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