English verb conjugation COULD UNZIP

Regular verb: unzip - unziped - unziped

Affirmation

Simple form

I could unzip
you could unzip
he could unzip
we could unzip
you could unzip
they could unzip

V-ing form

I could be unziping
you could be unziping
he could be unziping
we could be unziping
you could be unziping
they could be unziping

Perfect

I could have unziped
you could have unziped
he could have unziped
we could have unziped
you could have unziped
they could have unziped

V-ing perfect

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

Negation

Simple form

I could not unzip
you could not unzip
he could not unzip
we could not unzip
you could not unzip
they could not unzip

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I unzip?
could you unzip?
could he unzip?
could we unzip?
could you unzip?
could they unzip?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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