English verb conjugation COULD STOP

Regular verb: stop - stopped - stopped

Affirmation

Simple form

I could stop
you could stop
he could stop
we could stop
you could stop
they could stop

V-ing form

I could be stopping
you could be stopping
he could be stopping
we could be stopping
you could be stopping
they could be stopping

Perfect

I could have stopped
you could have stopped
he could have stopped
we could have stopped
you could have stopped
they could have stopped

V-ing perfect

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

Negation

Simple form

I could not stop
you could not stop
he could not stop
we could not stop
you could not stop
they could not stop

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I stop?
could you stop?
could he stop?
could we stop?
could you stop?
could they stop?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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