English verb conjugation MUST UPHOLD

Irregular verb: uphold - upheld - upheld

Affirmation

Simple form

I must uphold
you must uphold
he must uphold
we must uphold
you must uphold
they must uphold

V-ing form

I must be upholding
you must be upholding
he must be upholding
we must be upholding
you must be upholding
they must be upholding

Perfect

I must have upheld
you must have upheld
he must have upheld
we must have upheld
you must have upheld
they must have upheld

V-ing perfect

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

Negation

Simple form

I must not uphold
you must not uphold
he must not uphold
we must not uphold
you must not uphold
they must not uphold

V-ing form

I must not be upholding
you must not be upholding
he must not be upholding
we must not be upholding
you must not be upholding
they must not be upholding

Perfect

I must not have upheld
you must not have upheld
he must not have upheld
we must not have upheld
you must not have upheld
they must not have upheld

V-ing perfect

I must not have been upholding
you must not have been upholding
he must not have been upholding
we must not have been upholding
you must not have been upholding
they must not have been upholding

Interrogative form

Simple form

must I uphold?
must you uphold?
must he uphold?
must we uphold?
must you uphold?
must they uphold?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

must I not uphold?
must you not uphold?
must he not uphold?
must we not uphold?
must you not uphold?
must they not uphold?

V-ing form

must I not be upholding?
must you not be upholding?
must he not be upholding?
must we not be upholding?
must you not be upholding?
must they not be upholding?

Perfect

must I not have upheld?
must you not have upheld?
must he not have upheld?
must we not have upheld?
must you not have upheld?
must they not have upheld?

V-ing perfect

must I not have been upholding?
must you not have been upholding?
must he not have been upholding?
must we not have been upholding?
must you not have been upholding?
must they not have been upholding?

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