The Conjugator
English verb conjugation
COULD EXCHANGE

Regular verb: exchange - exchanged - exchanged

Affirmation

Simple form

V-ing form

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

V-ing 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
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

V-ing form

I couldn't exchange
you couldn't exchange
he couldn't exchange
we couldn't exchange
you couldn't exchange
they couldn't exchange
I couldn't be exchanging
you couldn't be exchanging
he couldn't be exchanging
we couldn't be exchanging
you couldn't be exchanging
they couldn't be exchanging

Perfect

V-ing perfect

I couldn't have exchanged
you couldn't have exchanged
he couldn't have exchanged
we couldn't have exchanged
you couldn't have exchanged
they couldn't have exchanged
I couldn't have been exchanging
you couldn't have been exchanging
he couldn't have been exchanging
we couldn't have been exchanging
you couldn't have been exchanging
they couldn't have been exchanging

Interrogative form

Simple form

V-ing form

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

V-ing 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?
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

V-ing form

couldn't I exchange?
couldn't you exchange?
couldn't he exchange?
couldn't we exchange?
couldn't you exchange?
couldn't they exchange?
couldn't I be exchanging?
couldn't you be exchanging?
couldn't he be exchanging?
couldn't we be exchanging?
couldn't you be exchanging?
couldn't they be exchanging?

Perfect

V-ing perfect

couldn't I have exchanged?
couldn't you have exchanged?
couldn't he have exchanged?
couldn't we have exchanged?
couldn't you have exchanged?
couldn't they have exchanged?
couldn't I have been exchanging?
couldn't you have been exchanging?
couldn't he have been exchanging?
couldn't we have been exchanging?
couldn't you have been exchanging?
couldn't they have been exchanging?