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