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 can't publish you can't publish he can't publish we can't publish you can't publish they can't publish
Forma con V-ing
I can't be publishing you can't be publishing he can't be publishing we can't be publishing you can't be publishing they can't be publishing
Perfecto
I can't have published you can't have published he can't have published we can't have published you can't have published they can't have published
Perfecto con V-ing
I can't have been publishing you can't have been publishing he can't have been publishing we can't have been publishing you can't have been publishing they can't 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't I publish? can't you publish? can't he publish? can't we publish? can't you publish? can't they publish?
Forma con V-ing
can't I be publishing? can't you be publishing? can't he be publishing? can't we be publishing? can't you be publishing? can't they be publishing?
Perfecto
can't I have published? can't you have published? can't he have published? can't we have published? can't you have published? can't they have published?
Perfecto con V-ing
can't I have been publishing? can't you have been publishing? can't he have been publishing? can't we have been publishing? can't you have been publishing? can't they have been publishing?