don't I undergo? don't you undergo? doesn't he undergo? don't we undergo? don't you undergo? don't they undergo?
Presente contínuo
am I not undergoing? aren't you undergoing? isn't he undergoing? aren't we undergoing? aren't you undergoing? aren't they undergoing?
Pretérito
didn't I undergo? didn't you undergo? didn't he undergo? didn't we undergo? didn't you undergo? didn't they undergo?
Preterito contínuo
wasn't I undergoing? weren't you undergoing? wasn't he undergoing? weren't we undergoing? weren't you undergoing? weren't they undergoing?
Presente perfeito
haven't I undergone? haven't you undergone? hasn't he undergone? haven't we undergone? haven't you undergone? haven't they undergone?
Presente perfeito contínuo
haven't I been undergoing? haven't you been undergoing? hasn't he been undergoing? haven't we been undergoing? haven't you been undergoing? haven't they been undergoing?
Mais perfeito
hadn't I undergone? hadn't you undergone? hadn't he undergone? hadn't we undergone? hadn't you undergone? hadn't they undergone?
Contínuo mais perfeito
hadn't I been undergoing? hadn't you been undergoing? hadn't he been undergoing? hadn't we been undergoing? hadn't you been undergoing? hadn't they been undergoing?
Futuro
won't I undergo? won't you undergo? won't he undergo? won't we undergo? won't you undergo? won't they undergo?
Futuro contínuo
won't I be undergoing? won't you be undergoing? won't he be undergoing? won't we be undergoing? won't you be undergoing? won't they be undergoing?
futuro perfeito
won't I have undergone? won't you have undergone? won't he have undergone? won't we have undergone? won't you have undergone? won't they have undergone?
futuro perfeito contínuo
won't I have been undergoing? won't you have been undergoing? won't he have been undergoing? won't we have been undergoing? won't you have been undergoing? won't they have been undergoing?
Condicional
Presente
wouldn't I undergo? wouldn't you undergo? wouldn't he undergo? wouldn't we undergo? wouldn't you undergo? wouldn't they undergo?
Presente contínuo
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?
Passado
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?
Passado contínuo
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?