Conjugación del verbo inglés
SHOULD RETROACT

Verbo regular: retroact - retroacted - retroacted

Afirmación

Forma simple	Forma con V-ing
I should retroact you should retroact he should retroact we should retroact you should retroact they should retroact	I should be retroacting you should be retroacting he should be retroacting we should be retroacting you should be retroacting they should be retroacting
Perfecto	Perfecto con V-ing
I should have retroacted you should have retroacted he should have retroacted we should have retroacted you should have retroacted they should have retroacted	I should have been retroacting you should have been retroacting he should have been retroacting we should have been retroacting you should have been retroacting they should have been retroacting

Negación

Forma simple	Forma con V-ing
I should not retroact you should not retroact he should not retroact we should not retroact you should not retroact they should not retroact	I should not be retroacting you should not be retroacting he should not be retroacting we should not be retroacting you should not be retroacting they should not be retroacting
Perfecto	Perfecto con V-ing
I should not have retroacted you should not have retroacted he should not have retroacted we should not have retroacted you should not have retroacted they should not have retroacted	I should not have been retroacting you should not have been retroacting he should not have been retroacting we should not have been retroacting you should not have been retroacting they should not have been retroacting

Forma interrogativa

Forma simple	Forma con V-ing
should I retroact? should you retroact? should he retroact? should we retroact? should you retroact? should they retroact?	should I be retroacting? should you be retroacting? should he be retroacting? should we be retroacting? should you be retroacting? should they be retroacting?
Perfecto	Perfecto con V-ing
should I have retroacted? should you have retroacted? should he have retroacted? should we have retroacted? should you have retroacted? should they have retroacted?	should I have been retroacting? should you have been retroacting? should he have been retroacting? should we have been retroacting? should you have been retroacting? should they have been retroacting?

Forma interro-negativa

Forma simple	Forma con V-ing
should I not retroact? should you not retroact? should he not retroact? should we not retroact? should you not retroact? should they not retroact?	should I not be retroacting? should you not be retroacting? should he not be retroacting? should we not be retroacting? should you not be retroacting? should they not be retroacting?
Perfecto	Perfecto con V-ing
should I not have retroacted? should you not have retroacted? should he not have retroacted? should we not have retroacted? should you not have retroacted? should they not have retroacted?	should I not have been retroacting? should you not have been retroacting? should he not have been retroacting? should we not have been retroacting? should you not have been retroacting? should they not have been retroacting?