English verb conjugation MUST UPSHIFT

Regular verb: upshift - upshifted - upshifted

Affirmation

Simple form

I must upshift
you must upshift
he must upshift
we must upshift
you must upshift
they must upshift

V-ing form

I must be upshifting
you must be upshifting
he must be upshifting
we must be upshifting
you must be upshifting
they must be upshifting

Perfect

I must have upshifted
you must have upshifted
he must have upshifted
we must have upshifted
you must have upshifted
they must have upshifted

V-ing perfect

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

Negation

Simple form

I mustn't upshift
you mustn't upshift
he mustn't upshift
we mustn't upshift
you mustn't upshift
they mustn't upshift

V-ing form

I mustn't be upshifting
you mustn't be upshifting
he mustn't be upshifting
we mustn't be upshifting
you mustn't be upshifting
they mustn't be upshifting

Perfect

I mustn't have upshifted
you mustn't have upshifted
he mustn't have upshifted
we mustn't have upshifted
you mustn't have upshifted
they mustn't have upshifted

V-ing perfect

I mustn't have been upshifting
you mustn't have been upshifting
he mustn't have been upshifting
we mustn't have been upshifting
you mustn't have been upshifting
they mustn't have been upshifting

Interrogative form

Simple form

must I upshift?
must you upshift?
must he upshift?
must we upshift?
must you upshift?
must they upshift?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

mustn't I upshift?
mustn't you upshift?
mustn't he upshift?
mustn't we upshift?
mustn't you upshift?
mustn't they upshift?

V-ing form

mustn't I be upshifting?
mustn't you be upshifting?
mustn't he be upshifting?
mustn't we be upshifting?
mustn't you be upshifting?
mustn't they be upshifting?

Perfect

mustn't I have upshifted?
mustn't you have upshifted?
mustn't he have upshifted?
mustn't we have upshifted?
mustn't you have upshifted?
mustn't they have upshifted?

V-ing perfect

mustn't I have been upshifting?
mustn't you have been upshifting?
mustn't he have been upshifting?
mustn't we have been upshifting?
mustn't you have been upshifting?
mustn't they have been upshifting?

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