may study
Regular verb: study - studied- studied

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may study
you may study
she may study
we may study
you may study
they may study 	I may be studying
you may be studying
she may be studying
we may be studying
you may be studying
they may be studying	I may have studied
you may have studied
she may have studied
we may have studied
you may have studied
they may have studied	I may have been studying
you may have been studying
she may have been studying
we may have been studying
you may have been studying
they may have been studying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't study
you mayn't study
she mayn't study
we mayn't study
you mayn't study
they mayn't study 	I mayn't be studying
you mayn't be studying
she mayn't be studying
we mayn't be studying
you mayn't be studying
they mayn't be studying	I mayn't have studied
you mayn't have studied
she mayn't have studied
we mayn't have studied
you mayn't have studied
they mayn't have studied	I mayn't have been studying
you mayn't have been studying
she mayn't have been studying
we mayn't have been studying
you mayn't have been studying
they mayn't have been studying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I study?
may you study?
may she study?
may we study?
may you study?
may they study? 	may I be studying?
may you be studying?
may she be studying?
may we be studying?
may you be studying?
may they be studying? 	may I have studied?
may you have studied?
may she have studied?
may we have studied?
may you have studied?
may they have studied? 	may I have been studying?
may you have been studying?
may she have been studying?
may we have been studying?
may you have been studying?
may they have been studying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I study?
mayn't you study?
mayn't she study?
mayn't we study?
mayn't you study?
mayn't they study? 	mayn't I be studying?
mayn't you be studying?
mayn't she be studying?
mayn't we be studying?
mayn't you be studying?
mayn't they be studying? 	mayn't I have studied?
mayn't you have studied?
mayn't she have studied?
mayn't we have studied?
mayn't you have studied?
mayn't they have studied? 	mayn't I have been studying?
mayn't you have been studying?
mayn't she have been studying?
mayn't we have been studying?
mayn't you have been studying?
mayn't they have been studying?