English verb conjugation OUGHT TO PROVE

Irregular verb: prove - proved - proven

Affirmation

Simple form

I ought to prove
you ought to prove
she ought to prove
we ought to prove
you ought to prove
they ought to prove

V-ing form

I ought to be proving
you ought to be proving
she ought to be proving
we ought to be proving
you ought to be proving
they ought to be proving

Perfect

I ought to have proven
you ought to have proven
she ought to have proven
we ought to have proven
you ought to have proven
they ought to have proven

V-ing perfect

I ought to have been proving
you ought to have been proving
she ought to have been proving
we ought to have been proving
you ought to have been proving
they ought to have been proving

Negation

Simple form

I oughtn't to prove
you oughtn't to prove
she oughtn't to prove
we oughtn't to prove
you oughtn't to prove
they oughtn't to prove

V-ing form

I oughtn't to be proving
you oughtn't to be proving
she oughtn't to be proving
we oughtn't to be proving
you oughtn't to be proving
they oughtn't to be proving

Perfect

I oughtn't to have proven
you oughtn't to have proven
she oughtn't to have proven
we oughtn't to have proven
you oughtn't to have proven
they oughtn't to have proven

V-ing perfect

I oughtn't to have been proving
you oughtn't to have been proving
she oughtn't to have been proving
we oughtn't to have been proving
you oughtn't to have been proving
they oughtn't to have been proving

Interrogative form

Simple form

ought to I prove?
ought to you prove?
ought to she prove?
ought to we prove?
ought to you prove?
ought to they prove?

V-ing form

ought to I be proving?
ought to you be proving?
ought to she be proving?
ought to we be proving?
ought to you be proving?
ought to they be proving?

Perfect

ought to I have proven?
ought to you have proven?
ought to she have proven?
ought to we have proven?
ought to you have proven?
ought to they have proven?

V-ing perfect

ought to I have been proving?
ought to you have been proving?
ought to she have been proving?
ought to we have been proving?
ought to you have been proving?
ought to they have been proving?

Interro-negative form

Simple form

oughtn't I to prove?
oughtn't you to prove?
oughtn't she to prove?
oughtn't we to prove?
oughtn't you to prove?
oughtn't they to prove?

V-ing form

oughtn't I to be proving?
oughtn't you to be proving?
oughtn't she to be proving?
oughtn't we to be proving?
oughtn't you to be proving?
oughtn't they to be proving?

Perfect

oughtn't I to have proven?
oughtn't you to have proven?
oughtn't she to have proven?
oughtn't we to have proven?
oughtn't you to have proven?
oughtn't they to have proven?

V-ing perfect

oughtn't I to have been proving?
oughtn't you to have been proving?
oughtn't she to have been proving?
oughtn't we to have been proving?
oughtn't you to have been proving?
oughtn't they to have been proving?

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