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 couldn't uphold
you couldn't uphold
she couldn't uphold
we couldn't uphold
you couldn't uphold
they couldn't uphold

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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