I can coo you can coo he can coo we can coo you can coo they can coo
Forma com V-ing
I can be cooing you can be cooing he can be cooing we can be cooing you can be cooing they can be cooing
Perfeito
I can have cooed you can have cooed he can have cooed we can have cooed you can have cooed they can have cooed
Perfeito com V-ing
I can have been cooing you can have been cooing he can have been cooing we can have been cooing you can have been cooing they can have been cooing
Negação
Forma simple
I cannot coo you cannot coo he cannot coo we cannot coo you cannot coo they cannot coo
Forma com V-ing
I cannot be cooing you cannot be cooing he cannot be cooing we cannot be cooing you cannot be cooing they cannot be cooing
Perfeito
I cannot have cooed you cannot have cooed he cannot have cooed we cannot have cooed you cannot have cooed they cannot have cooed
Perfeito com V-ing
I cannot have been cooing you cannot have been cooing he cannot have been cooing we cannot have been cooing you cannot have been cooing they cannot have been cooing
Forma interrogativa
Forma simple
can I coo? can you coo? can he coo? can we coo? can you coo? can they coo?
Forma com V-ing
can I be cooing? can you be cooing? can he be cooing? can we be cooing? can you be cooing? can they be cooing?
Perfeito
can I have cooed? can you have cooed? can he have cooed? can we have cooed? can you have cooed? can they have cooed?
Perfeito com V-ing
can I have been cooing? can you have been cooing? can he have been cooing? can we have been cooing? can you have been cooing? can they have been cooing?
Forma interro-Negação
Forma simple
can I not coo? can you not coo? can he not coo? can we not coo? can you not coo? can they not coo?
Forma com V-ing
can I not be cooing? can you not be cooing? can he not be cooing? can we not be cooing? can you not be cooing? can they not be cooing?
Perfeito
can I not have cooed? can you not have cooed? can he not have cooed? can we not have cooed? can you not have cooed? can they not have cooed?
Perfeito com V-ing
can I not have been cooing? can you not have been cooing? can he not have been cooing? can we not have been cooing? can you not have been cooing? can they not have been cooing?