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