may overstress
Regular verb: overstress - overstressed- overstressed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may overstress
you may overstress
he may overstress
we may overstress
you may overstress
they may overstress 	I may be overstressing
you may be overstressing
he may be overstressing
we may be overstressing
you may be overstressing
they may be overstressing	I may have overstressed
you may have overstressed
he 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
he 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
he 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
he 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
he 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
he 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 he overstress?
may we overstress?
may you overstress?
may they overstress? 	may I be overstressing?
may you be overstressing?
may he be overstressing?
may we be overstressing?
may you be overstressing?
may they be overstressing? 	may I have overstressed?
may you have overstressed?
may he 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 he 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 he 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 he 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 he 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 he have been overstressing?
mayn't we have been overstressing?
mayn't you have been overstressing?
mayn't they have been overstressing?