can biff
Verbo regolare: biff - biffed- biffed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con 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	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I can't biff
you can't biff
he can't biff
we can't biff
you can't biff
they can't biff 	I can't be biffing
you can't be biffing
he can't be biffing
we can't be biffing
you can't be biffing
they can't be biffing	I can't have biffed
you can't have biffed
he can't have biffed
we can't have biffed
you can't have biffed
they can't have biffed	I can't have been biffing
you can't have been biffing
he can't have been biffing
we can't have been biffing
you can't have been biffing
they can't have been biffing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con 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? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can't I biff?
can't you biff?
can't he biff?
can't we biff?
can't you biff?
can't they biff? 	can't I be biffing?
can't you be biffing?
can't he be biffing?
can't we be biffing?
can't you be biffing?
can't they be biffing? 	can't I have biffed?
can't you have biffed?
can't he have biffed?
can't we have biffed?
can't you have biffed?
can't they have biffed? 	can't I have been biffing?
can't you have been biffing?
can't he have been biffing?
can't we have been biffing?
can't you have been biffing?
can't they have been biffing?