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