I may fire you may fire she may fire we may fire you may fire they may fire
V-ing form
I may be firing you may be firing she may be firing we may be firing you may be firing they may be firing
Perfect
I may have fired you may have fired she may have fired we may have fired you may have fired they may have fired
V-ing perfect
I may have been firing you may have been firing she may have been firing we may have been firing you may have been firing they may have been firing
Negation
Simple form
I mayn't fire you mayn't fire she mayn't fire we mayn't fire you mayn't fire they mayn't fire
V-ing form
I mayn't be firing you mayn't be firing she mayn't be firing we mayn't be firing you mayn't be firing they mayn't be firing
Perfect
I mayn't have fired you mayn't have fired she mayn't have fired we mayn't have fired you mayn't have fired they mayn't have fired
V-ing perfect
I mayn't have been firing you mayn't have been firing she mayn't have been firing we mayn't have been firing you mayn't have been firing they mayn't have been firing
Interrogative form
Simple form
may I fire? may you fire? may she fire? may we fire? may you fire? may they fire?
V-ing form
may I be firing? may you be firing? may she be firing? may we be firing? may you be firing? may they be firing?
Perfect
may I have fired? may you have fired? may she have fired? may we have fired? may you have fired? may they have fired?
V-ing perfect
may I have been firing? may you have been firing? may she have been firing? may we have been firing? may you have been firing? may they have been firing?
Interro-negative form
Simple form
mayn't I fire? mayn't you fire? mayn't she fire? mayn't we fire? mayn't you fire? mayn't they fire?
V-ing form
mayn't I be firing? mayn't you be firing? mayn't she be firing? mayn't we be firing? mayn't you be firing? mayn't they be firing?
Perfect
mayn't I have fired? mayn't you have fired? mayn't she have fired? mayn't we have fired? mayn't you have fired? mayn't they have fired?
V-ing perfect
mayn't I have been firing? mayn't you have been firing? mayn't she have been firing? mayn't we have been firing? mayn't you have been firing? mayn't they have been firing?