English verb conjugation MUST UPTURN

Regular verb: upturn - upturned - upturned

Affirmation

Simple form

I must upturn
you must upturn
he must upturn
we must upturn
you must upturn
they must upturn

V-ing form

I must be upturning
you must be upturning
he must be upturning
we must be upturning
you must be upturning
they must be upturning

Perfect

I must have upturned
you must have upturned
he 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
he 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
he 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
he 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
he 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
he 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 he upturn?
must we upturn?
must you upturn?
must they upturn?

V-ing form

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

Perfect

must I have upturned?
must you have upturned?
must he 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 he 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 he 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 he 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 he 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 he 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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