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 perfecto
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 perfecto 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
Passado
I'd have undergone you'd have undergone he'd have undergone we'd have undergone you'd have undergone they'd have undergone
Passado 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