English verb conjugation MUST JACK

Regular verb: jack - jacked - jacked

Affirmation

Simple form

I must jack
you must jack
he must jack
we must jack
you must jack
they must jack

V-ing form

I must be jacking
you must be jacking
he must be jacking
we must be jacking
you must be jacking
they must be jacking

Perfect

I must have jacked
you must have jacked
he must have jacked
we must have jacked
you must have jacked
they must have jacked

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I jack?
must you jack?
must he jack?
must we jack?
must you jack?
must they jack?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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