English verb conjugation COULD COMPLEMENT

Regular verb: complement - complemented - complemented

Affirmation

Simple form

I could complement
you could complement
he could complement
we could complement
you could complement
they could complement

V-ing form

I could be complementing
you could be complementing
he could be complementing
we could be complementing
you could be complementing
they could be complementing

Perfect

I could have complemented
you could have complemented
he could have complemented
we could have complemented
you could have complemented
they could have complemented

V-ing perfect

I could have been complementing
you could have been complementing
he could have been complementing
we could have been complementing
you could have been complementing
they could have been complementing

Negation

Simple form

I could not complement
you could not complement
he could not complement
we could not complement
you could not complement
they could not complement

V-ing form

I could not be complementing
you could not be complementing
he could not be complementing
we could not be complementing
you could not be complementing
they could not be complementing

Perfect

I could not have complemented
you could not have complemented
he could not have complemented
we could not have complemented
you could not have complemented
they could not have complemented

V-ing perfect

I could not have been complementing
you could not have been complementing
he could not have been complementing
we could not have been complementing
you could not have been complementing
they could not have been complementing

Interrogative form

Simple form

could I complement?
could you complement?
could he complement?
could we complement?
could you complement?
could they complement?

V-ing form

could I be complementing?
could you be complementing?
could he be complementing?
could we be complementing?
could you be complementing?
could they be complementing?

Perfect

could I have complemented?
could you have complemented?
could he have complemented?
could we have complemented?
could you have complemented?
could they have complemented?

V-ing perfect

could I have been complementing?
could you have been complementing?
could he have been complementing?
could we have been complementing?
could you have been complementing?
could they have been complementing?

Interro-negative form

Simple form

could I not complement?
could you not complement?
could he not complement?
could we not complement?
could you not complement?
could they not complement?

V-ing form

could I not be complementing?
could you not be complementing?
could he not be complementing?
could we not be complementing?
could you not be complementing?
could they not be complementing?

Perfect

could I not have complemented?
could you not have complemented?
could he not have complemented?
could we not have complemented?
could you not have complemented?
could they not have complemented?

V-ing perfect

could I not have been complementing?
could you not have been complementing?
could he not have been complementing?
could we not have been complementing?
could you not have been complementing?
could they not have been complementing?

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