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 must not retighten
you must not retighten
he must not retighten
we must not retighten
you must not retighten
they must not retighten

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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