English verb conjugation MUST GRIFT

Regular verb: grift - grifted - grifted

Affirmation

Simple form

I must grift
you must grift
he must grift
we must grift
you must grift
they must grift

V-ing form

I must be grifting
you must be grifting
he must be grifting
we must be grifting
you must be grifting
they must be grifting

Perfect

I must have grifted
you must have grifted
he must have grifted
we must have grifted
you must have grifted
they must have grifted

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I grift?
must you grift?
must he grift?
must we grift?
must you grift?
must they grift?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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