could impair
Regelmä&szlig;iges Verb: impair - impaired- impaired

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could impair
you could impair
she could impair
we could impair
you could impair
they could impair 	I could be impairing
you could be impairing
she could be impairing
we could be impairing
you could be impairing
they could be impairing	I could have impaired
you could have impaired
she could have impaired
we could have impaired
you could have impaired
they could have impaired	I could have been impairing
you could have been impairing
she could have been impairing
we could have been impairing
you could have been impairing
they could have been impairing	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could not impair
you could not impair
she could not impair
we could not impair
you could not impair
they could not impair 	I could not be impairing
you could not be impairing
she could not be impairing
we could not be impairing
you could not be impairing
they could not be impairing	I could not have impaired
you could not have impaired
she could not have impaired
we could not have impaired
you could not have impaired
they could not have impaired	I could not have been impairing
you could not have been impairing
she could not have been impairing
we could not have been impairing
you could not have been impairing
they could not have been impairing	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I impair?
could you impair?
could she impair?
could we impair?
could you impair?
could they impair? 	could I be impairing?
could you be impairing?
could she be impairing?
could we be impairing?
could you be impairing?
could they be impairing? 	could I have impaired?
could you have impaired?
could she have impaired?
could we have impaired?
could you have impaired?
could they have impaired? 	could I have been impairing?
could you have been impairing?
could she have been impairing?
could we have been impairing?
could you have been impairing?
could they have been impairing? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I not impair?
could you not impair?
could she not impair?
could we not impair?
could you not impair?
could they not impair? 	could I not be impairing?
could you not be impairing?
could she not be impairing?
could we not be impairing?
could you not be impairing?
could they not be impairing? 	could I not have impaired?
could you not have impaired?
could she not have impaired?
could we not have impaired?
could you not have impaired?
could they not have impaired? 	could I not have been impairing?
could you not have been impairing?
could she not have been impairing?
could we not have been impairing?
could you not have been impairing?
could they not have been impairing?