n.
1) to conjugate, inflect; passivize a ~
2) an auxiliary, helping; compound, phrasal; copular ( esp. BE ), copulative, linking; defective; irregular; main; modal; regular; strong; weak ~
3) an active; passive ~
4) an intransitive; reflexive; transitive ~
5) an imperfective; perfective ~
6) ~s agree (with); ~s govern, take a case (a ~ agrees with the subject in number)
7) a ~ has aspect; mood; tense; voice
8) ~s have complements; objects