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gf-core/lib/resource/finnish/SyntaxFin.gf
2005-11-04 15:54:12 +00:00

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--# -path=.:../../prelude
--1 A Small Finnish Resource Syntax
--
-- Aarne Ranta 2003-2005
--
-- This resource grammar contains definitions needed to construct
-- indicative, interrogative, and imperative sentences in Finnish.
--
resource SyntaxFin = MorphoFin ** open Prelude, (CO = Coordination) in {
flags
---- optimize=noexpand ;
optimize=all ;
-- To glue a particle to the preceding word. The lexer and unlexer
-- are expected to deal with actual gluing and vowel harmony.
oper
glueParticle : Str -> Str -> Str = \word,part -> word ++ "&*" ++ part ;
--2 Common Nouns
--
-- Simple common nouns are defined as the type $CommNoun$ in $MorphoFin$.
--3 Common noun phrases
-- In Finnish, common noun phrases behave like simple common nouns, except that
-- we need a kind of a *gender* parameter telling if the noun is human or not.
-- This parameter regulates determiners such as "joku"/"jokin" ('some') and
-- "kuka"/"mikä" ('which').
--
-- A subtle reason forces us to distinguish the parameters of common noun phrases
-- from those of morphological common nouns: the parameter value $NPossNom$ is
-- syntactically applicable to each of $Sg Nom$, $Pl Nom$, $Sg Gen$. In morphology,
-- these forms are always the same ("autoni"), but with complex common nouns, we
-- have three different forms: "iso autoni", "isot autoni", "ison autoni".
oper
CommNoun = {s : NForm => Str ; g : Gender} ;
CommNounPhrase = {s : Bool => Number => Case => Str ; g : Gender} ;
emptyCommNounPhrase : CommNounPhrase = {s = \\_,_,_ => [] ; g = NonHuman} ;
noun2CommNounPhrase : CommNoun -> CommNounPhrase = \man ->
useCN man ** {g = man.g} ;
n2n = noun2CommNounPhrase ;
useCN : CommonNoun -> {s : Bool => Number => Case => Str} = \auto ->
{s = table {
True => \\n,c => case <n,c> of {
<_, Nom> => auto.s ! NPossNom ;
<Sg,Gen> => auto.s ! NPossNom ;
<Pl,Gen> => auto.s ! NPossGenPl ;
<_,Transl> => auto.s ! NPossTransl n ;
<_,Illat> => auto.s ! NPossIllat n ;
_ => auto.s ! NCase n c
} ;
False => \\n,c => auto.s ! NCase n c
}
} ;
cnNoHum : CommonNoun -> CommNoun = \cn -> cn ** {g = NonHuman} ;
cnHum : CommonNoun -> CommNoun = \cn -> cn ** {g = Human} ;
--2 Noun phrases
--
-- Two forms of *virtual accusative* are needed for nouns in singular,
-- the nominative and the genitive one ("ostan talon"/"osta talo").
-- For nouns in plural, only a nominative accusative exist. Pronouns
-- have a uniform, special accusative form ("minut", etc).
param
NPForm = NPCase Case | NPAccNom | NPAccGen ;
-- The *person* of a noun phrase is also special, to steer the use of
-- possessive suffixes. It expresses a distinction between pronominal and
-- non-pronominal noun phrases. The pronominal ones impose possessive suffixes
-- in genitival constructions ("minun taloni", "hänen talonsa"), the non-pronominal
-- ones don't ("Jussin talo"). As for verbal agreement, non-pronominal noun
-- phrases are third-person.
NPPerson = NP3 | NPP Person ;
oper
np2Person : NPPerson -> Person = \n -> case n of {
NP3 => P3 ;
NPP p => p
} ;
oper
npForm2Case : Number -> NPForm -> Case = \n,f -> case f of {
NPCase c => c ;
NPAccNom => Nom ;
NPAccGen => case n of {
Sg => Gen ;
Pl => Nom
}
} ;
npForm2PForm : NPForm -> PForm = \f -> case f of {
NPCase c => PCase c ;
_ => PAcc
} ;
NounPhrase : Type = {s : NPForm => Str ; n : Number ; p : NPPerson} ;
nameNounPhrase : ProperName -> NounPhrase = \jussi ->
{s = \\f => jussi.s ! npForm2Case Sg f ; n = Sg ; p = NP3} ;
impersNounPhrase : NounPhrase = nameNounPhrase {s = \\_ => []} ;
pronImpers = impersNounPhrase ;
singularNounPhrase : CommNounPhrase -> NounPhrase = \cn ->
{s = \\f => cn.s ! False ! Sg ! (npForm2Case Sg f) ; n = Sg ; p = NP3} ;
pluralNounPhrase : CommNounPhrase -> NounPhrase = \cn ->
{s = \\f => cn.s ! False ! Pl ! (npForm2Case Pl f) ; n = Pl ; p = NP3} ;
pronNounPhrase : Pronoun -> NounPhrase = \pron ->
{s = \\f => pron.s ! npForm2PForm f ; n = pron.n ; p = NPP pron.p} ;
pronNounPhraseNP : Pronoun -> NounPhrase = \pron ->
{s = table {
NPAccNom => pron.s ! PCase Nom ;
NPAccGen => pron.s ! PCase Gen ;
f => pron.s ! npForm2PForm f
} ;
n = pron.n ;
p = NP3
} ;
-- *Partitive noun phrases* use the partitive instead of the nominative
-- and accusative forms.
npForm2CasePart : NPForm -> Case = \f -> case f of {
NPCase Nom => Part ;
NPCase c => c ;
_ => Part
} ;
partNounPhrase : Number -> CommNounPhrase -> NounPhrase = \n, cn ->
{s = \\f => cn.s ! False ! n ! (npForm2CasePart f) ; n = n ; p = NP3} ;
Numeral : Type = {s : NPForm => Str ; isNum : Bool ; n : Number} ;
pronWithNum : Pronoun -> Numeral -> NounPhrase = \me,kaksi ->
let meihin = pronNounPhraseNP me
in
{s = \\c => meihin.s ! c ++ kaksi.s ! c ;
n = me.n ;
p = NPP me.p --- meidän kahden talo (*talomme)
} ;
noNum : Numeral = {s = \\_ => [] ; isNum = False ; n = Pl} ;
-- To add a symbol, such as a variable or variable list, to the end of
-- an NP.
addSymbNounPhrase : NounPhrase -> Str -> NounPhrase = \np,x ->
{s = \\c => np.s ! c ++ x ;
n = np.n ;
p = np.p
} ;
--2 Determiners
--
-- Most determiners are inflected like nouns. They have an inherent number
-- that is given to the noun that is being determined.
Determiner : Type = {s : Gender => Case => Str ; n : Number ; isNum : Bool} ;
DeterminerNum : Type = {s : Gender => Case => Str ; isNum : Bool} ;
detNounPhrase : Determiner -> CommNounPhrase -> NounPhrase = \joku, mies ->
{s = \\f => let {c = npForm2Case joku.n f} in
joku.s ! mies.g ! c ++
mkCaseNum joku.isNum joku.n c (mies.s ! False) ;
n = joku.n ;
p = NP3
} ;
numDetNounPhrase : DeterminerNum -> Numeral -> CommNounPhrase -> NounPhrase =
\joku, viisi, mies ->
{s = \\f => let {c = npForm2Case Pl f} in
joku.s ! mies.g ! c ++ viisi.s ! NPCase c ++
mkCaseNum joku.isNum Pl c (mies.s ! False) ;
n = Pl ;
p = NP3
} ;
mkCaseNum : Bool -> Number -> Case -> (Number => Case => Str) -> Str =
\isNum, n, c, mies ->
case <isNum,c> of {
<True,Nom> => mies ! Sg ! Part ; -- kolme miestä
<True,_> => mies ! Sg ! c ; -- kolmelle miehelle
_ => mies ! n ! c
} ;
mkDeterminerGen : Number -> (_,_ : Case => Str) -> Determiner = \n,mika,kuka ->
{s = table {
NonHuman => mika ;
Human => kuka
} ;
n = n ;
isNum = False
} ;
mkDeterminer : Number -> (Case => Str) -> Determiner = \n,kaikki ->
mkDeterminerGen n kaikki kaikki ;
mkDeterminerNum : (Case => Str) -> DeterminerNum =
mkDeterminer Pl ;
mkDeterminerGenNum : (_,_ : Case => Str) -> DeterminerNum =
mkDeterminerGen Pl ;
jokainenDet = mkDeterminer Sg (caseTable Sg (nhn (sNainen "jokaista"))) ;
kaikkiDet : DeterminerNum = mkDeterminerNum (kaikkiPron Pl) ;
useimmatDet = mkDeterminer Pl (caseTable Pl (nhn (sSuurin "useinta"))) ;
mikaDet = mkDeterminerGen Sg (mikaInt ! Sg) (kukaInt ! Sg) ;
mitkaDet : DeterminerNum =
mkDeterminerGenNum (mikaInt ! Pl) (kukaInt ! Pl) ;
indefNounPhrase : Number -> CommNounPhrase -> NounPhrase = \n,mies ->
case n of {
Sg => singularNounPhrase mies ; -- mies
Pl => partNounPhrase plural mies -- miehiä
} ;
-- The definite and indefinite numeral phrases differ in case, and a numeral
-- creates partitive for the nominative.
nounPhraseNum : Bool -> Numeral -> CommNounPhrase -> NounPhrase =
\isDef,n,mies ->
case n.isNum of {
True => {
s = case n.n of {
Sg => table {
NPCase Nom => n.s ! NPCase Nom ++ mies.s ! False ! Sg ! Nom ;
c => n.s ! c ++ mies.s ! False ! Sg ! npForm2Case Sg c
} ;
_ => table {
NPAccGen => n.s ! NPCase Nom ++ mies.s ! False ! Sg ! Part ;
NPCase Nom => n.s ! NPCase Nom ++ mies.s ! False ! Sg ! Part ;
c => n.s ! c ++ mies.s ! False ! Sg ! npForm2Case Sg c
}
} ;
n = if_then_else Number isDef Pl Sg ;
p = NP3
} ;
_ => if_then_else NounPhrase isDef
(pluralNounPhrase mies)
(partNounPhrase plural mies)
} ;
defNounPhrase : Number -> CommNounPhrase -> NounPhrase = \n,mies ->
case n of {
Sg => singularNounPhrase mies ;
Pl => pluralNounPhrase mies
} ;
-- Genitives of noun phrases can be used like determiners, to build noun phrases.
-- The number argument makes the difference between "Jussin talo" - "Jussin talot".
-- The NP person of the 'owner' decides if there is a possessive suffix.
npGenDet : Number -> NounPhrase -> CommNounPhrase -> NounPhrase = \n,jussi,talo ->
{s = \\c => jussi.s ! NPCase Gen ++
ifPossSuffix talo jussi.p n (npForm2Case n c) ;
n = n ;
p = NP3
} ;
npGenDetNum : Numeral -> NounPhrase -> CommNounPhrase -> NounPhrase =
\viisi,jussi,talo ->
{s = \\c => jussi.s ! NPCase Gen ++ viisi.s ! c ++
ifPossSuffix talo jussi.p Pl (
case viisi.isNum of {
True => Part ;
_ => npForm2Case Pl c
}
) ;
n = Pl ;
p = NP3
} ;
ifPossSuffix : CommNounPhrase -> NPPerson -> Number -> Case -> Str =
\talo,np,n,c -> case np of {
NP3 => talo.s ! False ! n ! c ;
NPP p => glueParticle (talo.s ! True ! n ! c) (possSuffix ! n ! p)
} ;
-- *Bare plural noun phrases*, like "koivut" in "koivut ovat valkoisia",
-- are similar to definite plurals.
plurDet : CommNounPhrase -> NounPhrase = pluralNounPhrase ;
-- Constructions like "huomio että kaksi on parillinen" are formed at the
-- first place as common nouns, so that one can also have
-- "kaikki ehdotukset että...".
nounThatSentence : CommNounPhrase -> Sentence -> CommNounPhrase = \idea,x ->
{s = \\p,n,c => idea.s ! p ! n ! c ++ "että" ++ x.s ;
g = idea.g
} ;
-- The existential structure is simple.
onNounPhrase : NounPhrase -> Sentence = \kaljaa ->
ss (kaljaa.s ! NPCase Nom ++ "on") ;
--2 Adjectives
--
-- Adjectival phrases are used either as attributes or in predicative position.
-- In the attributive position, all cases occur; in the predicative position, only
-- the nominative, partitive, translative, and essive - but we ignore this
-- restriction for simplicity. The important thing with the parameter is to
-- regulate the word order of complex adjectival phrases: cf. predicative
-- "(kuusi on) jaollinen kolmella" vs. attributive "kolmella jaollinen (luku)".
-- In comparatives, the whole construction is affected: "suurempi kuin kolme"
-- vs. "kolmea suurempi". (Actually, in the predicative position, the two
-- are in free variation, the distinguished one being the normal choice:
-- "kuusi on kolmella jaollinen" is possible, but not quite neutral.)
param
AdjPos = APred | AAttr ;
oper
AdjPhrase : Type = {s : AdjPos => AForm => Str} ;
adj2adjPhrase : Adjective -> AdjPhrase = \uusi ->
{s = \\_ => uusi.s} ;
--3 Comparison adjectives
--
-- Each of the comparison forms has a characteristic use:
--
-- Positive forms are used alone, as adjectival phrases ("iso").
positAdjPhrase : AdjDegr -> AdjPhrase = \iso ->
adj2adjPhrase {s = iso.s ! Pos} ;
-- Comparative forms are used with an object of comparison, as
-- adjectival phrases ("isompi kuin te"/"teitä isompi").
comparAdjPhrase : AdjDegr -> NounPhrase -> AdjPhrase = \iso, te ->
{s = let {teitaisompi : AForm => Str =
\\a => te.s ! NPCase Part ++ iso.s ! Comp ! a} in
table {
APred => variants {
\\a => iso.s ! Comp ! a ++ kuinConj ++ te.s ! NPCase Nom ;
teitaisompi
} ;
AAttr => teitaisompi
}
} ;
-- Superlative forms are used with a modified noun, picking out the
-- maximal representative of a domain ("isoin talo").
superlNounPhrase : AdjDegr -> CommNounPhrase -> NounPhrase = \iso,talo ->
{s = \\np => let {c = npForm2Case Sg np} in
iso.s ! Sup ! AN (NCase Sg c) ++ talo.s ! False ! Sg ! c ;
n = Sg ;
p = NP3
} ;
superlAdjPhrase : AdjDegr -> AdjPhrase = \iso ->
{s = \\_,a => iso.s ! Sup ! a ;
} ;
--3 Two-place adjectives
--
-- A two-place adjective is an adjective with a case used after (or before)
-- the complement. The case can be the genitival accusative, which is different
-- in the singular and the plural ("rajan ylittävä"/"rajat ylittävä").
-- The order of the adjective and its argument depends on the case: the local
-- cases favour Adj + Noun in the predicative position ("hyvä painissa",
-- "tyytyväinen vaalitulokseen", "jaollinen kolmella"), which is not a possible
-- order for the accusative case. A preposition seems not to affect
-- the rule: "yhtäsuuri kuin sinä", "sinua vastaan suunnattu".
AdjCompl = Adjective ** {s3 : Str ; p : Bool ; c : ComplCase} ;
complAdj : AdjCompl -> NounPhrase -> AdjPhrase = \hyva,paini ->
let
hyvat : AForm => Str = \\a => hyva.s ! a ;
c : NPForm = complCase True hyva.c (SVI VIInf3Iness) ;
painissa : Str = pPosit hyva.s3 hyva.p (paini.s ! c) ;
haspp : Bool = notB hyva.p
in
{s = table {
AAttr => \\a => painissa ++ hyvat ! a ;
APred => \\a => if_then_else Str
(orB (isLocalNPForm c) haspp)
(hyvat ! a ++ painissa)
(painissa ++ hyvat ! a)
}
} ;
isLocalNPForm : NPForm -> Bool = \c -> case c of {
NPCase Iness => True ;
NPCase Elat => True ;
NPCase Illat => True ;
NPCase Adess => True ;
NPCase Ablat => True ;
NPCase Allat => True ;
_ => False
} ;
--3 Modification of common nouns
--
-- The two main functions of adjective are in predication ("Jussi on iso")
-- and in modification ("iso mies"). Predication will be defined
-- later, in the chapter on verbs.
--
-- Modification uses the attributive form of an adjectival phrase.
-- The adjective always comes before the noun. The possessive suffix is
-- given to the noun.
modCommNounPhrase : AdjPhrase -> CommNounPhrase -> CommNounPhrase = \iso,mies ->
{s = \\p,n,c => iso.s ! AAttr ! AN (NCase n c) ++ mies.s ! p ! n ! c ;
g = mies.g
} ;
--2 Function expressions
-- A function expression is a common noun together with the
-- case taken by its argument ("x'n vaimo").
-- The type is analogous to two-place adjectives and transitive verbs;
-- but here the genitive is by far the commonest case. The possessive suffix
-- is then needed with pronominal arguments.
Function = CommNounPhrase ** {c : NPForm} ;
-- The application of a function gives, in the first place, a common noun:
-- "Jussi vaimo/vaimot". From this, other rules of the resource grammar
-- give noun phrases, such as "Jussi vaimo", "Jussin vaimot",
-- "Jussin ja Marin äidit", and "Jussin ja Marin äiti" (the
-- latter two corresponding to distributive and collective functions,
-- respectively). Semantics will eventually tell when each
-- of the readings is meaningful.
appFunComm : Function -> NounPhrase -> CommNounPhrase = \vaimo, jussi ->
{s = \\p,n,c => case vaimo.c of {
NPCase Gen => jussi.s ! NPCase Gen ++
ifPossSuffix vaimo jussi.p n c ;
h => vaimo.s ! False ! n ! c ++ jussi.s ! h
} ;
g = vaimo.g
} ;
-- Notice the switched word order in other cases than the genitive, e.g.
-- "veli Jussille".
--
-- It is possible to use a function word as a common noun; the semantics is
-- often existential or indexical.
funAsCommNounPhrase : Function -> CommNounPhrase = \x -> x ;
-- The following is an aggregate corresponding to function application
-- producing "John's mother" and "the mother of John". It does not appear in the
-- resource grammar API as a primitive.
appFun : Bool -> Function -> NounPhrase -> NounPhrase = \coll, vaimo,jussi ->
let {n = jussi.n ; nf = if_then_else Number coll Sg n} in
npGenDet nf jussi vaimo ;
-- The commonest case is functions with the genitive case.
funGen : CommNounPhrase -> Function = \vaimo ->
vaimo ** {c = NPCase Gen} ;
-- Two-place functions add one argument place.
Function2 = Function ** {c2 : NPForm} ;
-- There application starts by filling the first place.
appFun2 : Function2 -> NounPhrase -> Function = \juna, turku ->
{s = \\p,n,c => juna.s ! False ! n ! c ++ turku.s ! juna.c ;
g = juna.g ;
c = juna.c2
} ;
--2 Verbs
--
--3 Verb phrases
--
-- In Finnish, verbs can have nominative subjects, but there are
-- also verbs with a special subject case ("täytyy").
Verb1 : Type = Verb ** {sc : Case} ;
vCase : Verb -> Case -> Verb1 = \v,c -> v ** {sc = c} ;
vNom : Verb -> Verb1 = \v -> vCase v Nom ;
-- These are parameters for clauses and sentences.
param
Tense = Present | Past | Future | Conditional ;
Anteriority = Simul | Anter ;
SForm = VFinite Tense Anteriority ;
SType = SDecl | SQuest ;
VIForm =
VIInfinit
| VIImperat
| VIInf3Iness
| VIInf3Elat
| VIInf3Illat
| VIInf3Adess
| VIInf3Abess ;
-- This is an auxiliary.
SVIForm = SCl SForm | SVI VIForm ;
oper
Clause : Type = {s : SType * Bool * SForm => Str} ;
VerbPhraseInf : Type = {s : VIForm => Number => Str ; sc : Case} ;
VerbClauseInf : Type = {s : Bool => Anteriority => VIForm => Number => Str ; sc : Case} ;
Sats : Type = Clause ;
sats2clause : Sats -> Clause = \sats -> sats ;
questPart : Str -> Str = \s -> glueParticle s "ko" ; --- "kö"
-- This is for questions with $IP$, thus with normal word order and no "ko".
sats2quest : Sats -> QuestClause = \sats ->
{s = \\bsf => sats.s ! <SDecl, bsf.p1, bsf.p2>} ;
-- This is a nice and natural hack with higher-order functions, for $ClauseFin$.
sats2rel : (Number -> Sats) -> RelClause = \fsats ->
{s = \\b,sf,n => (fsats n).s ! <SDecl,b,sf>} ;
mkSatsRel : RelPron -> Verb1 -> Number -> Sats = \rel,verb,n ->
mkSats (relNounPhrase n rel) verb ;
mkSats : NounPhrase -> Verb1 -> Sats = \subj,verb -> {s =
\\stbsf =>
let
sc = verb.sc ;
np = case sc of {
Nom => <subj.n, np2Person subj.p> ;
_ => <Sg, P3>
} ;
nsu = np.p1 ;
psu = np.p2 ;
su = subj.s ! NPCase sc ;
vs : VAuxForm => Str = \\f => verb.s ! verbAuxForm f ;
olla = verbAuxOlla ;
fei : Number -> Person -> Str = \n,p -> verbAuxNegEi ! APres n p ;
at : Number -> Person -> Tense -> VAuxForm = \n,p,t -> case t of {
Past => AImpf n p ;
Conditional => ACond n p ;
_ => ANF (APres n p) ---- inc. Present, Future
} ;
nat : Number -> Tense -> VAuxForm = \n,t -> case t of {
Past => APastPart n ;
Conditional => ACond Sg P3 ;
_ => ANF (AImper Sg)
} ;
pverb : Number -> Str = \n -> vs ! APastPart n ;
fininf : Number => Person => Str = \\n,p =>
case stbsf of {
<SDecl,True, VFinite t Simul> => su ++ vs ! (at n p t) ;
<_,True, VFinite t Simul> => questPart (vs ! (at n p t)) ++ su ;
<SDecl,False, VFinite t Simul> => su ++ fei n p ++ vs ! (nat n t) ;
<_,False, VFinite t Simul> => questPart (fei n p) ++ su ++ vs ! (nat n t) ;
<SDecl,True, VFinite t Anter> => su ++ olla ! (at n p t) ++ pverb n ;
<_,True, VFinite t Anter> => questPart (olla ! (at n p t)) ++ su ++ pverb n ;
<SDecl,False, VFinite t Anter> => su ++ fei n p ++ olla ! (nat n t) ++ pverb n ;
<_,False, VFinite t Anter> =>
questPart (fei n p) ++ su ++ olla ! (nat n t) ++ pverb n
} ;
in
fininf ! nsu ! psu
} ;
mkSatsObject : NounPhrase -> TransVerb -> NounPhrase -> Sats = \subj,verb,obj ->
insertObject (mkSats subj verb) verb.c verb.s3 verb.p obj ;
mkSatsObjectRel : RelPron -> TransVerb -> NounPhrase -> Number -> Sats =
\subj,verb,obj,n ->
insertObject (mkSatsRel subj verb n) verb.c verb.s3 verb.p obj ;
mkSatsCopula : NounPhrase -> Str -> Sats = \subj,comp ->
insertComplement (mkSats subj (vNom verbOlla)) comp ;
mkSatsCopulaRel : RelPron -> Str -> Number -> Sats = \subj,comp,n ->
insertComplement (mkSatsRel subj (vNom verbOlla) n) comp ;
insertObject : Sats -> ComplCase -> Str -> Bool -> NounPhrase -> Sats =
\sats, c, prep, pos, obj -> {s =
\\stbsf =>
sats.s ! stbsf ++
pPosit prep pos (obj.s ! complCase stbsf.p2 c (SCl stbsf.p3))
} ;
insertComplement : Sats -> Str -> Sats =
\sats, comp -> {s =
\\stbsf =>
sats.s ! stbsf ++
comp
} ;
-- This is for infinitive clauses, $VCl$.
mkClauseInf : Verb1 -> VerbClauseInf = \verb -> {
s = \\b,ant,i,n =>
let
part = verb.s ! PastPartAct (AN (NCase n Nom)) ;
vi = case i of {
VIInfinit => Inf ;
VIImperat => Imper n ;
VIInf3Iness => Inf3Iness ;
VIInf3Elat => Inf3Elat ;
VIInf3Illat => Inf3Illat ;
VIInf3Adess => Inf3Adess ;
VIInf3Abess => Inf3Abess
}
in
case <b,ant,i,n> of {
<False,Simul,VIImperat,Sg> => "älä" ++ verb.s ! Imper Sg ;
<False,Simul,VIImperat,Pl> => "älkää" ++ verb.s ! ImpNegPl ;
<True, Simul,_,_> => verb.s ! vi ;
<False,Simul,_,_> => verbOlla.s ! vi ++ verb.s ! Inf3Abess ;
<False,Anter,VIImperat,Sg> => "älä" ++ "ole" ++ part ;
<False,Anter,VIImperat,Pl> => "älkää" ++ "olko" ++ part ;
<True, Anter,_,_> => verbOlla.s ! vi ++ part ;
<False,Anter,_,_> => verbOlla.s ! vi ++ "olematta" ++ part
} ;
sc = verb.sc
} ;
insertObjectInf :
VerbClauseInf -> ComplCase -> Str -> Bool -> NounPhrase -> VerbClauseInf =
\sats, c, prep, pos, obj -> {s =
\\b,a,i,n =>
sats.s ! b ! a ! i ! n ++
pPosit prep pos (obj.s ! complCase b c (SVI i)) ;
sc = sats.sc
} ;
insertComplementInf : VerbClauseInf -> Str -> VerbClauseInf =
\sats, comp -> {s =
\\b,a,i,n =>
sats.s ! b ! a ! i ! n ++
comp ;
sc = sats.sc
} ;
complCase : Bool -> ComplCase -> SVIForm -> NPForm = \b,c,v -> case c of {
CCase k => case <k,b> of {
<Nom,False> => NPCase Part ;
_ => NPCase k
} ;
CAcc => case b of {
True => case v of {
SCl _ => NPAccGen ;
_ => NPAccNom
} ;
_ => NPCase Part
}
} ;
--- these are the only forms needed in auxiliary positions.
param
VAuxForm =
ANF VAuxNegForm
| AImpf Number Person
| ACond Number Person
| AInf
| APastPart Number
| AImpNegPl
| AInf3Illat
| AInf3Abess
;
VAuxNegForm =
APres Number Person
| AImper Number
| AImperP3 Number
| AImperP1Pl
;
oper
verbAuxNegEi : VAuxNegForm => Str = \\f => verbEi.s ! verbAuxNegForm f ;
verbAuxOlla : VAuxForm => Str = \\f => verbOlla.s ! verbAuxForm f ;
verbAuxNegTulla : VAuxNegForm => Str = \\f =>
(v2v (vJuosta "tulla" "tulen" "tullut" "tultu")).s ! verbAuxNegForm f ;
verbAuxForm : VAuxForm -> VForm = \f -> case f of {
ANF a => verbAuxNegForm a ;
AImpf n p => Impf n p ;
ACond n p => Cond n p ;
AInf => Inf ;
APastPart n => PastPartAct (AN (NCase n Nom)) ;
AImpNegPl => ImpNegPl ;
AInf3Illat => Inf3Illat ;
AInf3Abess => Inf3Abess
} ;
verbAuxNegForm : VAuxNegForm -> VForm = \f -> case f of {
APres n p => Pres n p ;
AImper n => Imper n ;
AImperP3 n => ImperP3 n ;
AImperP1Pl => ImperP1Pl
} ;
-- Verb phrases are discontinuous: the two parts of a verb phrase are
-- (s) an inflected verb, (s2) a complement.
-- For instance: "on" - "kaunis" ; "ei" - "ole kaunis" ; "sisältää" - "rikkiä".
-- Moreover, a subject case is needed, because of passive and 'have' verb
-- phrases ("minä uin" ; "minut valitaan" ; "minua odotetaan" ; "minulla on jano").
oper
-- The normal subject case is the nominative.
-- From the inflection table, we select the finite form as function
-- of person and number:
indicVerb : Verb -> Person -> Number -> Str = \v,p,n ->
v.s ! Pres n p ;
-- A simple verb can be made into a verb phrase with an empty complement, e.g.
-- "ui" - [].
-- There are two versions, depending on if we want to negate the verb.
-- In the negated form, the negative verb "ei" becomes the verb, and the
-- complement is a special infinite form of the verb (usually similar to the
-- 2nd person singular imperative): "ei" - "ui".
--
-- N.B. negation is *not* a function applicable to a verb phrase, since
-- double negations with "ei" are not grammatical.
-- (N.B. local definitions workaround for poor type inference in GF 1.2).
-- Sometimes we want to extract the verb part of a verb phrase. Not strictly
-- necessary since this is a consequence of record subtyping.
-- Verb phrases can also be formed from adjectives ("on vanha"),
-- common nouns ("on mies"), and noun phrases ("on Jussi").
-- The third rule is overgenerating: "on jokainen mies" has to be ruled out
-- on semantic grounds.
--
-- For adjectives and common nouns, notice the case difference in the complement
-- depending on number: "on kaunis" - "ovat kauniita". We ignore the forms
-- "on kaunista", used with mass terms, and "ovat kauniit", used in
-- constructions of the "plurale tantum" kind. The adjective rule can be defined
-- in terms of the common noun rule.
complCommNoun : Number -> CommNounPhrase -> Str = \n,mies ->
case n of {
Sg => mies.s ! False ! Sg ! Nom ;
Pl => mies.s ! False ! Pl ! Part
} ;
complAdjPhrase : Number -> AdjPhrase -> Str = \n,hieno ->
case n of {
Sg => hieno.s ! APred ! AN (NCase Sg Nom) ;
Pl => hieno.s ! APred ! AN (NCase Pl Part)
} ;
--3 Transitive verbs
--
-- Transitive verbs are verbs with a case and, possibly, a preposition
-- or a postposition for the complement ($True$ = preposition),
-- in analogy with two-place adjectives and functions.
-- One might prefer to use the term "2-place verb", since
-- "transitive" traditionally means that the inherent preposition is empty.
-- Such a verb is one with a *direct object*.
param
ComplCase = CCase Case | CAcc ;
oper
TransVerb : Type = Verb1 ** {s3 : Str ; p : Bool ; c : ComplCase} ;
pPosit : Str -> Bool -> Str -> Str = \p,b,s ->
if_then_Str b (p ++ s) (s ++ p) ;
-- The rule for using transitive verbs is the complementization rule.
--
-- N.B. One or both of the pre- and postposition are empty.
-- N.B. If the case is accusative, it becomes partitive in negated verb phrases.
-- The choice between the nominative and genitive accusatives depends on the verb
-- form.
complementCase : Bool -> ComplCase -> VForm -> NPForm = \b,c,v -> case c of {
CCase k => NPCase k ;
CAcc => case b of {
True => case v of {
Pres _ _ | Impf _ _ | PastPartAct _ => NPAccGen ;
ImpNegPl | Pass False => NPCase Part ;
_ => NPAccNom -- Inf | Imper _ | PastPartPass _
} ;
_ => NPCase Part
}
} ;
-- Verbs that take their object with a case other than the accusative,
-- without pre- or postposition:
mkTransVerbCase : Verb1 -> Case -> TransVerb = \nauraa,c ->
nauraa ** {s3 = [] ; p = True ; c = CCase c} ;
-- Verbs that take direct object with the accusative:
mkTransVerbDir : Verb1 -> TransVerb = \ostaa ->
ostaa ** {s3 = [] ; p = True ; c = CAcc} ;
{-
-- Most two-place verbs can be used passively; the object case need not be
-- the accusative, and it becomes the subject case in the passive sentence.
passTransVerb : TransVerb -> VerbGroup = \tavata ->
{s = \\b,_ => if_then_else Str b (tavata.s ! Pass b) "ei" ;
s2 = \\b,_ => if_then_else Str b [] (tavata.s ! Pass b) ;
c = tavata.c
} ;
-- The API function does not demand that the verb is two-place.
-- Therefore, we can only give it the accusative case, as default.
passVerb : Verb -> VerbGroup = \uida ->
passTransVerb (mkTransVerbDir uida) ;
-}
-- Transitive verbs can be used elliptically as verbs. The semantics
-- is left to applications. The definition is trivial, due to record
-- subtyping.
transAsVerb : TransVerb -> Verb1 = \juoda ->
juoda ;
-- The 'real' Finnish passive is unpersonal, equivalent to the
-- "man" construction in German. It is formed by inflecting the
-- bare verb phrase in passive, and putting the complement before
-- the verb ("auttaa minua" - "minua autetaan").
-- *Ditransitive verbs* are verbs with three argument places.
-- We treat so far only the rule in which the ditransitive
-- verb takes both complements to form a verb phrase.
DitransVerb = TransVerb ** {s5 : Str ; p2 : Bool ; c2 : ComplCase} ;
--2 Adverbials
--
-- Adverbials are not inflected (we ignore comparison, and treat
-- compared adverbials as separate expressions; this could be done another way).
Adverb : Type = SS ;
-- This rule adds the adverbial as a prefix or a suffix to the complement,
-- in free variation.
{-
adVerbPhrase : VerbPhrase -> Adverb -> VerbPhrase = \laulaa, hyvin ->
{s = laulaa.s ;
s2 = \\v => bothWays (laulaa.s2 ! v) hyvin.s ;
c = laulaa.c
} ;
-}
advAdjPhrase : Adverb -> AdjPhrase -> AdjPhrase = \liian, iso ->
{s = \\p,a => liian.s ++ iso.s ! p ! a
} ;
-- Adverbials are typically generated by case, prepositions, or postpositions.
Preposition : Type = {s : Str ; c : Case ; isPrep : Bool} ;
prepPrep : Str -> Case -> Preposition = \ennen,gen ->
{s = ennen ; c = gen ; isPrep = True} ;
prepPostp : Str -> Case -> Preposition = \takana,gen ->
{s = takana ; c = gen ; isPrep = False} ;
prepPostpGen : Str -> Preposition = \takana ->
prepPostp takana Gen ;
prepCase : Case -> Preposition = \iness ->
{s = [] ; c = iness ; isPrep = False} ;
prepPhrase : Preposition -> NounPhrase -> Adverb = \takana, talo ->
let talon = talo.s ! NPCase takana.c
in ss (if_then_Str takana.isPrep (takana.s ++ talon) (talon ++ takana.s)) ;
-- This is a source of the "mann with a telescope" ambiguity, and may produce
-- strange things, like "autot aina" (while "autot tänään" is OK).
-- Semantics will have to make finer distinctions among adverbials.
advCommNounPhrase : CommNounPhrase -> Adverb -> CommNounPhrase = \auto,nyt ->
{s = \\b,n,c => auto.s ! b ! n ! c ++ nyt.s ;
g = auto.g
} ;
--2 Sentences
--
-- Sentences are not inflected in this fragment of Finnish without tense.
Sentence : Type = SS ;
-- This is the traditional $S -> NP VP$ rule. It takes care of
-- agreement between subject and verb. Recall that the VP may already
-- contain negation.
--3 Sentence-complement verbs
--
-- Sentence-complement verbs take sentences as complements.
SentenceVerb : Type = Verb1 ;
-- To generate "sanoo että Jussi ui" / "ei sano että Jussi ui"
embedConj : Str = "," ++ "että" ;
--3 Verb-complement verbs
--
-- Verb-complement verbs take verb phrases as complements.
VerbVerb : Type = Verb1 ** {i : VIForm} ;
{-
complVerbVerb : VerbVerb -> VerbGroup -> VerbGroup = \haluta, uida ->
let
hc = haluta.c ;
haluan = case hc of {
CCase Nom => predVerb haluta ;
_ => predVerb {s = table {
Imper Sg => haluta.s ! Imper Sg ;
ImpNegPl => haluta.s ! ImpNegPl ;
_ => haluta.s ! Pres Sg P3
}
}
}
in {
s = haluan.s ;
s2 = \\b,v => haluan.s2 ! b ! v ++ uida.s ! True ! Inf ++
uida.s2 ! True ! Inf ;
c = hc
} ;
-}
--2 Sentences missing noun phrases
--
-- This is one instance of Gazdar's *slash categories*, corresponding to his
-- $S/NP$.
-- We cannot have - nor would we want to have - a productive slash-category former.
-- Perhaps a handful more will be needed.
--
-- Notice that the slash category has a similar relation to sentences as
-- transitive verbs have to verbs: it's like a *sentence taking a complement*.
--
-- Interestingly, the distinction between prepositions and postpositions
-- neutralizes: even prepositions are attached after relative and interrogative
-- pronouns: "jota ennen" cf. "ennen talvea". Otherwise, the category and
-- the rules are very similar to transitive verbs. Notice that the case gets
-- fixed by the Boolean parameter and the subject, when the slash is
-- used: "talo jonka ostin - talo jota en ostanut" ;
-- "talo joka minulla on - talo jota minulla ei ole".
SentenceSlashNounPhrase = QuestClause ** {s2 : Str ; c : ComplCase} ;
slashTransVerbCl : NounPhrase -> TransVerb -> SentenceSlashNounPhrase =
\jussi,ostaa -> {
s = \\p => (sats2clause (mkSats jussi ostaa)).s ! <SDecl,p.p1,p.p2> ;
s2 = ostaa.s3 ;
c = ostaa.c
} ;
--2 Relative pronouns and relative clauses
--
-- As described in $types.Fin.gf$, relative pronouns are inflected like
-- common nouns, in number and case.
--
-- We get the simple relative pronoun "joka" from $morpho.Fin.gf$.
identRelPron : RelPron = relPron ;
funRelPron : Function -> RelPron -> RelPron = \vaimo, joka ->
{s = \\n,c => joka.s ! n ! npForm2Case n vaimo.c ++ vaimo.s ! False ! n ! c} ;
-- To use a relative pronoun as a noun phrase.
relNounPhrase : Number -> RelPron -> NounPhrase = \n,rel ->
{s = \\f => rel.s ! n ! npForm2Case n f ; n = n ; p = NP3} ;
-- Relative clauses can be formed from both verb phrases ("joka ui") and
-- slash expressions ("jonka sinä näet", "jonka kautta sinä käyt").
RelClause : Type = {s : Bool => SForm => Number => Str} ;
RelSentence : Type = {s : Number => Str} ;
{-
relVerbPhrase : RelPron -> VerbPhrase -> RelClause = \joka,ui ->
{s = \\n => joka.s ! n ! npForm2Case n (complementCase True ui.c Inf) ++
ui.s ! Pres n P3 ++ ui.s2 ! Pres n P3} ;
-}
relSlash : RelPron -> SentenceSlashNounPhrase -> RelClause = \joka,tapaat ->
{s = \\b,sf,n =>
joka.s ! n ! npForm2Case n (complCase b tapaat.c (SCl sf)) ++ tapaat.s2 ++
tapaat.s ! <b,sf>
} ;
-- A 'degenerate' relative clause is the one often used in mathematics, e.g.
-- "luku x siten että x on parillinen".
relSuch : Clause -> RelClause = \A ->
{s = \\b,s,_ => advSiten ++ conjEtta ++ A.s ! <SDecl,b,s>} ;
-- N.B. the construction "sellainen että" is not possible with the present
-- typing of the relative clause, since it should also be inflected in
-- case. Ordinary relative clauses have a fixed case.
--
-- The main use of relative clauses is to modify common nouns.
-- The result is a common noun, out of which noun phrases can be formed
-- by determiners. We use no comma before these relative clauses, even though
-- conservative standard Finnish does.
modRelClause : CommNounPhrase -> RelSentence -> CommNounPhrase = \mies,jokaui ->
{s = \\b,n,c => mies.s ! b ! n ! c ++ jokaui.s ! n ;
g = mies.g
} ;
-- N.B: the possessive suffix, if attached here, comes to wrong place! Solution:
-- make $CommNounPhrase$ discontinuos.
--2 Interrogative pronouns
--
-- If relative pronouns are like common nouns (and adjectives),
-- interrogative pronouns are like noun phrases, having a fixed number.
-- They also need to handle an NP-like accusative case. But person is
-- not needed, since it is uniformly $NP3$.
IntPron : Type = {s : NPForm => Str ; n : Number} ;
-- Thus it is simple to make $IP $ into $NP$ (used as auxiliary in predication).
intNounPhrase : IntPron -> NounPhrase = \ip -> ip ** {p = NP3} ;
-- In analogy with relative pronouns, we have a rule for applying a function
-- to a relative pronoun to create a new one.
funIntPron : Function -> IntPron -> IntPron = \vaimo,kuka ->
{s = \\c => kuka.s ! vaimo.c ++
vaimo.s ! False ! kuka.n ! npForm2Case kuka.n c ;
n = kuka.n
} ;
-- There is a variety of simple interrogative pronouns:
-- "mikä talo" / "kuka mies", "kuka", "mikä". The construction with a noun
-- is the reason why nouns in Finnish need a gender.
nounIntPron : Number -> CommNounPhrase -> IntPron = \n, talo ->
{s = \\c => let {nc = npForm2Case n c} in
mikakukaInt ! talo.g ! n ! nc ++ talo.s ! False ! n ! nc ;
n = n
} ;
intPronWho : Number -> IntPron = \num -> {
s = \\c => mikakukaInt ! Human ! num ! (npForm2Case num c) ;
n = num
} ;
intPronWhat : Number -> IntPron = \num -> {
s = \\c => mikakukaInt ! NonHuman ! num ! (npForm2Case num c) ;
n = num
} ;
--2 Utterances
-- By utterances we mean complete phrases, such as
-- 'can be used as moves in a language game': indicatives, questions, imperative,
-- and one-word utterances. The rules are far from complete.
--
-- N.B. we have not included rules for texts, which we find we cannot say much
-- about on this level. In semantically rich GF grammars, texts, dialogues, etc,
-- will of course play an important role as categories not reducible to utterances.
-- An example is proof texts, whose semantics show a dependence between premises
-- and conclusions. Another example is intersentential anaphora.
Utterance = SS ;
indicUtt : Sentence -> Utterance = \x -> ss (x.s ++ stopPunct) ;
interrogUtt : Question -> Utterance = \x -> ss (x.s ++ questPunct) ;
--2 Questions
--
-- Questions are either direct or indirect, but the forms in Finnish are
-- always identical. So we don't need a $QuestForm$ parameter as in other languages.
oper
Question = SS ;
QuestClause = {s : Bool * SForm => Str} ;
--3 Yes-no questions
--
-- Yes-no questions are formed by inversed predication, with the clitic "ko" / "kö"
-- particle attached to the verb part of the verb phrase.
onkoNounPhrase : NounPhrase -> Question = \kaljaa ->
ss ("onko" ++ kaljaa.s ! NPCase Nom) ;
--3 Wh-questions
--
-- Wh-questions are of two kinds: ones that are like $NP - VP$ sentences
-- ("kuka ui?") others that are line $S/NP - NP$ sentences ("kenet sinä tapaat?").
-- intVerbPhrase : IntPron -> VerbPhrase -> Question = \kuka,ui ->
-- predVerbPhrase (kuka ** {p = NP3}) ui ;
intSlash : IntPron -> SentenceSlashNounPhrase -> QuestClause = \kuka,tapaat ->
{s = \\bsf =>
kuka.s ! complCase bsf.p1 tapaat.c (SCl bsf.p2) ++ tapaat.s2 ++
tapaat.s ! bsf
} ;
--3 Interrogative adverbials
--
-- These adverbials will be defined in the lexicon: they include
-- "koska", "missä", "kuinka", "miksi", etc, which are all invariant one-word
-- expressions. In addition, they can be formed by adding cases and postpositions
-- to interrogative pronouns, in the same way as adverbials are formed
-- from noun phrases; notice that even prepositions are used as postpositions
-- when attached to interrogative pronouns.
IntAdverb = SS ;
prepIntAdverb : Str -> Case -> IntPron -> IntAdverb = \ennen,c,kuka ->
ss (kuka.s ! NPCase c ++ ennen) ;
-- A question adverbial can be applied to anything, and whether this makes
-- sense is a semantic question. The syntax is very simple: just prefix the
-- adverbial to the predication.
questAdverbial : IntAdverb -> Clause -> QuestClause =
\miksi, cl ->
{s = \\bsf => miksi.s ++ cl.s ! <SDecl, bsf.p1, bsf.p2>
} ;
--2 Imperatives
--
-- We only consider second-person imperatives.
Imperative = SS1 Number ;
imperVerbPhrase : Bool -> VerbClauseInf -> Imperative = \b,ui ->
{s = ui.s ! b ! Simul ! VIImperat} ;
imperUtterance : Number -> Imperative -> Utterance = \n,I ->
ss (I.s ! n ++ exclPunct) ;
--2 Sentence adverbials
--
-- This class covers adverbials such as "muuten", "siksi", which are prefixed
-- to a sentence to form a phrase.
advSentence : Adverb -> Sentence -> Utterance = \siksi,sataa ->
ss (siksi.s ++ sataa.s ++ ".") ;
--2 Coordination
--
-- Coordination is to some extent orthogonal to the rest of syntax, and
-- has been treated in a generic way in the module $CO$ in the file
-- $coordination.gf$. The overall structure is independent of category,
-- but there can be differences in parameter dependencies.
--
--3 Conjunctions
--
-- Coordinated phrases are built by using conjunctions, which are either
-- simple ("ja", "tai") or distributed ("sekä - että", "joko - tai").
--
-- The conjunction has an inherent number, which is used when conjoining
-- noun phrases: "Jussi ja Mari ovat..." vs. "Jussi tai Mari on..."; in the
-- case of "tai", the result is however plural if any of the disjuncts is.
Conjunction = CO.Conjunction ** {n : Number} ;
ConjunctionDistr = CO.ConjunctionDistr ** {n : Number} ;
--3 Coordinating sentences
--
-- We need a category of lists of sentences. It is a discontinuous
-- category, the parts corresponding to 'init' and 'last' segments
-- (rather than 'head' and 'tail', because we have to keep track of the slot between
-- the last two elements of the list). A list has at least two elements.
ListSentence : Type = SD2 ;
twoSentence : (_,_ : Sentence) -> ListSentence = CO.twoSS ;
consSentence : ListSentence -> Sentence -> ListSentence =
CO.consSS CO.comma ;
-- To coordinate a list of sentences by a simple conjunction, we place
-- it between the last two elements; commas are put in the other slots,
-- e.g. "du rauchst, er trinkt und ich esse".
conjunctSentence : Conjunction -> ListSentence -> Sentence = \c,xs ->
ss (CO.conjunctX c xs) ;
-- To coordinate a list of sentences by a distributed conjunction, we place
-- the first part (e.g. "either") in front of the first element, the second
-- part ("or") between the last two elements, and commas in the other slots.
-- For sentences this is really not used.
conjunctDistrSentence : ConjunctionDistr -> ListSentence -> Sentence =
\c,xs ->
ss (CO.conjunctDistrX c xs) ;
--3 Coordinating adjective phrases
--
-- The structure is the same as for sentences. Parameters are passed to components.
ListAdjPhrase : Type =
{s1,s2 : AdjPos => AForm => Str} ;
twoAdjPhrase : (_,_ : AdjPhrase) -> ListAdjPhrase = \x,y ->
CO.twoTable2 AdjPos AForm x y ;
consAdjPhrase : ListAdjPhrase -> AdjPhrase -> ListAdjPhrase = \xs,x ->
CO.consTable2 AdjPos AForm CO.comma xs x ;
conjunctAdjPhrase : Conjunction -> ListAdjPhrase -> AdjPhrase = \c,xs ->
CO.conjunctTable2 AdjPos AForm c xs ;
conjunctDistrAdjPhrase : ConjunctionDistr -> ListAdjPhrase -> AdjPhrase = \c,xs ->
CO.conjunctDistrTable2 AdjPos AForm c xs ;
--3 Coordinating noun phrases
--
-- The structure is the same as for sentences. The result is either always plural
-- or plural if any of the components is, depending on the conjunction.
ListNounPhrase : Type = {s1,s2 : NPForm => Str ; n : Number ; p : NPPerson} ;
twoNounPhrase : (_,_ : NounPhrase) -> ListNounPhrase = \x,y ->
CO.twoTable NPForm x y ** {n = conjNumber x.n y.n ; p = conjPerson x.p y.p} ;
consNounPhrase : ListNounPhrase -> NounPhrase -> ListNounPhrase = \xs,x ->
CO.consTable NPForm CO.comma xs x **
{n = conjNumber xs.n x.n ; p = conjPerson xs.p x.p} ;
conjunctNounPhrase : Conjunction -> ListNounPhrase -> NounPhrase = \c,xs ->
CO.conjunctTable NPForm c xs ** {n = conjNumber c.n xs.n ; p = xs.p} ;
conjunctDistrNounPhrase : ConjunctionDistr -> ListNounPhrase -> NounPhrase =
\c,xs ->
CO.conjunctDistrTable NPForm c xs ** {n = conjNumber c.n xs.n ; p = xs.p} ;
-- We have to define a calculus of numbers of persons. For numbers,
-- it is like the conjunction with $Pl$ corresponding to $False$.
conjNumber : Number -> Number -> Number = \m,n -> case <m,n> of {
<Sg,Sg> => Sg ;
_ => Pl
} ;
-- For persons, we let the latter argument win ("either you or I am absent"
-- but "either I or you are absent"). This is not quite clear.
conjPerson : NPPerson -> NPPerson -> NPPerson = \_,p ->
p ;
--2 Subjunction
--
-- Subjunctions ("kun", "jos", etc)
-- are a different way to combine sentences than conjunctions.
-- The main clause can be a sentences, an imperatives, or a question,
-- but the subjoined clause must be a sentence.
--
-- There are uniformly two variant word orders, e.g.
-- "jos poltat minä suutun"
-- and "minä suutun jos poltat".
Subjunction = SS ;
subjunctSentence : Subjunction -> Sentence -> Sentence -> Sentence =
\if, A, B ->
ss (subjunctVariants if A.s B.s) ;
subjunctImperative : Subjunction -> Sentence -> Imperative -> Imperative =
\if, A, B ->
{s = \\n => subjunctVariants if A.s (B.s ! n)} ;
subjunctQuestion : Subjunction -> Sentence -> Question -> Question =
\if, A, B ->
{s = subjunctVariants if A.s B.s} ;
subjunctVariants : Subjunction -> Str -> Str -> Str = \if,A,B ->
variants {if.s ++ A ++ commaPunct ++ B ; B ++ commaPunct ++ if.s ++ A} ;
{-
subjunctVerbPhrase : VerbPhrase -> Subjunction -> Sentence -> VerbPhrase =
\V, if, A ->
adVerbPhrase V (ss (if.s ++ A.s)) ;
-}
--2 One-word utterances
--
-- An utterance can consist of one phrase of almost any category,
-- the limiting case being one-word utterances. These
-- utterances are often (but not always) in what can be called the
-- default form of a category, e.g. the nominative.
-- This list is far from exhaustive.
useNounPhrase : NounPhrase -> Utterance = \john ->
postfixSS stopPunct (defaultNounPhrase john) ;
useCommonNounPhrase : Number -> CommNounPhrase -> Utterance = \n,car ->
useNounPhrase (indefNounPhrase n car) ;
-- Here are some default forms.
defaultNounPhrase : NounPhrase -> SS = \john ->
ss (john.s ! NPCase Nom) ;
defaultQuestion : Question -> SS = \whoareyou ->
whoareyou ;
defaultSentence : Sentence -> Utterance = \x ->
x ;
} ;