may overdiscount
Regular verb: overdiscount - overdiscounted- overdiscounted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may overdiscount
you may overdiscount
he may overdiscount
we may overdiscount
you may overdiscount
they may overdiscount 	I may be overdiscounting
you may be overdiscounting
he may be overdiscounting
we may be overdiscounting
you may be overdiscounting
they may be overdiscounting	I may have overdiscounted
you may have overdiscounted
he may have overdiscounted
we may have overdiscounted
you may have overdiscounted
they may have overdiscounted	I may have been overdiscounting
you may have been overdiscounting
he may have been overdiscounting
we may have been overdiscounting
you may have been overdiscounting
they may have been overdiscounting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't overdiscount
you mayn't overdiscount
he mayn't overdiscount
we mayn't overdiscount
you mayn't overdiscount
they mayn't overdiscount 	I mayn't be overdiscounting
you mayn't be overdiscounting
he mayn't be overdiscounting
we mayn't be overdiscounting
you mayn't be overdiscounting
they mayn't be overdiscounting	I mayn't have overdiscounted
you mayn't have overdiscounted
he mayn't have overdiscounted
we mayn't have overdiscounted
you mayn't have overdiscounted
they mayn't have overdiscounted	I mayn't have been overdiscounting
you mayn't have been overdiscounting
he mayn't have been overdiscounting
we mayn't have been overdiscounting
you mayn't have been overdiscounting
they mayn't have been overdiscounting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I overdiscount?
may you overdiscount?
may he overdiscount?
may we overdiscount?
may you overdiscount?
may they overdiscount? 	may I be overdiscounting?
may you be overdiscounting?
may he be overdiscounting?
may we be overdiscounting?
may you be overdiscounting?
may they be overdiscounting? 	may I have overdiscounted?
may you have overdiscounted?
may he have overdiscounted?
may we have overdiscounted?
may you have overdiscounted?
may they have overdiscounted? 	may I have been overdiscounting?
may you have been overdiscounting?
may he have been overdiscounting?
may we have been overdiscounting?
may you have been overdiscounting?
may they have been overdiscounting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I overdiscount?
mayn't you overdiscount?
mayn't he overdiscount?
mayn't we overdiscount?
mayn't you overdiscount?
mayn't they overdiscount? 	mayn't I be overdiscounting?
mayn't you be overdiscounting?
mayn't he be overdiscounting?
mayn't we be overdiscounting?
mayn't you be overdiscounting?
mayn't they be overdiscounting? 	mayn't I have overdiscounted?
mayn't you have overdiscounted?
mayn't he have overdiscounted?
mayn't we have overdiscounted?
mayn't you have overdiscounted?
mayn't they have overdiscounted? 	mayn't I have been overdiscounting?
mayn't you have been overdiscounting?
mayn't he have been overdiscounting?
mayn't we have been overdiscounting?
mayn't you have been overdiscounting?
mayn't they have been overdiscounting?