I can loo you can loo she can loo we can loo you can loo they can loo
Forma com V-ing
I can be looing you can be looing she can be looing we can be looing you can be looing they can be looing
Perfeito
I can have looed you can have looed she can have looed we can have looed you can have looed they can have looed
Perfeito com V-ing
I can have been looing you can have been looing she can have been looing we can have been looing you can have been looing they can have been looing
Negação
Forma simple
I cannot loo you cannot loo she cannot loo we cannot loo you cannot loo they cannot loo
Forma com V-ing
I cannot be looing you cannot be looing she cannot be looing we cannot be looing you cannot be looing they cannot be looing
Perfeito
I cannot have looed you cannot have looed she cannot have looed we cannot have looed you cannot have looed they cannot have looed
Perfeito com V-ing
I cannot have been looing you cannot have been looing she cannot have been looing we cannot have been looing you cannot have been looing they cannot have been looing
Forma interrogativa
Forma simple
can I loo? can you loo? can she loo? can we loo? can you loo? can they loo?
Forma com V-ing
can I be looing? can you be looing? can she be looing? can we be looing? can you be looing? can they be looing?
Perfeito
can I have looed? can you have looed? can she have looed? can we have looed? can you have looed? can they have looed?
Perfeito com V-ing
can I have been looing? can you have been looing? can she have been looing? can we have been looing? can you have been looing? can they have been looing?
Forma interro-Negação
Forma simple
can I not loo? can you not loo? can she not loo? can we not loo? can you not loo? can they not loo?
Forma com V-ing
can I not be looing? can you not be looing? can she not be looing? can we not be looing? can you not be looing? can they not be looing?
Perfeito
can I not have looed? can you not have looed? can she not have looed? can we not have looed? can you not have looed? can they not have looed?
Perfeito com V-ing
can I not have been looing? can you not have been looing? can she not have been looing? can we not have been looing? can you not have been looing? can they not have been looing?