English verb conjugation COULD CIRCULATE

Regular verb: circulate - circulated - circulated

Affirmation

Simple form

I could circulate
you could circulate
he could circulate
we could circulate
you could circulate
they could circulate

V-ing form

I could be circulating
you could be circulating
he could be circulating
we could be circulating
you could be circulating
they could be circulating

Perfect

I could have circulated
you could have circulated
he could have circulated
we could have circulated
you could have circulated
they could have circulated

V-ing perfect

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

Negation

Simple form

I couldn't circulate
you couldn't circulate
he couldn't circulate
we couldn't circulate
you couldn't circulate
they couldn't circulate

V-ing form

I couldn't be circulating
you couldn't be circulating
he couldn't be circulating
we couldn't be circulating
you couldn't be circulating
they couldn't be circulating

Perfect

I couldn't have circulated
you couldn't have circulated
he couldn't have circulated
we couldn't have circulated
you couldn't have circulated
they couldn't have circulated

V-ing perfect

I couldn't have been circulating
you couldn't have been circulating
he couldn't have been circulating
we couldn't have been circulating
you couldn't have been circulating
they couldn't have been circulating

Interrogative form

Simple form

could I circulate?
could you circulate?
could he circulate?
could we circulate?
could you circulate?
could they circulate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

couldn't I circulate?
couldn't you circulate?
couldn't he circulate?
couldn't we circulate?
couldn't you circulate?
couldn't they circulate?

V-ing form

couldn't I be circulating?
couldn't you be circulating?
couldn't he be circulating?
couldn't we be circulating?
couldn't you be circulating?
couldn't they be circulating?

Perfect

couldn't I have circulated?
couldn't you have circulated?
couldn't he have circulated?
couldn't we have circulated?
couldn't you have circulated?
couldn't they have circulated?

V-ing perfect

couldn't I have been circulating?
couldn't you have been circulating?
couldn't he have been circulating?
couldn't we have been circulating?
couldn't you have been circulating?
couldn't they have been circulating?

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