English verb conjugation MUST BARBER

Regular verb: barber - barbered - barbered

Affirmation

Simple form

I must barber
you must barber
he must barber
we must barber
you must barber
they must barber

V-ing form

I must be barbering
you must be barbering
he must be barbering
we must be barbering
you must be barbering
they must be barbering

Perfect

I must have barbered
you must have barbered
he must have barbered
we must have barbered
you must have barbered
they must have barbered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I barber?
must you barber?
must he barber?
must we barber?
must you barber?
must they barber?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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