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33 lines
1.0 KiB
HTML
33 lines
1.0 KiB
HTML
<html>
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<body>
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<i> Produced by
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gfdoc - a rudimentary GF document generator.
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(c) Aarne Ranta (aarne@cs.chalmers.se) 2002 under GNU GPL.
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</i>
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<p>
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<h1> Common: Structures with Common Implementations.</h1>
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This module defines the abstract parameters of tense, polarity, and
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anteriority, which are used in [``Phrase`` Phrase.html] to generate different
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forms of sentences. Together they give 4 x 2 x 2 = 16 sentence forms.
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These tenses are defined for all languages in the library. More tenses
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can be defined in the language extensions, e.g. the <i>passe simple</i> of
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Romance languages in [``ExtraRomance`` ../romance/ExtraRomance.gf].
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<pre>
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abstract Tense = Common ** {
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fun
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TTAnt : Tense -> Ant -> Temp ;
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PPos, PNeg : Pol ; -- I sleep/don't sleep
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TPres : Tense ;
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ASimul : Ant ;
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TPast, TFut, TCond : Tense ; -- I slept/will sleep/would sleep --# notpresent
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AAnter : Ant ; -- I have slept --# notpresent
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}
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</pre>
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</body>
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</html>
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