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 may not box you may not box he may not box we may not box you may not box they may not box	I may not be boxing you may not be boxing he may not be boxing we may not be boxing you may not be boxing they may not be boxing
Perfect	V-ing perfect
I may not have boxed you may not have boxed he may not have boxed we may not have boxed you may not have boxed they may not have boxed	I may not have been boxing you may not have been boxing he may not have been boxing we may not have been boxing you may not have been boxing they may not 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
may I not box? may you not box? may he not box? may we not box? may you not box? may they not box?	may I not be boxing? may you not be boxing? may he not be boxing? may we not be boxing? may you not be boxing? may they not be boxing?
Perfect	V-ing perfect
may I not have boxed? may you not have boxed? may he not have boxed? may we not have boxed? may you not have boxed? may they not have boxed?	may I not have been boxing? may you not have been boxing? may he not have been boxing? may we not have been boxing? may you not have been boxing? may they not have been boxing?