I may end you may end he may end we may end you may end they may end
V-ing form
I may be ending you may be ending he may be ending we may be ending you may be ending they may be ending
Perfect
I may have ended you may have ended he may have ended we may have ended you may have ended they may have ended
V-ing perfect
I may have been ending you may have been ending he may have been ending we may have been ending you may have been ending they may have been ending
Negation
Simple form
I mayn't end you mayn't end he mayn't end we mayn't end you mayn't end they mayn't end
V-ing form
I mayn't be ending you mayn't be ending he mayn't be ending we mayn't be ending you mayn't be ending they mayn't be ending
Perfect
I mayn't have ended you mayn't have ended he mayn't have ended we mayn't have ended you mayn't have ended they mayn't have ended
V-ing perfect
I mayn't have been ending you mayn't have been ending he mayn't have been ending we mayn't have been ending you mayn't have been ending they mayn't have been ending
Interrogative form
Simple form
may I end? may you end? may he end? may we end? may you end? may they end?
V-ing form
may I be ending? may you be ending? may he be ending? may we be ending? may you be ending? may they be ending?
Perfect
may I have ended? may you have ended? may he have ended? may we have ended? may you have ended? may they have ended?
V-ing perfect
may I have been ending? may you have been ending? may he have been ending? may we have been ending? may you have been ending? may they have been ending?
Interro-negative form
Simple form
mayn't I end? mayn't you end? mayn't he end? mayn't we end? mayn't you end? mayn't they end?
V-ing form
mayn't I be ending? mayn't you be ending? mayn't he be ending? mayn't we be ending? mayn't you be ending? mayn't they be ending?
Perfect
mayn't I have ended? mayn't you have ended? mayn't he have ended? mayn't we have ended? mayn't you have ended? mayn't they have ended?
V-ing perfect
mayn't I have been ending? mayn't you have been ending? mayn't he have been ending? mayn't we have been ending? mayn't you have been ending? mayn't they have been ending?