English verb conjugation COULD SLIP

Regular verb: slip - slipped - slipped

Affirmation

Simple form

I could slip
you could slip
she could slip
we could slip
you could slip
they could slip

V-ing form

I could be slipping
you could be slipping
she could be slipping
we could be slipping
you could be slipping
they could be slipping

Perfect

I could have slipped
you could have slipped
she could have slipped
we could have slipped
you could have slipped
they could have slipped

V-ing perfect

I could have been slipping
you could have been slipping
she could have been slipping
we could have been slipping
you could have been slipping
they could have been slipping

Negation

Simple form

I could not slip
you could not slip
she could not slip
we could not slip
you could not slip
they could not slip

V-ing form

I could not be slipping
you could not be slipping
she could not be slipping
we could not be slipping
you could not be slipping
they could not be slipping

Perfect

I could not have slipped
you could not have slipped
she could not have slipped
we could not have slipped
you could not have slipped
they could not have slipped

V-ing perfect

I could not have been slipping
you could not have been slipping
she could not have been slipping
we could not have been slipping
you could not have been slipping
they could not have been slipping

Interrogative form

Simple form

could I slip?
could you slip?
could she slip?
could we slip?
could you slip?
could they slip?

V-ing form

could I be slipping?
could you be slipping?
could she be slipping?
could we be slipping?
could you be slipping?
could they be slipping?

Perfect

could I have slipped?
could you have slipped?
could she have slipped?
could we have slipped?
could you have slipped?
could they have slipped?

V-ing perfect

could I have been slipping?
could you have been slipping?
could she have been slipping?
could we have been slipping?
could you have been slipping?
could they have been slipping?

Interro-negative form

Simple form

could I not slip?
could you not slip?
could she not slip?
could we not slip?
could you not slip?
could they not slip?

V-ing form

could I not be slipping?
could you not be slipping?
could she not be slipping?
could we not be slipping?
could you not be slipping?
could they not be slipping?

Perfect

could I not have slipped?
could you not have slipped?
could she not have slipped?
could we not have slipped?
could you not have slipped?
could they not have slipped?

V-ing perfect

could I not have been slipping?
could you not have been slipping?
could she not have been slipping?
could we not have been slipping?
could you not have been slipping?
could they not have been slipping?

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