English verb conjugation MAY CONTRIBUTE

Regular verb: contribute - contributed - contributed

Affirmation

Simple form

I may contribute
you may contribute
he may contribute
we may contribute
you may contribute
they may contribute

V-ing form

I may be contributing
you may be contributing
he may be contributing
we may be contributing
you may be contributing
they may be contributing

Perfect

I may have contributed
you may have contributed
he may have contributed
we may have contributed
you may have contributed
they may have contributed

V-ing perfect

I may have been contributing
you may have been contributing
he may have been contributing
we may have been contributing
you may have been contributing
they may have been contributing

Negation

Simple form

I may not contribute
you may not contribute
he may not contribute
we may not contribute
you may not contribute
they may not contribute

V-ing form

I may not be contributing
you may not be contributing
he may not be contributing
we may not be contributing
you may not be contributing
they may not be contributing

Perfect

I may not have contributed
you may not have contributed
he may not have contributed
we may not have contributed
you may not have contributed
they may not have contributed

V-ing perfect

I may not have been contributing
you may not have been contributing
he may not have been contributing
we may not have been contributing
you may not have been contributing
they may not have been contributing

Interrogative form

Simple form

may I contribute?
may you contribute?
may he contribute?
may we contribute?
may you contribute?
may they contribute?

V-ing form

may I be contributing?
may you be contributing?
may he be contributing?
may we be contributing?
may you be contributing?
may they be contributing?

Perfect

may I have contributed?
may you have contributed?
may he have contributed?
may we have contributed?
may you have contributed?
may they have contributed?

V-ing perfect

may I have been contributing?
may you have been contributing?
may he have been contributing?
may we have been contributing?
may you have been contributing?
may they have been contributing?

Interro-negative form

Simple form

may I not contribute?
may you not contribute?
may he not contribute?
may we not contribute?
may you not contribute?
may they not contribute?

V-ing form

may I not be contributing?
may you not be contributing?
may he not be contributing?
may we not be contributing?
may you not be contributing?
may they not be contributing?

Perfect

may I not have contributed?
may you not have contributed?
may he not have contributed?
may we not have contributed?
may you not have contributed?
may they not have contributed?

V-ing perfect

may I not have been contributing?
may you not have been contributing?
may he not have been contributing?
may we not have been contributing?
may you not have been contributing?
may they not have been contributing?

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