English verb conjugation COULD PAPER

Regular verb: paper - papered - papered

Affirmation

Simple form

I could paper
you could paper
he could paper
we could paper
you could paper
they could paper

V-ing form

I could be papering
you could be papering
he could be papering
we could be papering
you could be papering
they could be papering

Perfect

I could have papered
you could have papered
he could have papered
we could have papered
you could have papered
they could have papered

V-ing perfect

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

Negation

Simple form

I could not paper
you could not paper
he could not paper
we could not paper
you could not paper
they could not paper

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I paper?
could you paper?
could he paper?
could we paper?
could you paper?
could they paper?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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