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 mayn't contribute
you mayn't contribute
he 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
he 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
he 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
he 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 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

mayn't I contribute?
mayn't you contribute?
mayn't he 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 he 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 he 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 he 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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