English verb conjugation MUST UPTURN

Regular verb: upturn - upturned - upturned

Affirmation

Simple form

I must upturn
you must upturn
she must upturn
we must upturn
you must upturn
they must upturn

V-ing form

I must be upturning
you must be upturning
she must be upturning
we must be upturning
you must be upturning
they must be upturning

Perfect

I must have upturned
you must have upturned
she must have upturned
we must have upturned
you must have upturned
they must have upturned

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I upturn?
must you upturn?
must she upturn?
must we upturn?
must you upturn?
must they upturn?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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