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 must not retreat
you must not retreat
she must not retreat
we must not retreat
you must not retreat
they must not retreat

V-ing form

I must not be retreating
you must not be retreating
she must not be retreating
we must not be retreating
you must not be retreating
they must not be retreating

Perfect

I must not have retreated
you must not have retreated
she must not have retreated
we must not have retreated
you must not have retreated
they must not have retreated

V-ing perfect

I must not have been retreating
you must not have been retreating
she must not have been retreating
we must not have been retreating
you must not have been retreating
they must not 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

must I not retreat?
must you not retreat?
must she not retreat?
must we not retreat?
must you not retreat?
must they not retreat?

V-ing form

must I not be retreating?
must you not be retreating?
must she not be retreating?
must we not be retreating?
must you not be retreating?
must they not be retreating?

Perfect

must I not have retreated?
must you not have retreated?
must she not have retreated?
must we not have retreated?
must you not have retreated?
must they not have retreated?

V-ing perfect

must I not have been retreating?
must you not have been retreating?
must she not have been retreating?
must we not have been retreating?
must you not have been retreating?
must they not have been retreating?

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