English verb conjugation CAN MAINTAIN

Regular verb: maintain - maintained - maintained

Affirmation

Simple form

I can maintain
you can maintain
he can maintain
we can maintain
you can maintain
they can maintain

V-ing form

I can be maintaining
you can be maintaining
he can be maintaining
we can be maintaining
you can be maintaining
they can be maintaining

Perfect

I can have maintained
you can have maintained
he can have maintained
we can have maintained
you can have maintained
they can have maintained

V-ing perfect

I can have been maintaining
you can have been maintaining
he can have been maintaining
we can have been maintaining
you can have been maintaining
they can have been maintaining

Negation

Simple form

I can't maintain
you can't maintain
he can't maintain
we can't maintain
you can't maintain
they can't maintain

V-ing form

I can't be maintaining
you can't be maintaining
he can't be maintaining
we can't be maintaining
you can't be maintaining
they can't be maintaining

Perfect

I can't have maintained
you can't have maintained
he can't have maintained
we can't have maintained
you can't have maintained
they can't have maintained

V-ing perfect

I can't have been maintaining
you can't have been maintaining
he can't have been maintaining
we can't have been maintaining
you can't have been maintaining
they can't have been maintaining

Interrogative form

Simple form

can I maintain?
can you maintain?
can he maintain?
can we maintain?
can you maintain?
can they maintain?

V-ing form

can I be maintaining?
can you be maintaining?
can he be maintaining?
can we be maintaining?
can you be maintaining?
can they be maintaining?

Perfect

can I have maintained?
can you have maintained?
can he have maintained?
can we have maintained?
can you have maintained?
can they have maintained?

V-ing perfect

can I have been maintaining?
can you have been maintaining?
can he have been maintaining?
can we have been maintaining?
can you have been maintaining?
can they have been maintaining?

Interro-negative form

Simple form

can't I maintain?
can't you maintain?
can't he maintain?
can't we maintain?
can't you maintain?
can't they maintain?

V-ing form

can't I be maintaining?
can't you be maintaining?
can't he be maintaining?
can't we be maintaining?
can't you be maintaining?
can't they be maintaining?

Perfect

can't I have maintained?
can't you have maintained?
can't he have maintained?
can't we have maintained?
can't you have maintained?
can't they have maintained?

V-ing perfect

can't I have been maintaining?
can't you have been maintaining?
can't he have been maintaining?
can't we have been maintaining?
can't you have been maintaining?
can't they have been maintaining?

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