should retroact
Regelmä&szlig;iges Verb: retroact - retroacted- retroacted

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit 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	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	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit 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	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	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit 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? 	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? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit 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? 	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?