I may oil you may oil she may oil we may oil you may oil they may oil
V-ing form
I may be oiling you may be oiling she may be oiling we may be oiling you may be oiling they may be oiling
Perfect
I may have oiled you may have oiled she 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 she 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 she 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 she 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 she 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 she 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 she oil? may we oil? may you oil? may they oil?
V-ing form
may I be oiling? may you be oiling? may she be oiling? may we be oiling? may you be oiling? may they be oiling?
Perfect
may I have oiled? may you have oiled? may she 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 she 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 she 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 she 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 she 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 she have been oiling? mayn't we have been oiling? mayn't you have been oiling? mayn't they have been oiling?