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 couldn't slack
you couldn't slack
she couldn't slack
we couldn't slack
you couldn't slack
they couldn't slack

V-ing form

I couldn't be slacking
you couldn't be slacking
she couldn't be slacking
we couldn't be slacking
you couldn't be slacking
they couldn't be slacking

Perfect

I couldn't have slacked
you couldn't have slacked
she couldn't have slacked
we couldn't have slacked
you couldn't have slacked
they couldn't have slacked

V-ing perfect

I couldn't have been slacking
you couldn't have been slacking
she couldn't have been slacking
we couldn't have been slacking
you couldn't have been slacking
they couldn't 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

couldn't I slack?
couldn't you slack?
couldn't she slack?
couldn't we slack?
couldn't you slack?
couldn't they slack?

V-ing form

couldn't I be slacking?
couldn't you be slacking?
couldn't she be slacking?
couldn't we be slacking?
couldn't you be slacking?
couldn't they be slacking?

Perfect

couldn't I have slacked?
couldn't you have slacked?
couldn't she have slacked?
couldn't we have slacked?
couldn't you have slacked?
couldn't they have slacked?

V-ing perfect

couldn't I have been slacking?
couldn't you have been slacking?
couldn't she have been slacking?
couldn't we have been slacking?
couldn't you have been slacking?
couldn't they have been slacking?

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