I must mail you must mail he must mail we must mail you must mail they must mail
Forma com V-ing
I must be mailing you must be mailing he must be mailing we must be mailing you must be mailing they must be mailing
Perfeito
I must have mailed you must have mailed he must have mailed we must have mailed you must have mailed they must have mailed
Perfeito com V-ing
I must have been mailing you must have been mailing he must have been mailing we must have been mailing you must have been mailing they must have been mailing
Negação
Forma simple
I must not mail you must not mail he must not mail we must not mail you must not mail they must not mail
Forma com V-ing
I must not be mailing you must not be mailing he must not be mailing we must not be mailing you must not be mailing they must not be mailing
Perfeito
I must not have mailed you must not have mailed he must not have mailed we must not have mailed you must not have mailed they must not have mailed
Perfeito com V-ing
I must not have been mailing you must not have been mailing he must not have been mailing we must not have been mailing you must not have been mailing they must not have been mailing
Forma interrogativa
Forma simple
must I mail? must you mail? must he mail? must we mail? must you mail? must they mail?
Forma com V-ing
must I be mailing? must you be mailing? must he be mailing? must we be mailing? must you be mailing? must they be mailing?
Perfeito
must I have mailed? must you have mailed? must he have mailed? must we have mailed? must you have mailed? must they have mailed?
Perfeito com V-ing
must I have been mailing? must you have been mailing? must he have been mailing? must we have been mailing? must you have been mailing? must they have been mailing?
Forma interro-Negação
Forma simple
must I not mail? must you not mail? must he not mail? must we not mail? must you not mail? must they not mail?
Forma com V-ing
must I not be mailing? must you not be mailing? must he not be mailing? must we not be mailing? must you not be mailing? must they not be mailing?
Perfeito
must I not have mailed? must you not have mailed? must he not have mailed? must we not have mailed? must you not have mailed? must they not have mailed?
Perfeito com V-ing
must I not have been mailing? must you not have been mailing? must he not have been mailing? must we not have been mailing? must you not have been mailing? must they not have been mailing?