English verb conjugation MUST RETREAT

Regular verb: retreat - retreated - retreated

Affirmation

Simple form

I must retreat
you must retreat
she must retreat
we must retreat
you must retreat
they must retreat

V-ing form

I must be retreating
you must be retreating
she must be retreating
we must be retreating
you must be retreating
they must be retreating

Perfect

I must have retreated
you must have retreated
she must have retreated
we must have retreated
you must have retreated
they must have retreated

V-ing perfect

I must have been retreating
you must have been retreating
she must have been retreating
we must have been retreating
you must have been retreating
they must have been retreating

Negation

Simple form

I mustn't retreat
you mustn't retreat
she mustn't retreat
we mustn't retreat
you mustn't retreat
they mustn't retreat

V-ing form

I mustn't be retreating
you mustn't be retreating
she mustn't be retreating
we mustn't be retreating
you mustn't be retreating
they mustn't be retreating

Perfect

I mustn't have retreated
you mustn't have retreated
she mustn't have retreated
we mustn't have retreated
you mustn't have retreated
they mustn't have retreated

V-ing perfect

I mustn't have been retreating
you mustn't have been retreating
she mustn't have been retreating
we mustn't have been retreating
you mustn't have been retreating
they mustn't have been retreating

Interrogative form

Simple form

must I retreat?
must you retreat?
must she retreat?
must we retreat?
must you retreat?
must they retreat?

V-ing form

must I be retreating?
must you be retreating?
must she be retreating?
must we be retreating?
must you be retreating?
must they be retreating?

Perfect

must I have retreated?
must you have retreated?
must she have retreated?
must we have retreated?
must you have retreated?
must they have retreated?

V-ing perfect

must I have been retreating?
must you have been retreating?
must she have been retreating?
must we have been retreating?
must you have been retreating?
must they have been retreating?

Interro-negative form

Simple form

mustn't I retreat?
mustn't you retreat?
mustn't she retreat?
mustn't we retreat?
mustn't you retreat?
mustn't they retreat?

V-ing form

mustn't I be retreating?
mustn't you be retreating?
mustn't she be retreating?
mustn't we be retreating?
mustn't you be retreating?
mustn't they be retreating?

Perfect

mustn't I have retreated?
mustn't you have retreated?
mustn't she have retreated?
mustn't we have retreated?
mustn't you have retreated?
mustn't they have retreated?

V-ing perfect

mustn't I have been retreating?
mustn't you have been retreating?
mustn't she have been retreating?
mustn't we have been retreating?
mustn't you have been retreating?
mustn't they have been retreating?

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