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