English verb conjugation MUST GIBBER

Regular verb: gibber - gibbered - gibbered

Affirmation

Simple form

I must gibber
you must gibber
he must gibber
we must gibber
you must gibber
they must gibber

V-ing form

I must be gibbering
you must be gibbering
he must be gibbering
we must be gibbering
you must be gibbering
they must be gibbering

Perfect

I must have gibbered
you must have gibbered
he must have gibbered
we must have gibbered
you must have gibbered
they must have gibbered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I gibber?
must you gibber?
must he gibber?
must we gibber?
must you gibber?
must they gibber?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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