would biff
Regular verb: biff - biffed- biffed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I would biff
you would biff
he would biff
we would biff
you would biff
they would biff 	I would be biffing
you would be biffing
he would be biffing
we would be biffing
you would be biffing
they would be biffing	I would have biffed
you would have biffed
he would have biffed
we would have biffed
you would have biffed
they would have biffed	I would have been biffing
you would have been biffing
he would have been biffing
we would have been biffing
you would have been biffing
they would have been biffing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I would not biff
you would not biff
he would not biff
we would not biff
you would not biff
they would not biff 	I would not be biffing
you would not be biffing
he would not be biffing
we would not be biffing
you would not be biffing
they would not be biffing	I would not have biffed
you would not have biffed
he would not have biffed
we would not have biffed
you would not have biffed
they would not have biffed	I would not have been biffing
you would not have been biffing
he would not have been biffing
we would not have been biffing
you would not have been biffing
they would not have been biffing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
would I biff?
would you biff?
would he biff?
would we biff?
would you biff?
would they biff? 	would I be biffing?
would you be biffing?
would he be biffing?
would we be biffing?
would you be biffing?
would they be biffing? 	would I have biffed?
would you have biffed?
would he have biffed?
would we have biffed?
would you have biffed?
would they have biffed? 	would I have been biffing?
would you have been biffing?
would he have been biffing?
would we have been biffing?
would you have been biffing?
would they have been biffing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
would I not biff?
would you not biff?
would he not biff?
would we not biff?
would you not biff?
would they not biff? 	would I not be biffing?
would you not be biffing?
would he not be biffing?
would we not be biffing?
would you not be biffing?
would they not be biffing? 	would I not have biffed?
would you not have biffed?
would he not have biffed?
would we not have biffed?
would you not have biffed?
would they not have biffed? 	would I not have been biffing?
would you not have been biffing?
would he not have been biffing?
would we not have been biffing?
would you not have been biffing?
would they not have been biffing?