English verb conjugation
MAY BOX

Regular verb: box - boxed - boxed

Affirmation

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