I may curse you may curse he may curse we may curse you may curse they may curse
V-ing form
I may be cursing you may be cursing he may be cursing we may be cursing you may be cursing they may be cursing
Perfect
I may have cursed you may have cursed he may have cursed we may have cursed you may have cursed they may have cursed
V-ing perfect
I may have been cursing you may have been cursing he may have been cursing we may have been cursing you may have been cursing they may have been cursing
Negation
Simple form
I may not curse you may not curse he may not curse we may not curse you may not curse they may not curse
V-ing form
I may not be cursing you may not be cursing he may not be cursing we may not be cursing you may not be cursing they may not be cursing
Perfect
I may not have cursed you may not have cursed he may not have cursed we may not have cursed you may not have cursed they may not have cursed
V-ing perfect
I may not have been cursing you may not have been cursing he may not have been cursing we may not have been cursing you may not have been cursing they may not have been cursing
Interrogative form
Simple form
may I curse? may you curse? may he curse? may we curse? may you curse? may they curse?
V-ing form
may I be cursing? may you be cursing? may he be cursing? may we be cursing? may you be cursing? may they be cursing?
Perfect
may I have cursed? may you have cursed? may he have cursed? may we have cursed? may you have cursed? may they have cursed?
V-ing perfect
may I have been cursing? may you have been cursing? may he have been cursing? may we have been cursing? may you have been cursing? may they have been cursing?
Interro-negative form
Simple form
may I not curse? may you not curse? may he not curse? may we not curse? may you not curse? may they not curse?
V-ing form
may I not be cursing? may you not be cursing? may he not be cursing? may we not be cursing? may you not be cursing? may they not be cursing?
Perfect
may I not have cursed? may you not have cursed? may he not have cursed? may we not have cursed? may you not have cursed? may they not have cursed?
V-ing perfect
may I not have been cursing? may you not have been cursing? may he not have been cursing? may we not have been cursing? may you not have been cursing? may they not have been cursing?