I'll be undergoing you'll be undergoing he'll be undergoing we'll be undergoing you'll be undergoing they'll be undergoing
Futuro anteriore
I'll have undergone you'll have undergone he'll have undergone we'll have undergone you'll have undergone they'll have undergone
Futuro anteriore contínuo
I'll have been undergoing you'll have been undergoing he'll have been undergoing we'll have been undergoing you'll have been undergoing they'll have been undergoing
I'd be undergoing you'd be undergoing he'd be undergoing we'd be undergoing you'd be undergoing they'd be undergoing
Passato
I'd have undergone you'd have undergone he'd have undergone we'd have undergone you'd have undergone they'd have undergone
Passato continuo
I'd have been undergoing you'd have been undergoing he'd have been undergoing we'd have been undergoing you'd have been undergoing they'd have been undergoing