English verb conjugation MUST DRIFT

Regular verb: drift - drifted - drifted

Affirmation

Simple form

I must drift
you must drift
he must drift
we must drift
you must drift
they must drift

V-ing form

I must be drifting
you must be drifting
he must be drifting
we must be drifting
you must be drifting
they must be drifting

Perfect

I must have drifted
you must have drifted
he must have drifted
we must have drifted
you must have drifted
they must have drifted

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I drift?
must you drift?
must he drift?
must we drift?
must you drift?
must they drift?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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