I can undergo you can undergo she can undergo we can undergo you can undergo they can undergo
Forma con V-ing
I can be undergoing you can be undergoing she can be undergoing we can be undergoing you can be undergoing they can be undergoing
Perfecto
I can have undergone you can have undergone she can have undergone we can have undergone you can have undergone they can have undergone
Perfecto con V-ing
I can have been undergoing you can have been undergoing she can have been undergoing we can have been undergoing you can have been undergoing they can have been undergoing
Negación
Forma simple
I can't undergo you can't undergo she can't undergo we can't undergo you can't undergo they can't undergo
Forma con V-ing
I can't be undergoing you can't be undergoing she can't be undergoing we can't be undergoing you can't be undergoing they can't be undergoing
Perfecto
I can't have undergone you can't have undergone she can't have undergone we can't have undergone you can't have undergone they can't have undergone
Perfecto con V-ing
I can't have been undergoing you can't have been undergoing she can't have been undergoing we can't have been undergoing you can't have been undergoing they can't have been undergoing
Forma interrogativa
Forma simple
can I undergo? can you undergo? can she undergo? can we undergo? can you undergo? can they undergo?
Forma con V-ing
can I be undergoing? can you be undergoing? can she be undergoing? can we be undergoing? can you be undergoing? can they be undergoing?
Perfecto
can I have undergone? can you have undergone? can she have undergone? can we have undergone? can you have undergone? can they have undergone?
Perfecto con V-ing
can I have been undergoing? can you have been undergoing? can she have been undergoing? can we have been undergoing? can you have been undergoing? can they have been undergoing?
Forma interro-negativa
Forma simple
can't I undergo? can't you undergo? can't she undergo? can't we undergo? can't you undergo? can't they undergo?
Forma con V-ing
can't I be undergoing? can't you be undergoing? can't she be undergoing? can't we be undergoing? can't you be undergoing? can't they be undergoing?
Perfecto
can't I have undergone? can't you have undergone? can't she have undergone? can't we have undergone? can't you have undergone? can't they have undergone?
Perfecto con V-ing
can't I have been undergoing? can't you have been undergoing? can't she have been undergoing? can't we have been undergoing? can't you have been undergoing? can't they have been undergoing?