I can listen you can listen he can listen we can listen you can listen they can listen
Forma com V-ing
I can be listening you can be listening he can be listening we can be listening you can be listening they can be listening
Perfeito
I can have listened you can have listened he can have listened we can have listened you can have listened they can have listened
Perfeito com V-ing
I can have been listening you can have been listening he can have been listening we can have been listening you can have been listening they can have been listening
Negação
Forma simple
I cannot listen you cannot listen he cannot listen we cannot listen you cannot listen they cannot listen
Forma com V-ing
I cannot be listening you cannot be listening he cannot be listening we cannot be listening you cannot be listening they cannot be listening
Perfeito
I cannot have listened you cannot have listened he cannot have listened we cannot have listened you cannot have listened they cannot have listened
Perfeito com V-ing
I cannot have been listening you cannot have been listening he cannot have been listening we cannot have been listening you cannot have been listening they cannot have been listening
Forma interrogativa
Forma simple
can I listen? can you listen? can he listen? can we listen? can you listen? can they listen?
Forma com V-ing
can I be listening? can you be listening? can he be listening? can we be listening? can you be listening? can they be listening?
Perfeito
can I have listened? can you have listened? can he have listened? can we have listened? can you have listened? can they have listened?
Perfeito com V-ing
can I have been listening? can you have been listening? can he have been listening? can we have been listening? can you have been listening? can they have been listening?
Forma interro-Negação
Forma simple
can I not listen? can you not listen? can he not listen? can we not listen? can you not listen? can they not listen?
Forma com V-ing
can I not be listening? can you not be listening? can he not be listening? can we not be listening? can you not be listening? can they not be listening?
Perfeito
can I not have listened? can you not have listened? can he not have listened? can we not have listened? can you not have listened? can they not have listened?
Perfeito com V-ing
can I not have been listening? can you not have been listening? can he not have been listening? can we not have been listening? can you not have been listening? can they not have been listening?