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