I may advertise you may advertise he may advertise we may advertise you may advertise they may advertise
V-ing form
I may be advertising you may be advertising he may be advertising we may be advertising you may be advertising they may be advertising
Perfect
I may have advertised you may have advertised he may have advertised we may have advertised you may have advertised they may have advertised
V-ing perfect
I may have been advertising you may have been advertising he may have been advertising we may have been advertising you may have been advertising they may have been advertising
Negation
Simple form
I may not advertise you may not advertise he may not advertise we may not advertise you may not advertise they may not advertise
V-ing form
I may not be advertising you may not be advertising he may not be advertising we may not be advertising you may not be advertising they may not be advertising
Perfect
I may not have advertised you may not have advertised he may not have advertised we may not have advertised you may not have advertised they may not have advertised
V-ing perfect
I may not have been advertising you may not have been advertising he may not have been advertising we may not have been advertising you may not have been advertising they may not have been advertising
Interrogative form
Simple form
may I advertise? may you advertise? may he advertise? may we advertise? may you advertise? may they advertise?
V-ing form
may I be advertising? may you be advertising? may he be advertising? may we be advertising? may you be advertising? may they be advertising?
Perfect
may I have advertised? may you have advertised? may he have advertised? may we have advertised? may you have advertised? may they have advertised?
V-ing perfect
may I have been advertising? may you have been advertising? may he have been advertising? may we have been advertising? may you have been advertising? may they have been advertising?
Interro-negative form
Simple form
may I not advertise? may you not advertise? may he not advertise? may we not advertise? may you not advertise? may they not advertise?
V-ing form
may I not be advertising? may you not be advertising? may he not be advertising? may we not be advertising? may you not be advertising? may they not be advertising?
Perfect
may I not have advertised? may you not have advertised? may he not have advertised? may we not have advertised? may you not have advertised? may they not have advertised?
V-ing perfect
may I not have been advertising? may you not have been advertising? may he not have been advertising? may we not have been advertising? may you not have been advertising? may they not have been advertising?