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male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation MUST SHIFT

Regular verb: shift - shifted - shifted


Affirmation

Simple form
I must shift
you must shift
she must shift
we must shift
you must shift
they must shift
V-ing form
I must be shifting
you must be shifting
she must be shifting
we must be shifting
you must be shifting
they must be shifting
Perfect
I must have shifted
you must have shifted
she 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
she 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
she 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
she 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
she 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
she 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 she shift?
must we shift?
must you shift?
must they shift?
V-ing form
must I be shifting?
must you be shifting?
must she be shifting?
must we be shifting?
must you be shifting?
must they be shifting?
Perfect
must I have shifted?
must you have shifted?
must she 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 she 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 she 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 she 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 she 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 she have been shifting?
mustn't we have been shifting?
mustn't you have been shifting?
mustn't they have been shifting?