English verb conjugation CAN BRIGHTEN

Regular verb: brighten - brightened - brightened

Affirmation

Simple form

I can brighten
you can brighten
he can brighten
we can brighten
you can brighten
they can brighten

V-ing form

I can be brightening
you can be brightening
he can be brightening
we can be brightening
you can be brightening
they can be brightening

Perfect

I can have brightened
you can have brightened
he can have brightened
we can have brightened
you can have brightened
they can have brightened

V-ing perfect

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

Negation

Simple form

I cannot brighten
you cannot brighten
he cannot brighten
we cannot brighten
you cannot brighten
they cannot brighten

V-ing form

I cannot be brightening
you cannot be brightening
he cannot be brightening
we cannot be brightening
you cannot be brightening
they cannot be brightening

Perfect

I cannot have brightened
you cannot have brightened
he cannot have brightened
we cannot have brightened
you cannot have brightened
they cannot have brightened

V-ing perfect

I cannot have been brightening
you cannot have been brightening
he cannot have been brightening
we cannot have been brightening
you cannot have been brightening
they cannot have been brightening

Interrogative form

Simple form

can I brighten?
can you brighten?
can he brighten?
can we brighten?
can you brighten?
can they brighten?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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