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

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

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

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

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