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male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation COULD PERFORATE

Regular verb: perforate - perforated - perforated


Affirmation

Simple form
I could perforate
you could perforate
she could perforate
we could perforate
you could perforate
they could perforate
V-ing form
I could be perforating
you could be perforating
she could be perforating
we could be perforating
you could be perforating
they could be perforating
Perfect
I could have perforated
you could have perforated
she could have perforated
we could have perforated
you could have perforated
they could have perforated
V-ing perfect
I could have been perforating
you could have been perforating
she could have been perforating
we could have been perforating
you could have been perforating
they could have been perforating

Negation

Simple form
I could not perforate
you could not perforate
she could not perforate
we could not perforate
you could not perforate
they could not perforate
V-ing form
I could not be perforating
you could not be perforating
she could not be perforating
we could not be perforating
you could not be perforating
they could not be perforating
Perfect
I could not have perforated
you could not have perforated
she could not have perforated
we could not have perforated
you could not have perforated
they could not have perforated
V-ing perfect
I could not have been perforating
you could not have been perforating
she could not have been perforating
we could not have been perforating
you could not have been perforating
they could not have been perforating

Interrogative form

Simple form
could I perforate?
could you perforate?
could she perforate?
could we perforate?
could you perforate?
could they perforate?
V-ing form
could I be perforating?
could you be perforating?
could she be perforating?
could we be perforating?
could you be perforating?
could they be perforating?
Perfect
could I have perforated?
could you have perforated?
could she have perforated?
could we have perforated?
could you have perforated?
could they have perforated?
V-ing perfect
could I have been perforating?
could you have been perforating?
could she have been perforating?
could we have been perforating?
could you have been perforating?
could they have been perforating?

Interro-negative form

Simple form
could I not perforate?
could you not perforate?
could she not perforate?
could we not perforate?
could you not perforate?
could they not perforate?
V-ing form
could I not be perforating?
could you not be perforating?
could she not be perforating?
could we not be perforating?
could you not be perforating?
could they not be perforating?
Perfect
could I not have perforated?
could you not have perforated?
could she not have perforated?
could we not have perforated?
could you not have perforated?
could they not have perforated?
V-ing perfect
could I not have been perforating?
could you not have been perforating?
could she not have been perforating?
could we not have been perforating?
could you not have been perforating?
could they not have been perforating?