English verb conjugation MUST BRIGHTEN

Regular verb: brighten - brightened - brightened

Affirmation

Simple form

I must brighten
you must brighten
he must brighten
we must brighten
you must brighten
they must brighten

V-ing form

I must be brightening
you must be brightening
he must be brightening
we must be brightening
you must be brightening
they must be brightening

Perfect

I must have brightened
you must have brightened
he must have brightened
we must have brightened
you must have brightened
they must have brightened

V-ing perfect

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

Negation

Simple form

I must not brighten
you must not brighten
he must not brighten
we must not brighten
you must not brighten
they must not brighten

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I brighten?
must you brighten?
must he brighten?
must we brighten?
must you brighten?
must they brighten?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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