English verb conjugation COULD COPPER

Regular verb: copper - coppered - coppered

Affirmation

Simple form

I could copper
you could copper
he could copper
we could copper
you could copper
they could copper

V-ing form

I could be coppering
you could be coppering
he could be coppering
we could be coppering
you could be coppering
they could be coppering

Perfect

I could have coppered
you could have coppered
he could have coppered
we could have coppered
you could have coppered
they could have coppered

V-ing perfect

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

Negation

Simple form

I could not copper
you could not copper
he could not copper
we could not copper
you could not copper
they could not copper

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I copper?
could you copper?
could he copper?
could we copper?
could you copper?
could they copper?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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