I may exercise you may exercise she may exercise we may exercise you may exercise they may exercise
V-ing form
I may be exercising you may be exercising she may be exercising we may be exercising you may be exercising they may be exercising
Perfect
I may have exercised you may have exercised she may have exercised we may have exercised you may have exercised they may have exercised
V-ing perfect
I may have been exercising you may have been exercising she may have been exercising we may have been exercising you may have been exercising they may have been exercising
Negation
Simple form
I mayn't exercise you mayn't exercise she mayn't exercise we mayn't exercise you mayn't exercise they mayn't exercise
V-ing form
I mayn't be exercising you mayn't be exercising she mayn't be exercising we mayn't be exercising you mayn't be exercising they mayn't be exercising
Perfect
I mayn't have exercised you mayn't have exercised she mayn't have exercised we mayn't have exercised you mayn't have exercised they mayn't have exercised
V-ing perfect
I mayn't have been exercising you mayn't have been exercising she mayn't have been exercising we mayn't have been exercising you mayn't have been exercising they mayn't have been exercising
Interrogative form
Simple form
may I exercise? may you exercise? may she exercise? may we exercise? may you exercise? may they exercise?
V-ing form
may I be exercising? may you be exercising? may she be exercising? may we be exercising? may you be exercising? may they be exercising?
Perfect
may I have exercised? may you have exercised? may she have exercised? may we have exercised? may you have exercised? may they have exercised?
V-ing perfect
may I have been exercising? may you have been exercising? may she have been exercising? may we have been exercising? may you have been exercising? may they have been exercising?
Interro-negative form
Simple form
mayn't I exercise? mayn't you exercise? mayn't she exercise? mayn't we exercise? mayn't you exercise? mayn't they exercise?
V-ing form
mayn't I be exercising? mayn't you be exercising? mayn't she be exercising? mayn't we be exercising? mayn't you be exercising? mayn't they be exercising?
Perfect
mayn't I have exercised? mayn't you have exercised? mayn't she have exercised? mayn't we have exercised? mayn't you have exercised? mayn't they have exercised?
V-ing perfect
mayn't I have been exercising? mayn't you have been exercising? mayn't she have been exercising? mayn't we have been exercising? mayn't you have been exercising? mayn't they have been exercising?