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