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 couldn't perforate
you couldn't perforate
she couldn't perforate
we couldn't perforate
you couldn't perforate
they couldn't perforate

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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