English verb conjugation COULD CALL

Regular verb: call - called - called

Affirmation

Simple form

I could call
you could call
he could call
we could call
you could call
they could call

V-ing form

I could be calling
you could be calling
he could be calling
we could be calling
you could be calling
they could be calling

Perfect

I could have called
you could have called
he could have called
we could have called
you could have called
they could have called

V-ing perfect

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

Negation

Simple form

I could not call
you could not call
he could not call
we could not call
you could not call
they could not call

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I call?
could you call?
could he call?
could we call?
could you call?
could they call?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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