may overstudy
Regular verb: overstudy - overstudied- overstudied

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may overstudy
you may overstudy
she may overstudy
we may overstudy
you may overstudy
they may overstudy 	I may be overstudying
you may be overstudying
she may be overstudying
we may be overstudying
you may be overstudying
they may be overstudying	I may have overstudied
you may have overstudied
she may have overstudied
we may have overstudied
you may have overstudied
they may have overstudied	I may have been overstudying
you may have been overstudying
she may have been overstudying
we may have been overstudying
you may have been overstudying
they may have been overstudying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't overstudy
you mayn't overstudy
she mayn't overstudy
we mayn't overstudy
you mayn't overstudy
they mayn't overstudy 	I mayn't be overstudying
you mayn't be overstudying
she mayn't be overstudying
we mayn't be overstudying
you mayn't be overstudying
they mayn't be overstudying	I mayn't have overstudied
you mayn't have overstudied
she mayn't have overstudied
we mayn't have overstudied
you mayn't have overstudied
they mayn't have overstudied	I mayn't have been overstudying
you mayn't have been overstudying
she mayn't have been overstudying
we mayn't have been overstudying
you mayn't have been overstudying
they mayn't have been overstudying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I overstudy?
may you overstudy?
may she overstudy?
may we overstudy?
may you overstudy?
may they overstudy? 	may I be overstudying?
may you be overstudying?
may she be overstudying?
may we be overstudying?
may you be overstudying?
may they be overstudying? 	may I have overstudied?
may you have overstudied?
may she have overstudied?
may we have overstudied?
may you have overstudied?
may they have overstudied? 	may I have been overstudying?
may you have been overstudying?
may she have been overstudying?
may we have been overstudying?
may you have been overstudying?
may they have been overstudying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I overstudy?
mayn't you overstudy?
mayn't she overstudy?
mayn't we overstudy?
mayn't you overstudy?
mayn't they overstudy? 	mayn't I be overstudying?
mayn't you be overstudying?
mayn't she be overstudying?
mayn't we be overstudying?
mayn't you be overstudying?
mayn't they be overstudying? 	mayn't I have overstudied?
mayn't you have overstudied?
mayn't she have overstudied?
mayn't we have overstudied?
mayn't you have overstudied?
mayn't they have overstudied? 	mayn't I have been overstudying?
mayn't you have been overstudying?
mayn't she have been overstudying?
mayn't we have been overstudying?
mayn't you have been overstudying?
mayn't they have been overstudying?