I may read you may read he may read we may read you may read they may read
V-ing form
I may be reading you may be reading he may be reading we may be reading you may be reading they may be reading
Perfect
I may have read you may have read he 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 he may have been reading we may have been reading you may have been reading they may have been reading
Negation
Simple form
I may not read you may not read he may not read we may not read you may not read they may not read
V-ing form
I may not be reading you may not be reading he may not be reading we may not be reading you may not be reading they may not be reading
Perfect
I may not have read you may not have read he may not have read we may not have read you may not have read they may not have read
V-ing perfect
I may not have been reading you may not have been reading he may not have been reading we may not have been reading you may not have been reading they may not have been reading
Interrogative form
Simple form
may I read? may you read? may he read? may we read? may you read? may they read?
V-ing form
may I be reading? may you be reading? may he be reading? may we be reading? may you be reading? may they be reading?
Perfect
may I have read? may you have read? may he 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 he have been reading? may we have been reading? may you have been reading? may they have been reading?
Interro-negative form
Simple form
may I not read? may you not read? may he not read? may we not read? may you not read? may they not read?
V-ing form
may I not be reading? may you not be reading? may he not be reading? may we not be reading? may you not be reading? may they not be reading?
Perfect
may I not have read? may you not have read? may he not have read? may we not have read? may you not have read? may they not have read?
V-ing perfect
may I not have been reading? may you not have been reading? may he not have been reading? may we not have been reading? may you not have been reading? may they not have been reading?