English verb conjugation COULD UPHOLSTER

Regular verb: upholster - upholstered - upholstered

Affirmation

Simple form

I could upholster
you could upholster
she could upholster
we could upholster
you could upholster
they could upholster

V-ing form

I could be upholstering
you could be upholstering
she could be upholstering
we could be upholstering
you could be upholstering
they could be upholstering

Perfect

I could have upholstered
you could have upholstered
she 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
she could have been upholstering
we could have been upholstering
you could have been upholstering
they could have been upholstering

Negation

Simple form

I couldn't upholster
you couldn't upholster
she couldn't upholster
we couldn't upholster
you couldn't upholster
they couldn't upholster

V-ing form

I couldn't be upholstering
you couldn't be upholstering
she couldn't be upholstering
we couldn't be upholstering
you couldn't be upholstering
they couldn't be upholstering

Perfect

I couldn't have upholstered
you couldn't have upholstered
she couldn't have upholstered
we couldn't have upholstered
you couldn't have upholstered
they couldn't have upholstered

V-ing perfect

I couldn't have been upholstering
you couldn't have been upholstering
she couldn't have been upholstering
we couldn't have been upholstering
you couldn't have been upholstering
they couldn't have been upholstering

Interrogative form

Simple form

could I upholster?
could you upholster?
could she upholster?
could we upholster?
could you upholster?
could they upholster?

V-ing form

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

Perfect

could I have upholstered?
could you have upholstered?
could she 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 she have been upholstering?
could we have been upholstering?
could you have been upholstering?
could they have been upholstering?

Interro-negative form

Simple form

couldn't I upholster?
couldn't you upholster?
couldn't she upholster?
couldn't we upholster?
couldn't you upholster?
couldn't they upholster?

V-ing form

couldn't I be upholstering?
couldn't you be upholstering?
couldn't she be upholstering?
couldn't we be upholstering?
couldn't you be upholstering?
couldn't they be upholstering?

Perfect

couldn't I have upholstered?
couldn't you have upholstered?
couldn't she have upholstered?
couldn't we have upholstered?
couldn't you have upholstered?
couldn't they have upholstered?

V-ing perfect

couldn't I have been upholstering?
couldn't you have been upholstering?
couldn't she have been upholstering?
couldn't we have been upholstering?
couldn't you have been upholstering?
couldn't they have been upholstering?

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