forked from GitHub/comp-syntax-gu-mlt
38 lines
536 B
CFEngine3
38 lines
536 B
CFEngine3
-- a tiny context-free grammar for English
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-- subcategories with _ in them are an unscalable hack
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-- combination rules
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S ::= NP_subj_3 VP_3 | NP_subj VP | S Adv ;
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VP ::= V2 NP_obj ;
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VP_3 ::= V2_3 NP_obj ;
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NP_subj_3 ::= Det CN | Pron_subj_3 ;
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NP_subj ::= Pron_subj ;
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NP_obj ::= Det CN | Pron_obj ;
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CN ::= A N ;
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Adv ::= Subj S ;
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-- structural words
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Det ::= "the" ;
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Pron_subj ::= "we" ;
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Pron_obj ::= "us" ;
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Subj ::= "because" ;
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-- content words
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N ::= "cat" ;
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A ::= "black" ;
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V2_3 ::= "sees" ;
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V2 ::= "see" ;
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Adv ::= "now" ;
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