predicative
  (a.)斷定性的,謂詞的,敘述的謂詞,表語
  Pred·i·ca·tive a.  Expressing affirmation or predication; affirming; predicating, as, a predicative term. -- Pred*i*ca*tive*ly, adv.
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  predicative
       adj : of adjectives; relating to or occurring within the predicate
             of a sentence; "`red' is a predicative adjective in
             `the apple is red'" [ant: attributive]