English verb conjugation COULD JACK

Regular verb: jack - jacked - jacked

Affirmation

Simple form

I could jack
you could jack
she could jack
we could jack
you could jack
they could jack

V-ing form

I could be jacking
you could be jacking
she could be jacking
we could be jacking
you could be jacking
they could be jacking

Perfect

I could have jacked
you could have jacked
she could have jacked
we could have jacked
you could have jacked
they could have jacked

V-ing perfect

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

Negation

Simple form

I couldn't jack
you couldn't jack
she couldn't jack
we couldn't jack
you couldn't jack
they couldn't jack

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I jack?
could you jack?
could she jack?
could we jack?
could you jack?
could they jack?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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