I can mail you can mail she can mail we can mail you can mail they can mail
Forma con V-ing
I can be mailing you can be mailing she can be mailing we can be mailing you can be mailing they can be mailing
Perfecto
I can have mailed you can have mailed she can have mailed we can have mailed you can have mailed they can have mailed
Perfecto con V-ing
I can have been mailing you can have been mailing she can have been mailing we can have been mailing you can have been mailing they can have been mailing
Negación
Forma simple
I cannot mail you cannot mail she cannot mail we cannot mail you cannot mail they cannot mail
Forma con V-ing
I cannot be mailing you cannot be mailing she cannot be mailing we cannot be mailing you cannot be mailing they cannot be mailing
Perfecto
I cannot have mailed you cannot have mailed she cannot have mailed we cannot have mailed you cannot have mailed they cannot have mailed
Perfecto con V-ing
I cannot have been mailing you cannot have been mailing she cannot have been mailing we cannot have been mailing you cannot have been mailing they cannot have been mailing
Forma interrogativa
Forma simple
can I mail? can you mail? can she mail? can we mail? can you mail? can they mail?
Forma con V-ing
can I be mailing? can you be mailing? can she be mailing? can we be mailing? can you be mailing? can they be mailing?
Perfecto
can I have mailed? can you have mailed? can she have mailed? can we have mailed? can you have mailed? can they have mailed?
Perfecto con V-ing
can I have been mailing? can you have been mailing? can she have been mailing? can we have been mailing? can you have been mailing? can they have been mailing?
Forma interro-negativa
Forma simple
can I not mail? can you not mail? can she not mail? can we not mail? can you not mail? can they not mail?
Forma con V-ing
can I not be mailing? can you not be mailing? can she not be mailing? can we not be mailing? can you not be mailing? can they not be mailing?
Perfecto
can I not have mailed? can you not have mailed? can she not have mailed? can we not have mailed? can you not have mailed? can they not have mailed?
Perfecto con V-ing
can I not have been mailing? can you not have been mailing? can she not have been mailing? can we not have been mailing? can you not have been mailing? can they not have been mailing?