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 must not pucker
you must not pucker
he must not pucker
we must not pucker
you must not pucker
they must not pucker

V-ing form

I must not be puckering
you must not be puckering
he must not be puckering
we must not be puckering
you must not be puckering
they must not be puckering

Perfect

I must not have puckered
you must not have puckered
he must not have puckered
we must not have puckered
you must not have puckered
they must not have puckered

V-ing perfect

I must not have been puckering
you must not have been puckering
he must not have been puckering
we must not have been puckering
you must not have been puckering
they must not 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

must I not pucker?
must you not pucker?
must he not pucker?
must we not pucker?
must you not pucker?
must they not pucker?

V-ing form

must I not be puckering?
must you not be puckering?
must he not be puckering?
must we not be puckering?
must you not be puckering?
must they not be puckering?

Perfect

must I not have puckered?
must you not have puckered?
must he not have puckered?
must we not have puckered?
must you not have puckered?
must they not have puckered?

V-ing perfect

must I not have been puckering?
must you not have been puckering?
must he not have been puckering?
must we not have been puckering?
must you not have been puckering?
must they not have been puckering?

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