may case
Regular verb: case - cased- cased

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may case
you may case
she may case
we may case
you may case
they may case 	I may be casing
you may be casing
she may be casing
we may be casing
you may be casing
they may be casing	I may have cased
you may have cased
she may have cased
we may have cased
you may have cased
they may have cased	I may have been casing
you may have been casing
she may have been casing
we may have been casing
you may have been casing
they may have been casing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't case
you mayn't case
she mayn't case
we mayn't case
you mayn't case
they mayn't case 	I mayn't be casing
you mayn't be casing
she mayn't be casing
we mayn't be casing
you mayn't be casing
they mayn't be casing	I mayn't have cased
you mayn't have cased
she mayn't have cased
we mayn't have cased
you mayn't have cased
they mayn't have cased	I mayn't have been casing
you mayn't have been casing
she mayn't have been casing
we mayn't have been casing
you mayn't have been casing
they mayn't have been casing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I case?
may you case?
may she case?
may we case?
may you case?
may they case? 	may I be casing?
may you be casing?
may she be casing?
may we be casing?
may you be casing?
may they be casing? 	may I have cased?
may you have cased?
may she have cased?
may we have cased?
may you have cased?
may they have cased? 	may I have been casing?
may you have been casing?
may she have been casing?
may we have been casing?
may you have been casing?
may they have been casing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I case?
mayn't you case?
mayn't she case?
mayn't we case?
mayn't you case?
mayn't they case? 	mayn't I be casing?
mayn't you be casing?
mayn't she be casing?
mayn't we be casing?
mayn't you be casing?
mayn't they be casing? 	mayn't I have cased?
mayn't you have cased?
mayn't she have cased?
mayn't we have cased?
mayn't you have cased?
mayn't they have cased? 	mayn't I have been casing?
mayn't you have been casing?
mayn't she have been casing?
mayn't we have been casing?
mayn't you have been casing?
mayn't they have been casing?