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