may overwork
Regular verb: overwork - overworked- overworked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may overwork
you may overwork
he may overwork
we may overwork
you may overwork
they may overwork 	I may be overworking
you may be overworking
he may be overworking
we may be overworking
you may be overworking
they may be overworking	I may have overworked
you may have overworked
he may have overworked
we may have overworked
you may have overworked
they may have overworked	I may have been overworking
you may have been overworking
he may have been overworking
we may have been overworking
you may have been overworking
they may have been overworking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't overwork
you mayn't overwork
he mayn't overwork
we mayn't overwork
you mayn't overwork
they mayn't overwork 	I mayn't be overworking
you mayn't be overworking
he mayn't be overworking
we mayn't be overworking
you mayn't be overworking
they mayn't be overworking	I mayn't have overworked
you mayn't have overworked
he mayn't have overworked
we mayn't have overworked
you mayn't have overworked
they mayn't have overworked	I mayn't have been overworking
you mayn't have been overworking
he mayn't have been overworking
we mayn't have been overworking
you mayn't have been overworking
they mayn't have been overworking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I overwork?
may you overwork?
may he overwork?
may we overwork?
may you overwork?
may they overwork? 	may I be overworking?
may you be overworking?
may he be overworking?
may we be overworking?
may you be overworking?
may they be overworking? 	may I have overworked?
may you have overworked?
may he have overworked?
may we have overworked?
may you have overworked?
may they have overworked? 	may I have been overworking?
may you have been overworking?
may he have been overworking?
may we have been overworking?
may you have been overworking?
may they have been overworking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I overwork?
mayn't you overwork?
mayn't he overwork?
mayn't we overwork?
mayn't you overwork?
mayn't they overwork? 	mayn't I be overworking?
mayn't you be overworking?
mayn't he be overworking?
mayn't we be overworking?
mayn't you be overworking?
mayn't they be overworking? 	mayn't I have overworked?
mayn't you have overworked?
mayn't he have overworked?
mayn't we have overworked?
mayn't you have overworked?
mayn't they have overworked? 	mayn't I have been overworking?
mayn't you have been overworking?
mayn't he have been overworking?
mayn't we have been overworking?
mayn't you have been overworking?
mayn't they have been overworking?