may overstress
Regular verb: overstress - overstressed- overstressed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may overstress
you may overstress
she may overstress
we may overstress
you may overstress
they may overstress 	I may be overstressing
you may be overstressing
she may be overstressing
we may be overstressing
you may be overstressing
they may be overstressing	I may have overstressed
you may have overstressed
she may have overstressed
we may have overstressed
you may have overstressed
they may have overstressed	I may have been overstressing
you may have been overstressing
she may have been overstressing
we may have been overstressing
you may have been overstressing
they may have been overstressing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't overstress
you mayn't overstress
she mayn't overstress
we mayn't overstress
you mayn't overstress
they mayn't overstress 	I mayn't be overstressing
you mayn't be overstressing
she mayn't be overstressing
we mayn't be overstressing
you mayn't be overstressing
they mayn't be overstressing	I mayn't have overstressed
you mayn't have overstressed
she mayn't have overstressed
we mayn't have overstressed
you mayn't have overstressed
they mayn't have overstressed	I mayn't have been overstressing
you mayn't have been overstressing
she mayn't have been overstressing
we mayn't have been overstressing
you mayn't have been overstressing
they mayn't have been overstressing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I overstress?
may you overstress?
may she overstress?
may we overstress?
may you overstress?
may they overstress? 	may I be overstressing?
may you be overstressing?
may she be overstressing?
may we be overstressing?
may you be overstressing?
may they be overstressing? 	may I have overstressed?
may you have overstressed?
may she have overstressed?
may we have overstressed?
may you have overstressed?
may they have overstressed? 	may I have been overstressing?
may you have been overstressing?
may she have been overstressing?
may we have been overstressing?
may you have been overstressing?
may they have been overstressing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I overstress?
mayn't you overstress?
mayn't she overstress?
mayn't we overstress?
mayn't you overstress?
mayn't they overstress? 	mayn't I be overstressing?
mayn't you be overstressing?
mayn't she be overstressing?
mayn't we be overstressing?
mayn't you be overstressing?
mayn't they be overstressing? 	mayn't I have overstressed?
mayn't you have overstressed?
mayn't she have overstressed?
mayn't we have overstressed?
mayn't you have overstressed?
mayn't they have overstressed? 	mayn't I have been overstressing?
mayn't you have been overstressing?
mayn't she have been overstressing?
mayn't we have been overstressing?
mayn't you have been overstressing?
mayn't they have been overstressing?