• Andrew managed to open the door.

    Implicative Verb: Andrew tried to open the door.

  • Dennis forgot to lock the door.

    Implicative Verb: Dennis ought to have locked, or intended to lock, the door.

Some further implicative predicates:

  • X happened to V

Implicative Verb: X didn’t plan or intend to V

  • X avoided V’ing

Implicative Verb: X was expected to, or usually did, or ought to V, etc