English verb conjugation COULD PUNCTURE

Regular verb: puncture - punctured - punctured

Affirmation

Simple form

I could puncture
you could puncture
he could puncture
we could puncture
you could puncture
they could puncture

V-ing form

I could be puncturing
you could be puncturing
he could be puncturing
we could be puncturing
you could be puncturing
they could be puncturing

Perfect

I could have punctured
you could have punctured
he could have punctured
we could have punctured
you could have punctured
they could have punctured

V-ing perfect

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

Negation

Simple form

I could not puncture
you could not puncture
he could not puncture
we could not puncture
you could not puncture
they could not puncture

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I puncture?
could you puncture?
could he puncture?
could we puncture?
could you puncture?
could they puncture?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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