English verb conjugation COULD RETROACT

Regular verb: retroact - retroacted - retroacted

Affirmation

Simple form

I could retroact
you could retroact
he could retroact
we could retroact
you could retroact
they could retroact

V-ing form

I could be retroacting
you could be retroacting
he could be retroacting
we could be retroacting
you could be retroacting
they could be retroacting

Perfect

I could have retroacted
you could have retroacted
he could have retroacted
we could have retroacted
you could have retroacted
they could have retroacted

V-ing perfect

I could have been retroacting
you could have been retroacting
he could have been retroacting
we could have been retroacting
you could have been retroacting
they could have been retroacting

Negation

Simple form

I couldn't retroact
you couldn't retroact
he couldn't retroact
we couldn't retroact
you couldn't retroact
they couldn't retroact

V-ing form

I couldn't be retroacting
you couldn't be retroacting
he couldn't be retroacting
we couldn't be retroacting
you couldn't be retroacting
they couldn't be retroacting

Perfect

I couldn't have retroacted
you couldn't have retroacted
he couldn't have retroacted
we couldn't have retroacted
you couldn't have retroacted
they couldn't have retroacted

V-ing perfect

I couldn't have been retroacting
you couldn't have been retroacting
he couldn't have been retroacting
we couldn't have been retroacting
you couldn't have been retroacting
they couldn't have been retroacting

Interrogative form

Simple form

could I retroact?
could you retroact?
could he retroact?
could we retroact?
could you retroact?
could they retroact?

V-ing form

could I be retroacting?
could you be retroacting?
could he be retroacting?
could we be retroacting?
could you be retroacting?
could they be retroacting?

Perfect

could I have retroacted?
could you have retroacted?
could he have retroacted?
could we have retroacted?
could you have retroacted?
could they have retroacted?

V-ing perfect

could I have been retroacting?
could you have been retroacting?
could he have been retroacting?
could we have been retroacting?
could you have been retroacting?
could they have been retroacting?

Interro-negative form

Simple form

couldn't I retroact?
couldn't you retroact?
couldn't he retroact?
couldn't we retroact?
couldn't you retroact?
couldn't they retroact?

V-ing form

couldn't I be retroacting?
couldn't you be retroacting?
couldn't he be retroacting?
couldn't we be retroacting?
couldn't you be retroacting?
couldn't they be retroacting?

Perfect

couldn't I have retroacted?
couldn't you have retroacted?
couldn't he have retroacted?
couldn't we have retroacted?
couldn't you have retroacted?
couldn't they have retroacted?

V-ing perfect

couldn't I have been retroacting?
couldn't you have been retroacting?
couldn't he have been retroacting?
couldn't we have been retroacting?
couldn't you have been retroacting?
couldn't they have been retroacting?

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