English verb conjugation MUST AVER

Regular verb: aver - averred - averred

Affirmation

Simple form

I must aver
you must aver
he must aver
we must aver
you must aver
they must aver

V-ing form

I must be averring
you must be averring
he must be averring
we must be averring
you must be averring
they must be averring

Perfect

I must have averred
you must have averred
he must have averred
we must have averred
you must have averred
they must have averred

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I aver?
must you aver?
must he aver?
must we aver?
must you aver?
must they aver?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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