English verb conjugation OUGHT TO PREVENT

Regular verb: prevent - prevented - prevented

Affirmation

Simple form

I ought to prevent
you ought to prevent
he ought to prevent
we ought to prevent
you ought to prevent
they ought to prevent

V-ing form

I ought to be preventing
you ought to be preventing
he ought to be preventing
we ought to be preventing
you ought to be preventing
they ought to be preventing

Perfect

I ought to have prevented
you ought to have prevented
he ought to have prevented
we ought to have prevented
you ought to have prevented
they ought to have prevented

V-ing perfect

I ought to have been preventing
you ought to have been preventing
he ought to have been preventing
we ought to have been preventing
you ought to have been preventing
they ought to have been preventing

Negation

Simple form

I ought not to prevent
you ought not to prevent
he ought not to prevent
we ought not to prevent
you ought not to prevent
they ought not to prevent

V-ing form

I ought not to preventing
you ought not to preventing
he ought not to preventing
we ought not to preventing
you ought not to preventing
they ought not to preventing

Perfect

I ought not to have prevented
you ought not to have prevented
he ought not to have prevented
we ought not to have prevented
you ought not to have prevented
they ought not to have prevented

V-ing perfect

I ought not to have been preventing
you ought not to have been preventing
he ought not to have been preventing
we ought not to have been preventing
you ought not to have been preventing
they ought not to have been preventing

Interrogative form

Simple form

ought to I prevent?
ought to you prevent?
ought to he prevent?
ought to we prevent?
ought to you prevent?
ought to they prevent?

V-ing form

ought to I be preventing?
ought to you be preventing?
ought to he be preventing?
ought to we be preventing?
ought to you be preventing?
ought to they be preventing?

Perfect

ought to I have prevented?
ought to you have prevented?
ought to he have prevented?
ought to we have prevented?
ought to you have prevented?
ought to they have prevented?

V-ing perfect

ought to I have been preventing?
ought to you have been preventing?
ought to he have been preventing?
ought to we have been preventing?
ought to you have been preventing?
ought to they have been preventing?

Interro-negative form

Simple form

ought I not to prevent?
ought you not to prevent?
ought he not to prevent?
ought we not to prevent?
ought you not to prevent?
ought they not to prevent?

V-ing form

ought I not to be preventing?
ought you not to be preventing?
ought he not to be preventing?
ought we not to be preventing?
ought you not to be preventing?
ought they not to be preventing?

Perfect

ought I not to have prevented?
ought you not to have prevented?
ought he not to have prevented?
ought we not to have prevented?
ought you not to have prevented?
ought they not to have prevented?

V-ing perfect

ought I not to have been preventing?
ought you not to have been preventing?
ought he not to have been preventing?
ought we not to have been preventing?
ought you not to have been preventing?
ought they not to have been preventing?

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