English verb conjugation
MIGHT RETROACT

Regular verb: retroact - retroacted - retroacted

Affirmation

Simple form	V-ing form
I might retroact you might retroact he might retroact we might retroact you might retroact they might retroact	I might be retroacting you might be retroacting he might be retroacting we might be retroacting you might be retroacting they might be retroacting
Perfect	V-ing perfect
I might have retroacted you might have retroacted he might have retroacted we might have retroacted you might have retroacted they might have retroacted	I might have been retroacting you might have been retroacting he might have been retroacting we might have been retroacting you might have been retroacting they might have been retroacting

Negation

Simple form	V-ing form
I mightn't retroact you mightn't retroact he mightn't retroact we mightn't retroact you mightn't retroact they mightn't retroact	I mightn't be retroacting you mightn't be retroacting he mightn't be retroacting we mightn't be retroacting you mightn't be retroacting they mightn't be retroacting
Perfect	V-ing perfect
I mightn't have retroacted you mightn't have retroacted he mightn't have retroacted we mightn't have retroacted you mightn't have retroacted they mightn't have retroacted	I mightn't have been retroacting you mightn't have been retroacting he mightn't have been retroacting we mightn't have been retroacting you mightn't have been retroacting they mightn't have been retroacting

Interrogative form

Simple form	V-ing form
might I retroact? might you retroact? might he retroact? might we retroact? might you retroact? might they retroact?	might I be retroacting? might you be retroacting? might he be retroacting? might we be retroacting? might you be retroacting? might they be retroacting?
Perfect	V-ing perfect
might I have retroacted? might you have retroacted? might he have retroacted? might we have retroacted? might you have retroacted? might they have retroacted?	might I have been retroacting? might you have been retroacting? might he have been retroacting? might we have been retroacting? might you have been retroacting? might they have been retroacting?

Interro-negative form

Simple form	V-ing form
mightn't I retroact? mightn't you retroact? mightn't he retroact? mightn't we retroact? mightn't you retroact? mightn't they retroact?	mightn't I be retroacting? mightn't you be retroacting? mightn't he be retroacting? mightn't we be retroacting? mightn't you be retroacting? mightn't they be retroacting?
Perfect	V-ing perfect
mightn't I have retroacted? mightn't you have retroacted? mightn't he have retroacted? mightn't we have retroacted? mightn't you have retroacted? mightn't they have retroacted?	mightn't I have been retroacting? mightn't you have been retroacting? mightn't he have been retroacting? mightn't we have been retroacting? mightn't you have been retroacting? mightn't they have been retroacting?