The Conjugator
English verb conjugation
COULD STOP

Regular verb: stop - stopped - stopped

Affirmation

Simple form

V-ing form

I could stop
you could stop
she could stop
we could stop
you could stop
they could stop
I could be stopping
you could be stopping
she could be stopping
we could be stopping
you could be stopping
they could be stopping

Perfect

V-ing perfect

I could have stopped
you could have stopped
she could have stopped
we could have stopped
you could have stopped
they could have stopped
I could have been stopping
you could have been stopping
she could have been stopping
we could have been stopping
you could have been stopping
they could have been stopping

Negation

Simple form

V-ing form

I couldn't stop
you couldn't stop
she couldn't stop
we couldn't stop
you couldn't stop
they couldn't stop
I couldn't be stopping
you couldn't be stopping
she couldn't be stopping
we couldn't be stopping
you couldn't be stopping
they couldn't be stopping

Perfect

V-ing perfect

I couldn't have stopped
you couldn't have stopped
she couldn't have stopped
we couldn't have stopped
you couldn't have stopped
they couldn't have stopped
I couldn't have been stopping
you couldn't have been stopping
she couldn't have been stopping
we couldn't have been stopping
you couldn't have been stopping
they couldn't have been stopping

Interrogative form

Simple form

V-ing form

could I stop?
could you stop?
could she stop?
could we stop?
could you stop?
could they stop?
could I be stopping?
could you be stopping?
could she be stopping?
could we be stopping?
could you be stopping?
could they be stopping?

Perfect

V-ing perfect

could I have stopped?
could you have stopped?
could she have stopped?
could we have stopped?
could you have stopped?
could they have stopped?
could I have been stopping?
could you have been stopping?
could she have been stopping?
could we have been stopping?
could you have been stopping?
could they have been stopping?

Interro-negative form

Simple form

V-ing form

couldn't I stop?
couldn't you stop?
couldn't she stop?
couldn't we stop?
couldn't you stop?
couldn't they stop?
couldn't I be stopping?
couldn't you be stopping?
couldn't she be stopping?
couldn't we be stopping?
couldn't you be stopping?
couldn't they be stopping?

Perfect

V-ing perfect

couldn't I have stopped?
couldn't you have stopped?
couldn't she have stopped?
couldn't we have stopped?
couldn't you have stopped?
couldn't they have stopped?
couldn't I have been stopping?
couldn't you have been stopping?
couldn't she have been stopping?
couldn't we have been stopping?
couldn't you have been stopping?
couldn't they have been stopping?