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