English verb conjugation MUST AVOUCH

Regular verb: avouch - avouched - avouched

Affirmation

Simple form

I must avouch
you must avouch
he must avouch
we must avouch
you must avouch
they must avouch

V-ing form

I must be avouching
you must be avouching
he must be avouching
we must be avouching
you must be avouching
they must be avouching

Perfect

I must have avouched
you must have avouched
he must have avouched
we must have avouched
you must have avouched
they must have avouched

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I avouch?
must you avouch?
must he avouch?
must we avouch?
must you avouch?
must they avouch?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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