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
she should retroact
we should retroact
you should retroact
they should retroact 	I should be retroacting
you should be retroacting
she should be retroacting
we should be retroacting
you should be retroacting
they should be retroacting	I should have retroacted
you should have retroacted
she 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
she 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
she 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
she 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
she 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
she 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 she retroact?
should we retroact?
should you retroact?
should they retroact? 	should I be retroacting?
should you be retroacting?
should she be retroacting?
should we be retroacting?
should you be retroacting?
should they be retroacting? 	should I have retroacted?
should you have retroacted?
should she 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 she 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 she 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 she 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 she 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 she not have been retroacting?
should we not have been retroacting?
should you not have been retroacting?
should they not have been retroacting?