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