English verb conjugation COULD UPHOLSTER

Regular verb: upholster - upholstered - upholstered

Affirmation

Simple form

I could upholster
you could upholster
he could upholster
we could upholster
you could upholster
they could upholster

V-ing form

I could be upholstering
you could be upholstering
he could be upholstering
we could be upholstering
you could be upholstering
they could be upholstering

Perfect

I could have upholstered
you could have upholstered
he could have upholstered
we could have upholstered
you could have upholstered
they could have upholstered

V-ing perfect

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

Negation

Simple form

I could not upholster
you could not upholster
he could not upholster
we could not upholster
you could not upholster
they could not upholster

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I upholster?
could you upholster?
could he upholster?
could we upholster?
could you upholster?
could they upholster?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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