English verb conjugation MUST RETIGHTEN

Regular verb: retighten - retightened - retightened

Affirmation

Simple form

I must retighten
you must retighten
he must retighten
we must retighten
you must retighten
they must retighten

V-ing form

I must be retightening
you must be retightening
he must be retightening
we must be retightening
you must be retightening
they must be retightening

Perfect

I must have retightened
you must have retightened
he must have retightened
we must have retightened
you must have retightened
they must have retightened

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I retighten?
must you retighten?
must he retighten?
must we retighten?
must you retighten?
must they retighten?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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