English verb conjugation MAY CONTRIBUTE

Regular verb: contribute - contributed - contributed

Affirmation

Simple form

I may contribute
you may contribute
she may contribute
we may contribute
you may contribute
they may contribute

V-ing form

I may be contributing
you may be contributing
she may be contributing
we may be contributing
you may be contributing
they may be contributing

Perfect

I may have contributed
you may have contributed
she 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
she may have been contributing
we may have been contributing
you may have been contributing
they may have been contributing

Negation

Simple form

I mayn't contribute
you mayn't contribute
she mayn't contribute
we mayn't contribute
you mayn't contribute
they mayn't contribute

V-ing form

I mayn't be contributing
you mayn't be contributing
she mayn't be contributing
we mayn't be contributing
you mayn't be contributing
they mayn't be contributing

Perfect

I mayn't have contributed
you mayn't have contributed
she mayn't have contributed
we mayn't have contributed
you mayn't have contributed
they mayn't have contributed

V-ing perfect

I mayn't have been contributing
you mayn't have been contributing
she mayn't have been contributing
we mayn't have been contributing
you mayn't have been contributing
they mayn't have been contributing

Interrogative form

Simple form

may I contribute?
may you contribute?
may she contribute?
may we contribute?
may you contribute?
may they contribute?

V-ing form

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

Perfect

may I have contributed?
may you have contributed?
may she 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 she have been contributing?
may we have been contributing?
may you have been contributing?
may they have been contributing?

Interro-negative form

Simple form

mayn't I contribute?
mayn't you contribute?
mayn't she contribute?
mayn't we contribute?
mayn't you contribute?
mayn't they contribute?

V-ing form

mayn't I be contributing?
mayn't you be contributing?
mayn't she be contributing?
mayn't we be contributing?
mayn't you be contributing?
mayn't they be contributing?

Perfect

mayn't I have contributed?
mayn't you have contributed?
mayn't she have contributed?
mayn't we have contributed?
mayn't you have contributed?
mayn't they have contributed?

V-ing perfect

mayn't I have been contributing?
mayn't you have been contributing?
mayn't she have been contributing?
mayn't we have been contributing?
mayn't you have been contributing?
mayn't they have been contributing?

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