could buff
Regelmä&szlig;iges Verb: buff - buffed- buffed

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could buff
you could buff
she could buff
we could buff
you could buff
they could buff 	I could be buffing
you could be buffing
she could be buffing
we could be buffing
you could be buffing
they could be buffing	I could have buffed
you could have buffed
she could have buffed
we could have buffed
you could have buffed
they could have buffed	I could have been buffing
you could have been buffing
she could have been buffing
we could have been buffing
you could have been buffing
they could have been buffing	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could not buff
you could not buff
she could not buff
we could not buff
you could not buff
they could not buff 	I could not be buffing
you could not be buffing
she could not be buffing
we could not be buffing
you could not be buffing
they could not be buffing	I could not have buffed
you could not have buffed
she could not have buffed
we could not have buffed
you could not have buffed
they could not have buffed	I could not have been buffing
you could not have been buffing
she could not have been buffing
we could not have been buffing
you could not have been buffing
they could not have been buffing	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I buff?
could you buff?
could she buff?
could we buff?
could you buff?
could they buff? 	could I be buffing?
could you be buffing?
could she be buffing?
could we be buffing?
could you be buffing?
could they be buffing? 	could I have buffed?
could you have buffed?
could she have buffed?
could we have buffed?
could you have buffed?
could they have buffed? 	could I have been buffing?
could you have been buffing?
could she have been buffing?
could we have been buffing?
could you have been buffing?
could they have been buffing? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I not buff?
could you not buff?
could she not buff?
could we not buff?
could you not buff?
could they not buff? 	could I not be buffing?
could you not be buffing?
could she not be buffing?
could we not be buffing?
could you not be buffing?
could they not be buffing? 	could I not have buffed?
could you not have buffed?
could she not have buffed?
could we not have buffed?
could you not have buffed?
could they not have buffed? 	could I not have been buffing?
could you not have been buffing?
could she not have been buffing?
could we not have been buffing?
could you not have been buffing?
could they not have been buffing?