English verb conjugation MUST ZIPPER

Regular verb: zipper - zippered - zippered

Affirmation

Simple form

I must zipper
you must zipper
he must zipper
we must zipper
you must zipper
they must zipper

V-ing form

I must be zippering
you must be zippering
he must be zippering
we must be zippering
you must be zippering
they must be zippering

Perfect

I must have zippered
you must have zippered
he must have zippered
we must have zippered
you must have zippered
they must have zippered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I zipper?
must you zipper?
must he zipper?
must we zipper?
must you zipper?
must they zipper?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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