English verb conjugation MUST UPEND

Regular verb: upend - upended - upended

Affirmation

Simple form

I must upend
you must upend
she must upend
we must upend
you must upend
they must upend

V-ing form

I must be upending
you must be upending
she must be upending
we must be upending
you must be upending
they must be upending

Perfect

I must have upended
you must have upended
she must have upended
we must have upended
you must have upended
they must have upended

V-ing perfect

I must have been upending
you must have been upending
she must have been upending
we must have been upending
you must have been upending
they must have been upending

Negation

Simple form

I mustn't upend
you mustn't upend
she mustn't upend
we mustn't upend
you mustn't upend
they mustn't upend

V-ing form

I mustn't be upending
you mustn't be upending
she mustn't be upending
we mustn't be upending
you mustn't be upending
they mustn't be upending

Perfect

I mustn't have upended
you mustn't have upended
she mustn't have upended
we mustn't have upended
you mustn't have upended
they mustn't have upended

V-ing perfect

I mustn't have been upending
you mustn't have been upending
she mustn't have been upending
we mustn't have been upending
you mustn't have been upending
they mustn't have been upending

Interrogative form

Simple form

must I upend?
must you upend?
must she upend?
must we upend?
must you upend?
must they upend?

V-ing form

must I be upending?
must you be upending?
must she be upending?
must we be upending?
must you be upending?
must they be upending?

Perfect

must I have upended?
must you have upended?
must she have upended?
must we have upended?
must you have upended?
must they have upended?

V-ing perfect

must I have been upending?
must you have been upending?
must she have been upending?
must we have been upending?
must you have been upending?
must they have been upending?

Interro-negative form

Simple form

mustn't I upend?
mustn't you upend?
mustn't she upend?
mustn't we upend?
mustn't you upend?
mustn't they upend?

V-ing form

mustn't I be upending?
mustn't you be upending?
mustn't she be upending?
mustn't we be upending?
mustn't you be upending?
mustn't they be upending?

Perfect

mustn't I have upended?
mustn't you have upended?
mustn't she have upended?
mustn't we have upended?
mustn't you have upended?
mustn't they have upended?

V-ing perfect

mustn't I have been upending?
mustn't you have been upending?
mustn't she have been upending?
mustn't we have been upending?
mustn't you have been upending?
mustn't they have been upending?

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