I can listen you can listen she can listen we can listen you can listen they can listen
Forma con V-ing
I can be listening you can be listening she can be listening we can be listening you can be listening they can be listening
Perfecto
I can have listened you can have listened she can have listened we can have listened you can have listened they can have listened
Perfecto con V-ing
I can have been listening you can have been listening she can have been listening we can have been listening you can have been listening they can have been listening
Negación
Forma simple
I cannot listen you cannot listen she cannot listen we cannot listen you cannot listen they cannot listen
Forma con V-ing
I cannot be listening you cannot be listening she cannot be listening we cannot be listening you cannot be listening they cannot be listening
Perfecto
I cannot have listened you cannot have listened she cannot have listened we cannot have listened you cannot have listened they cannot have listened
Perfecto con V-ing
I cannot have been listening you cannot have been listening she 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 she listen? can we listen? can you listen? can they listen?
Forma con V-ing
can I be listening? can you be listening? can she be listening? can we be listening? can you be listening? can they be listening?
Perfecto
can I have listened? can you have listened? can she have listened? can we have listened? can you have listened? can they have listened?
Perfecto con V-ing
can I have been listening? can you have been listening? can she have been listening? can we have been listening? can you have been listening? can they have been listening?
Forma interro-negativa
Forma simple
can I not listen? can you not listen? can she not listen? can we not listen? can you not listen? can they not listen?
Forma con V-ing
can I not be listening? can you not be listening? can she not be listening? can we not be listening? can you not be listening? can they not be listening?
Perfecto
can I not have listened? can you not have listened? can she not have listened? can we not have listened? can you not have listened? can they not have listened?
Perfecto con V-ing
can I not have been listening? can you not have been listening? can she not have been listening? can we not have been listening? can you not have been listening? can they not have been listening?