I might undergo you might undergo he might undergo we might undergo you might undergo they might undergo
V-ing form
I might be undergoing you might be undergoing he might be undergoing we might be undergoing you might be undergoing they might be undergoing
Perfect
I might have undergone you might have undergone he might have undergone we might have undergone you might have undergone they might have undergone
V-ing perfect
I might have been undergoing you might have been undergoing he might have been undergoing we might have been undergoing you might have been undergoing they might have been undergoing
Negation
Simple form
I mightn't undergo you mightn't undergo he mightn't undergo we mightn't undergo you mightn't undergo they mightn't undergo
V-ing form
I mightn't be undergoing you mightn't be undergoing he mightn't be undergoing we mightn't be undergoing you mightn't be undergoing they mightn't be undergoing
Perfect
I mightn't have undergone you mightn't have undergone he mightn't have undergone we mightn't have undergone you mightn't have undergone they mightn't have undergone
V-ing perfect
I mightn't have been undergoing you mightn't have been undergoing he mightn't have been undergoing we mightn't have been undergoing you mightn't have been undergoing they mightn't have been undergoing
Interrogative form
Simple form
might I undergo? might you undergo? might he undergo? might we undergo? might you undergo? might they undergo?
V-ing form
might I be undergoing? might you be undergoing? might he be undergoing? might we be undergoing? might you be undergoing? might they be undergoing?
Perfect
might I have undergone? might you have undergone? might he have undergone? might we have undergone? might you have undergone? might they have undergone?
V-ing perfect
might I have been undergoing? might you have been undergoing? might he have been undergoing? might we have been undergoing? might you have been undergoing? might they have been undergoing?
Interro-negative form
Simple form
mightn't I undergo? mightn't you undergo? mightn't he undergo? mightn't we undergo? mightn't you undergo? mightn't they undergo?
V-ing form
mightn't I be undergoing? mightn't you be undergoing? mightn't he be undergoing? mightn't we be undergoing? mightn't you be undergoing? mightn't they be undergoing?
Perfect
mightn't I have undergone? mightn't you have undergone? mightn't he have undergone? mightn't we have undergone? mightn't you have undergone? mightn't they have undergone?
V-ing perfect
mightn't I have been undergoing? mightn't you have been undergoing? mightn't he have been undergoing? mightn't we have been undergoing? mightn't you have been undergoing? mightn't they have been undergoing?