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