English verb conjugation CAN PREVENT

Regular verb: prevent - prevented - prevented

Affirmation

Simple form

I can prevent
you can prevent
he can prevent
we can prevent
you can prevent
they can prevent

V-ing form

I can be preventing
you can be preventing
he can be preventing
we can be preventing
you can be preventing
they can be preventing

Perfect

I can have prevented
you can have prevented
he can have prevented
we can have prevented
you can have prevented
they can have prevented

V-ing perfect

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

Negation

Simple form

I cannot prevent
you cannot prevent
he cannot prevent
we cannot prevent
you cannot prevent
they cannot prevent

V-ing form

I cannot be preventing
you cannot be preventing
he cannot be preventing
we cannot be preventing
you cannot be preventing
they cannot be preventing

Perfect

I cannot have prevented
you cannot have prevented
he cannot have prevented
we cannot have prevented
you cannot have prevented
they cannot have prevented

V-ing perfect

I cannot have been preventing
you cannot have been preventing
he cannot have been preventing
we cannot have been preventing
you cannot have been preventing
they cannot have been preventing

Interrogative form

Simple form

can I prevent?
can you prevent?
can he prevent?
can we prevent?
can you prevent?
can they prevent?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

can I not prevent?
can you not prevent?
can he not prevent?
can we not prevent?
can you not prevent?
can they not prevent?

V-ing form

can I not be preventing?
can you not be preventing?
can he not be preventing?
can we not be preventing?
can you not be preventing?
can they not be preventing?

Perfect

can I not have prevented?
can you not have prevented?
can he not have prevented?
can we not have prevented?
can you not have prevented?
can they not have prevented?

V-ing perfect

can I not have been preventing?
can you not have been preventing?
can he not have been preventing?
can we not have been preventing?
can you not have been preventing?
can they not have been preventing?

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