English verb conjugation COULD TACK

Regular verb: tack - tacked - tacked

Affirmation

Simple form

I could tack
you could tack
she could tack
we could tack
you could tack
they could tack

V-ing form

I could be tacking
you could be tacking
she could be tacking
we could be tacking
you could be tacking
they could be tacking

Perfect

I could have tacked
you could have tacked
she could have tacked
we could have tacked
you could have tacked
they could have tacked

V-ing perfect

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

Negation

Simple form

I could not tack
you could not tack
she could not tack
we could not tack
you could not tack
they could not tack

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I tack?
could you tack?
could she tack?
could we tack?
could you tack?
could they tack?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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