English verb conjugation COULD SLACK

Regular verb: slack - slacked - slacked

Affirmation

Simple form

I could slack
you could slack
she could slack
we could slack
you could slack
they could slack

V-ing form

I could be slacking
you could be slacking
she could be slacking
we could be slacking
you could be slacking
they could be slacking

Perfect

I could have slacked
you could have slacked
she could have slacked
we could have slacked
you could have slacked
they could have slacked

V-ing perfect

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

Negation

Simple form

I could not slack
you could not slack
she could not slack
we could not slack
you could not slack
they could not slack

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I slack?
could you slack?
could she slack?
could we slack?
could you slack?
could they slack?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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