I may work you may work she may work we may work you may work they may work
V-ing form
I may be working you may be working she may be working we may be working you may be working they may be working
Perfect
I may have worked you may have worked she may have worked we may have worked you may have worked they may have worked
V-ing perfect
I may have been working you may have been working she may have been working we may have been working you may have been working they may have been working
Negation
Simple form
I may not work you may not work she may not work we may not work you may not work they may not work
V-ing form
I may not be working you may not be working she may not be working we may not be working you may not be working they may not be working
Perfect
I may not have worked you may not have worked she may not have worked we may not have worked you may not have worked they may not have worked
V-ing perfect
I may not have been working you may not have been working she may not have been working we may not have been working you may not have been working they may not have been working
Interrogative form
Simple form
may I work? may you work? may she work? may we work? may you work? may they work?
V-ing form
may I be working? may you be working? may she be working? may we be working? may you be working? may they be working?
Perfect
may I have worked? may you have worked? may she have worked? may we have worked? may you have worked? may they have worked?
V-ing perfect
may I have been working? may you have been working? may she have been working? may we have been working? may you have been working? may they have been working?
Interro-negative form
Simple form
may I not work? may you not work? may she not work? may we not work? may you not work? may they not work?
V-ing form
may I not be working? may you not be working? may she not be working? may we not be working? may you not be working? may they not be working?
Perfect
may I not have worked? may you not have worked? may she not have worked? may we not have worked? may you not have worked? may they not have worked?
V-ing perfect
may I not have been working? may you not have been working? may she not have been working? may we not have been working? may you not have been working? may they not have been working?