English verb conjugation MUST RETROACT

Regular verb: retroact - retroacted - retroacted

Affirmation

Simple form

I must retroact
you must retroact
she must retroact
we must retroact
you must retroact
they must retroact

V-ing form

I must be retroacting
you must be retroacting
she must be retroacting
we must be retroacting
you must be retroacting
they must be retroacting

Perfect

I must have retroacted
you must have retroacted
she must have retroacted
we must have retroacted
you must have retroacted
they must have retroacted

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I retroact?
must you retroact?
must she retroact?
must we retroact?
must you retroact?
must they retroact?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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