English verb conjugation MUST PUCKER

Regular verb: pucker - puckered - puckered

Affirmation

Simple form

I must pucker
you must pucker
he must pucker
we must pucker
you must pucker
they must pucker

V-ing form

I must be puckering
you must be puckering
he must be puckering
we must be puckering
you must be puckering
they must be puckering

Perfect

I must have puckered
you must have puckered
he must have puckered
we must have puckered
you must have puckered
they must have puckered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I pucker?
must you pucker?
must he pucker?
must we pucker?
must you pucker?
must they pucker?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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