I may mail you may mail she may mail we may mail you may mail they may mail
V-ing form
I may be mailing you may be mailing she may be mailing we may be mailing you may be mailing they may be mailing
Perfect
I may have mailed you may have mailed she may have mailed we may have mailed you may have mailed they may have mailed
V-ing perfect
I may have been mailing you may have been mailing she may have been mailing we may have been mailing you may have been mailing they may have been mailing
Negation
Simple form
I may not mail you may not mail she may not mail we may not mail you may not mail they may not mail
V-ing form
I may not be mailing you may not be mailing she may not be mailing we may not be mailing you may not be mailing they may not be mailing
Perfect
I may not have mailed you may not have mailed she may not have mailed we may not have mailed you may not have mailed they may not have mailed
V-ing perfect
I may not have been mailing you may not have been mailing she may not have been mailing we may not have been mailing you may not have been mailing they may not have been mailing
Interrogative form
Simple form
may I mail? may you mail? may she mail? may we mail? may you mail? may they mail?
V-ing form
may I be mailing? may you be mailing? may she be mailing? may we be mailing? may you be mailing? may they be mailing?
Perfect
may I have mailed? may you have mailed? may she have mailed? may we have mailed? may you have mailed? may they have mailed?
V-ing perfect
may I have been mailing? may you have been mailing? may she have been mailing? may we have been mailing? may you have been mailing? may they have been mailing?
Interro-negative form
Simple form
may I not mail? may you not mail? may she not mail? may we not mail? may you not mail? may they not mail?
V-ing form
may I not be mailing? may you not be mailing? may she not be mailing? may we not be mailing? may you not be mailing? may they not be mailing?
Perfect
may I not have mailed? may you not have mailed? may she not have mailed? may we not have mailed? may you not have mailed? may they not have mailed?
V-ing perfect
may I not have been mailing? may you not have been mailing? may she not have been mailing? may we not have been mailing? may you not have been mailing? may they not have been mailing?