English verb conjugation COULD ZIP

Regular verb: zip - zipped - zipped

Affirmation

Simple form

I could zip
you could zip
he could zip
we could zip
you could zip
they could zip

V-ing form

I could be zipping
you could be zipping
he could be zipping
we could be zipping
you could be zipping
they could be zipping

Perfect

I could have zipped
you could have zipped
he could have zipped
we could have zipped
you could have zipped
they could have zipped

V-ing perfect

I could have been zipping
you could have been zipping
he could have been zipping
we could have been zipping
you could have been zipping
they could have been zipping

Negation

Simple form

I could not zip
you could not zip
he could not zip
we could not zip
you could not zip
they could not zip

V-ing form

I could not be zipping
you could not be zipping
he could not be zipping
we could not be zipping
you could not be zipping
they could not be zipping

Perfect

I could not have zipped
you could not have zipped
he could not have zipped
we could not have zipped
you could not have zipped
they could not have zipped

V-ing perfect

I could not have been zipping
you could not have been zipping
he could not have been zipping
we could not have been zipping
you could not have been zipping
they could not have been zipping

Interrogative form

Simple form

could I zip?
could you zip?
could he zip?
could we zip?
could you zip?
could they zip?

V-ing form

could I be zipping?
could you be zipping?
could he be zipping?
could we be zipping?
could you be zipping?
could they be zipping?

Perfect

could I have zipped?
could you have zipped?
could he have zipped?
could we have zipped?
could you have zipped?
could they have zipped?

V-ing perfect

could I have been zipping?
could you have been zipping?
could he have been zipping?
could we have been zipping?
could you have been zipping?
could they have been zipping?

Interro-negative form

Simple form

could I not zip?
could you not zip?
could he not zip?
could we not zip?
could you not zip?
could they not zip?

V-ing form

could I not be zipping?
could you not be zipping?
could he not be zipping?
could we not be zipping?
could you not be zipping?
could they not be zipping?

Perfect

could I not have zipped?
could you not have zipped?
could he not have zipped?
could we not have zipped?
could you not have zipped?
could they not have zipped?

V-ing perfect

could I not have been zipping?
could you not have been zipping?
could he not have been zipping?
could we not have been zipping?
could you not have been zipping?
could they not have been zipping?

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