I can loo you can loo he can loo we can loo you can loo they can loo
Forma con V-ing
I can be looing you can be looing he can be looing we can be looing you can be looing they can be looing
Perfecto
I can have looed you can have looed he can have looed we can have looed you can have looed they can have looed
Perfecto con V-ing
I can have been looing you can have been looing he can have been looing we can have been looing you can have been looing they can have been looing
Negación
Forma simple
I can't loo you can't loo he can't loo we can't loo you can't loo they can't loo
Forma con V-ing
I can't be looing you can't be looing he can't be looing we can't be looing you can't be looing they can't be looing
Perfecto
I can't have looed you can't have looed he can't have looed we can't have looed you can't have looed they can't have looed
Perfecto con V-ing
I can't have been looing you can't have been looing he can't have been looing we can't have been looing you can't have been looing they can't have been looing
Forma interrogativa
Forma simple
can I loo? can you loo? can he loo? can we loo? can you loo? can they loo?
Forma con V-ing
can I be looing? can you be looing? can he be looing? can we be looing? can you be looing? can they be looing?
Perfecto
can I have looed? can you have looed? can he have looed? can we have looed? can you have looed? can they have looed?
Perfecto con V-ing
can I have been looing? can you have been looing? can he have been looing? can we have been looing? can you have been looing? can they have been looing?
Forma interro-negativa
Forma simple
can't I loo? can't you loo? can't he loo? can't we loo? can't you loo? can't they loo?
Forma con V-ing
can't I be looing? can't you be looing? can't he be looing? can't we be looing? can't you be looing? can't they be looing?
Perfecto
can't I have looed? can't you have looed? can't he have looed? can't we have looed? can't you have looed? can't they have looed?
Perfecto con V-ing
can't I have been looing? can't you have been looing? can't he have been looing? can't we have been looing? can't you have been looing? can't they have been looing?