could dun
Regelmä&szlig;iges Verb: dun - dunned- dunned

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could dun
you could dun
she could dun
we could dun
you could dun
they could dun 	I could be dunning
you could be dunning
she could be dunning
we could be dunning
you could be dunning
they could be dunning	I could have dunned
you could have dunned
she could have dunned
we could have dunned
you could have dunned
they could have dunned	I could have been dunning
you could have been dunning
she could have been dunning
we could have been dunning
you could have been dunning
they could have been dunning	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could not dun
you could not dun
she could not dun
we could not dun
you could not dun
they could not dun 	I could not be dunning
you could not be dunning
she could not be dunning
we could not be dunning
you could not be dunning
they could not be dunning	I could not have dunned
you could not have dunned
she could not have dunned
we could not have dunned
you could not have dunned
they could not have dunned	I could not have been dunning
you could not have been dunning
she could not have been dunning
we could not have been dunning
you could not have been dunning
they could not have been dunning	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I dun?
could you dun?
could she dun?
could we dun?
could you dun?
could they dun? 	could I be dunning?
could you be dunning?
could she be dunning?
could we be dunning?
could you be dunning?
could they be dunning? 	could I have dunned?
could you have dunned?
could she have dunned?
could we have dunned?
could you have dunned?
could they have dunned? 	could I have been dunning?
could you have been dunning?
could she have been dunning?
could we have been dunning?
could you have been dunning?
could they have been dunning? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I not dun?
could you not dun?
could she not dun?
could we not dun?
could you not dun?
could they not dun? 	could I not be dunning?
could you not be dunning?
could she not be dunning?
could we not be dunning?
could you not be dunning?
could they not be dunning? 	could I not have dunned?
could you not have dunned?
could she not have dunned?
could we not have dunned?
could you not have dunned?
could they not have dunned? 	could I not have been dunning?
could you not have been dunning?
could she not have been dunning?
could we not have been dunning?
could you not have been dunning?
could they not have been dunning?