might biff
Regular verb: biff - biffed- biffed

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mightn't biff
you mightn't biff
she mightn't biff
we mightn't biff
you mightn't biff
they mightn't biff 	I mightn't be biffing
you mightn't be biffing
she mightn't be biffing
we mightn't be biffing
you mightn't be biffing
they mightn't be biffing	I mightn't have biffed
you mightn't have biffed
she mightn't have biffed
we mightn't have biffed
you mightn't have biffed
they mightn't have biffed	I mightn't have been biffing
you mightn't have been biffing
she mightn't have been biffing
we mightn't have been biffing
you mightn't have been biffing
they mightn't have been biffing	

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

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mightn't I biff?
mightn't you biff?
mightn't she biff?
mightn't we biff?
mightn't you biff?
mightn't they biff? 	mightn't I be biffing?
mightn't you be biffing?
mightn't she be biffing?
mightn't we be biffing?
mightn't you be biffing?
mightn't they be biffing? 	mightn't I have biffed?
mightn't you have biffed?
mightn't she have biffed?
mightn't we have biffed?
mightn't you have biffed?
mightn't they have biffed? 	mightn't I have been biffing?
mightn't you have been biffing?
mightn't she have been biffing?
mightn't we have been biffing?
mightn't you have been biffing?
mightn't they have been biffing?