English verb conjugation CAN UPHOLD

Irregular verb: uphold - upheld - upheld

Affirmation

Simple form

I can uphold
you can uphold
he can uphold
we can uphold
you can uphold
they can uphold

V-ing form

I can be upholding
you can be upholding
he can be upholding
we can be upholding
you can be upholding
they can be upholding

Perfect

I can have upheld
you can have upheld
he can have upheld
we can have upheld
you can have upheld
they can have upheld

V-ing perfect

I can have been upholding
you can have been upholding
he can have been upholding
we can have been upholding
you can have been upholding
they can have been upholding

Negation

Simple form

I can't uphold
you can't uphold
he can't uphold
we can't uphold
you can't uphold
they can't uphold

V-ing form

I can't be upholding
you can't be upholding
he can't be upholding
we can't be upholding
you can't be upholding
they can't be upholding

Perfect

I can't have upheld
you can't have upheld
he can't have upheld
we can't have upheld
you can't have upheld
they can't have upheld

V-ing perfect

I can't have been upholding
you can't have been upholding
he can't have been upholding
we can't have been upholding
you can't have been upholding
they can't have been upholding

Interrogative form

Simple form

can I uphold?
can you uphold?
can he uphold?
can we uphold?
can you uphold?
can they uphold?

V-ing form

can I be upholding?
can you be upholding?
can he be upholding?
can we be upholding?
can you be upholding?
can they be upholding?

Perfect

can I have upheld?
can you have upheld?
can he have upheld?
can we have upheld?
can you have upheld?
can they have upheld?

V-ing perfect

can I have been upholding?
can you have been upholding?
can he have been upholding?
can we have been upholding?
can you have been upholding?
can they have been upholding?

Interro-negative form

Simple form

can't I uphold?
can't you uphold?
can't he uphold?
can't we uphold?
can't you uphold?
can't they uphold?

V-ing form

can't I be upholding?
can't you be upholding?
can't he be upholding?
can't we be upholding?
can't you be upholding?
can't they be upholding?

Perfect

can't I have upheld?
can't you have upheld?
can't he have upheld?
can't we have upheld?
can't you have upheld?
can't they have upheld?

V-ing perfect

can't I have been upholding?
can't you have been upholding?
can't he have been upholding?
can't we have been upholding?
can't you have been upholding?
can't they have been upholding?

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