English verb conjugation COULD EXCHANGE

Regular verb: exchange - exchanged - exchanged

Affirmation

Simple form

I could exchange
you could exchange
he could exchange
we could exchange
you could exchange
they could exchange

V-ing form

I could be exchanging
you could be exchanging
he could be exchanging
we could be exchanging
you could be exchanging
they could be exchanging

Perfect

I could have exchanged
you could have exchanged
he could have exchanged
we could have exchanged
you could have exchanged
they could have exchanged

V-ing perfect

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

Negation

Simple form

I could not exchange
you could not exchange
he could not exchange
we could not exchange
you could not exchange
they could not exchange

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I exchange?
could you exchange?
could he exchange?
could we exchange?
could you exchange?
could they exchange?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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