English verb conjugation COULD PIN

Regular verb: pin - pinned - pinned

Affirmation

Simple form

I could pin
you could pin
he could pin
we could pin
you could pin
they could pin

V-ing form

I could be pinning
you could be pinning
he could be pinning
we could be pinning
you could be pinning
they could be pinning

Perfect

I could have pinned
you could have pinned
he could have pinned
we could have pinned
you could have pinned
they could have pinned

V-ing perfect

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

Negation

Simple form

I could not pin
you could not pin
he could not pin
we could not pin
you could not pin
they could not pin

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I pin?
could you pin?
could he pin?
could we pin?
could you pin?
could they pin?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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