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