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