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