concrete AdverbSom of Adverb = CatSom ** open ResSom, ParamSom, Prelude in {

lin

  -- : A -> Adv ;
  --PositAdvAdj adj = { } ;

  -- : CAdv -> A -> NP -> Adv ; -- more warmly than John
  -- ComparAdvAdj cadv a np = { } ;

--    ComparAdvAdjS : CAdv -> A -> S  -> Adv ; -- more warmly than he runs

  -- : Prep -> NP -> Adv ;
  PrepNP prep np = {s = prep.s ! np.a ; s2 = np.s ! Abs} ; ---- ?

-- Adverbs can be modified by 'adadjectives', just like adjectives.

    --AdAdv  : AdA -> Adv -> Adv ;             -- very quickly
  AdAdv ada adv = adv ** { s = ada.s ++ adv.s } ;
-- Like adverbs, adadjectives can be produced by adjectives.

  -- : A -> AdA ;                 -- extremely
--  PositAdAAdj a = { } ;
-- Subordinate clauses can function as adverbs.

    --: Subj -> S -> Adv ;
--  SubjS subj s = {} ;

-- Comparison adverbs also work as numeral adverbs.

    --AdnCAdv : CAdv -> AdN ;                  -- less (than five)
    --AdnCAdv cadv = {s = } ;
} ;

{-
gt PrepNP in_Prep (DetCN (DetQuant DefArt ?) (UseN ?) | l -bind
gt PrepNP from_Prep (DetCN (DetQuant DefArt ?) (UseN ?)) | l -bind
-}