English verb conjugation MUST PROVE

Irregular verb: prove - proved - proven

Affirmation

Simple form

I must prove
you must prove
he must prove
we must prove
you must prove
they must prove

V-ing form

I must be proving
you must be proving
he must be proving
we must be proving
you must be proving
they must be proving

Perfect

I must have proven
you must have proven
he must have proven
we must have proven
you must have proven
they must have proven

V-ing perfect

I must have been proving
you must have been proving
he must have been proving
we must have been proving
you must have been proving
they must have been proving

Negation

Simple form

I mustn't prove
you mustn't prove
he mustn't prove
we mustn't prove
you mustn't prove
they mustn't prove

V-ing form

I mustn't be proving
you mustn't be proving
he mustn't be proving
we mustn't be proving
you mustn't be proving
they mustn't be proving

Perfect

I mustn't have proven
you mustn't have proven
he mustn't have proven
we mustn't have proven
you mustn't have proven
they mustn't have proven

V-ing perfect

I mustn't have been proving
you mustn't have been proving
he mustn't have been proving
we mustn't have been proving
you mustn't have been proving
they mustn't have been proving

Interrogative form

Simple form

must I prove?
must you prove?
must he prove?
must we prove?
must you prove?
must they prove?

V-ing form

must I be proving?
must you be proving?
must he be proving?
must we be proving?
must you be proving?
must they be proving?

Perfect

must I have proven?
must you have proven?
must he have proven?
must we have proven?
must you have proven?
must they have proven?

V-ing perfect

must I have been proving?
must you have been proving?
must he have been proving?
must we have been proving?
must you have been proving?
must they have been proving?

Interro-negative form

Simple form

mustn't I prove?
mustn't you prove?
mustn't he prove?
mustn't we prove?
mustn't you prove?
mustn't they prove?

V-ing form

mustn't I be proving?
mustn't you be proving?
mustn't he be proving?
mustn't we be proving?
mustn't you be proving?
mustn't they be proving?

Perfect

mustn't I have proven?
mustn't you have proven?
mustn't he have proven?
mustn't we have proven?
mustn't you have proven?
mustn't they have proven?

V-ing perfect

mustn't I have been proving?
mustn't you have been proving?
mustn't he have been proving?
mustn't we have been proving?
mustn't you have been proving?
mustn't they have been proving?

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