English verb conjugation MUST SHIFT

Regular verb: shift - shifted - shifted

Affirmation

Simple form

I must shift
you must shift
he must shift
we must shift
you must shift
they must shift

V-ing form

I must be shifting
you must be shifting
he must be shifting
we must be shifting
you must be shifting
they must be shifting

Perfect

I must have shifted
you must have shifted
he must have shifted
we must have shifted
you must have shifted
they must have shifted

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I shift?
must you shift?
must he shift?
must we shift?
must you shift?
must they shift?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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