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