may box
Regular verb: box - boxed- boxed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may box
you may box
she may box
we may box
you may box
they may box 	I may be boxing
you may be boxing
she may be boxing
we may be boxing
you may be boxing
they may be boxing	I may have boxed
you may have boxed
she may have boxed
we may have boxed
you may have boxed
they may have boxed	I may have been boxing
you may have been boxing
she may have been boxing
we may have been boxing
you may have been boxing
they may have been boxing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't box
you mayn't box
she mayn't box
we mayn't box
you mayn't box
they mayn't box 	I mayn't be boxing
you mayn't be boxing
she mayn't be boxing
we mayn't be boxing
you mayn't be boxing
they mayn't be boxing	I mayn't have boxed
you mayn't have boxed
she mayn't have boxed
we mayn't have boxed
you mayn't have boxed
they mayn't have boxed	I mayn't have been boxing
you mayn't have been boxing
she mayn't have been boxing
we mayn't have been boxing
you mayn't have been boxing
they mayn't have been boxing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I box?
may you box?
may she box?
may we box?
may you box?
may they box? 	may I be boxing?
may you be boxing?
may she be boxing?
may we be boxing?
may you be boxing?
may they be boxing? 	may I have boxed?
may you have boxed?
may she have boxed?
may we have boxed?
may you have boxed?
may they have boxed? 	may I have been boxing?
may you have been boxing?
may she have been boxing?
may we have been boxing?
may you have been boxing?
may they have been boxing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I box?
mayn't you box?
mayn't she box?
mayn't we box?
mayn't you box?
mayn't they box? 	mayn't I be boxing?
mayn't you be boxing?
mayn't she be boxing?
mayn't we be boxing?
mayn't you be boxing?
mayn't they be boxing? 	mayn't I have boxed?
mayn't you have boxed?
mayn't she have boxed?
mayn't we have boxed?
mayn't you have boxed?
mayn't they have boxed? 	mayn't I have been boxing?
mayn't you have been boxing?
mayn't she have been boxing?
mayn't we have been boxing?
mayn't you have been boxing?
mayn't they have been boxing?