can biff
Regelmä&szlig;iges Verb: biff - biffed- biffed

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I can biff
you can biff
he can biff
we can biff
you can biff
they can biff 	I can be biffing
you can be biffing
he can be biffing
we can be biffing
you can be biffing
they can be biffing	I can have biffed
you can have biffed
he can have biffed
we can have biffed
you can have biffed
they can have biffed	I can have been biffing
you can have been biffing
he can have been biffing
we can have been biffing
you can have been biffing
they can have been biffing	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I cannot biff
you cannot biff
he cannot biff
we cannot biff
you cannot biff
they cannot biff 	I cannot be biffing
you cannot be biffing
he cannot be biffing
we cannot be biffing
you cannot be biffing
they cannot be biffing	I cannot have biffed
you cannot have biffed
he cannot have biffed
we cannot have biffed
you cannot have biffed
they cannot have biffed	I cannot have been biffing
you cannot have been biffing
he cannot have been biffing
we cannot have been biffing
you cannot have been biffing
they cannot have been biffing	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
can I biff?
can you biff?
can he biff?
can we biff?
can you biff?
can they biff? 	can I be biffing?
can you be biffing?
can he be biffing?
can we be biffing?
can you be biffing?
can they be biffing? 	can I have biffed?
can you have biffed?
can he have biffed?
can we have biffed?
can you have biffed?
can they have biffed? 	can I have been biffing?
can you have been biffing?
can he have been biffing?
can we have been biffing?
can you have been biffing?
can they have been biffing? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
can I not biff?
can you not biff?
can he not biff?
can we not biff?
can you not biff?
can they not biff? 	can I not be biffing?
can you not be biffing?
can he not be biffing?
can we not be biffing?
can you not be biffing?
can they not be biffing? 	can I not have biffed?
can you not have biffed?
can he not have biffed?
can we not have biffed?
can you not have biffed?
can they not have biffed? 	can I not have been biffing?
can you not have been biffing?
can he not have been biffing?
can we not have been biffing?
can you not have been biffing?
can they not have been biffing?