English verb conjugation COULD BARN

Regular verb: barn - barned - barned

Affirmation

Simple form

I could barn
you could barn
he could barn
we could barn
you could barn
they could barn

V-ing form

I could be barning
you could be barning
he could be barning
we could be barning
you could be barning
they could be barning

Perfect

I could have barned
you could have barned
he could have barned
we could have barned
you could have barned
they could have barned

V-ing perfect

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

Negation

Simple form

I could not barn
you could not barn
he could not barn
we could not barn
you could not barn
they could not barn

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I barn?
could you barn?
could he barn?
could we barn?
could you barn?
could they barn?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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