can impugn
Regelmä&szlig;iges Verb: impugn - impugned- impugned

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I can impugn
you can impugn
she can impugn
we can impugn
you can impugn
they can impugn 	I can be impugning
you can be impugning
she can be impugning
we can be impugning
you can be impugning
they can be impugning	I can have impugned
you can have impugned
she can have impugned
we can have impugned
you can have impugned
they can have impugned	I can have been impugning
you can have been impugning
she can have been impugning
we can have been impugning
you can have been impugning
they can have been impugning	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I cannot impugn
you cannot impugn
she cannot impugn
we cannot impugn
you cannot impugn
they cannot impugn 	I cannot be impugning
you cannot be impugning
she cannot be impugning
we cannot be impugning
you cannot be impugning
they cannot be impugning	I cannot have impugned
you cannot have impugned
she cannot have impugned
we cannot have impugned
you cannot have impugned
they cannot have impugned	I cannot have been impugning
you cannot have been impugning
she cannot have been impugning
we cannot have been impugning
you cannot have been impugning
they cannot have been impugning	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
can I impugn?
can you impugn?
can she impugn?
can we impugn?
can you impugn?
can they impugn? 	can I be impugning?
can you be impugning?
can she be impugning?
can we be impugning?
can you be impugning?
can they be impugning? 	can I have impugned?
can you have impugned?
can she have impugned?
can we have impugned?
can you have impugned?
can they have impugned? 	can I have been impugning?
can you have been impugning?
can she have been impugning?
can we have been impugning?
can you have been impugning?
can they have been impugning? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
can I not impugn?
can you not impugn?
can she not impugn?
can we not impugn?
can you not impugn?
can they not impugn? 	can I not be impugning?
can you not be impugning?
can she not be impugning?
can we not be impugning?
can you not be impugning?
can they not be impugning? 	can I not have impugned?
can you not have impugned?
can she not have impugned?
can we not have impugned?
can you not have impugned?
can they not have impugned? 	can I not have been impugning?
can you not have been impugning?
can she not have been impugning?
can we not have been impugning?
can you not have been impugning?
can they not have been impugning?