I can publish you can publish he can publish we can publish you can publish they can publish
Forma con V-ing
I can be publishing you can be publishing he can be publishing we can be publishing you can be publishing they can be publishing
Perfecto
I can have published you can have published he can have published we can have published you can have published they can have published
Perfecto con V-ing
I can have been publishing you can have been publishing he can have been publishing we can have been publishing you can have been publishing they can have been publishing
Negación
Forma simple
I cannot publish you cannot publish he cannot publish we cannot publish you cannot publish they cannot publish
Forma con V-ing
I cannot be publishing you cannot be publishing he cannot be publishing we cannot be publishing you cannot be publishing they cannot be publishing
Perfecto
I cannot have published you cannot have published he cannot have published we cannot have published you cannot have published they cannot have published
Perfecto con V-ing
I cannot have been publishing you cannot have been publishing he cannot have been publishing we cannot have been publishing you cannot have been publishing they cannot have been publishing
Forma interrogativa
Forma simple
can I publish? can you publish? can he publish? can we publish? can you publish? can they publish?
Forma con V-ing
can I be publishing? can you be publishing? can he be publishing? can we be publishing? can you be publishing? can they be publishing?
Perfecto
can I have published? can you have published? can he have published? can we have published? can you have published? can they have published?
Perfecto con V-ing
can I have been publishing? can you have been publishing? can he have been publishing? can we have been publishing? can you have been publishing? can they have been publishing?
Forma interro-negativa
Forma simple
can I not publish? can you not publish? can he not publish? can we not publish? can you not publish? can they not publish?
Forma con V-ing
can I not be publishing? can you not be publishing? can he not be publishing? can we not be publishing? can you not be publishing? can they not be publishing?
Perfecto
can I not have published? can you not have published? can he not have published? can we not have published? can you not have published? can they not have published?
Perfecto con V-ing
can I not have been publishing? can you not have been publishing? can he not have been publishing? can we not have been publishing? can you not have been publishing? can they not have been publishing?