English verb conjugation COULD UPHOLD

Irregular verb: uphold - upheld - upheld

Affirmation

Simple form

I could uphold
you could uphold
she could uphold
we could uphold
you could uphold
they could uphold

V-ing form

I could be upholding
you could be upholding
she could be upholding
we could be upholding
you could be upholding
they could be upholding

Perfect

I could have upheld
you could have upheld
she could have upheld
we could have upheld
you could have upheld
they could have upheld

V-ing perfect

I could have been upholding
you could have been upholding
she could have been upholding
we could have been upholding
you could have been upholding
they could have been upholding

Negation

Simple form

I could not uphold
you could not uphold
she could not uphold
we could not uphold
you could not uphold
they could not uphold

V-ing form

I could not be upholding
you could not be upholding
she could not be upholding
we could not be upholding
you could not be upholding
they could not be upholding

Perfect

I could not have upheld
you could not have upheld
she could not have upheld
we could not have upheld
you could not have upheld
they could not have upheld

V-ing perfect

I could not have been upholding
you could not have been upholding
she could not have been upholding
we could not have been upholding
you could not have been upholding
they could not have been upholding

Interrogative form

Simple form

could I uphold?
could you uphold?
could she uphold?
could we uphold?
could you uphold?
could they uphold?

V-ing form

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

Perfect

could I have upheld?
could you have upheld?
could she have upheld?
could we have upheld?
could you have upheld?
could they have upheld?

V-ing perfect

could I have been upholding?
could you have been upholding?
could she have been upholding?
could we have been upholding?
could you have been upholding?
could they have been upholding?

Interro-negative form

Simple form

could I not uphold?
could you not uphold?
could she not uphold?
could we not uphold?
could you not uphold?
could they not uphold?

V-ing form

could I not be upholding?
could you not be upholding?
could she not be upholding?
could we not be upholding?
could you not be upholding?
could they not be upholding?

Perfect

could I not have upheld?
could you not have upheld?
could she not have upheld?
could we not have upheld?
could you not have upheld?
could they not have upheld?

V-ing perfect

could I not have been upholding?
could you not have been upholding?
could she not have been upholding?
could we not have been upholding?
could you not have been upholding?
could they not have been upholding?

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