I may box you may box she may box we may box you may box they may box
Forma con V-ing
I may be boxing you may be boxing she may be boxing we may be boxing you may be boxing they may be boxing
Perfecto
I may have boxed you may have boxed she may have boxed we may have boxed you may have boxed they may have boxed
Perfecto con V-ing
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
Negación
Forma simple
I mayn't box you mayn't box she mayn't box we mayn't box you mayn't box they mayn't box
Forma con V-ing
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
Perfecto
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
Perfecto con V-ing
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
Forma interrogativa
Forma simple
may I box? may you box? may she box? may we box? may you box? may they box?
Forma con V-ing
may I be boxing? may you be boxing? may she be boxing? may we be boxing? may you be boxing? may they be boxing?
Perfecto
may I have boxed? may you have boxed? may she have boxed? may we have boxed? may you have boxed? may they have boxed?
Perfecto con V-ing
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?
Forma interro-negativa
Forma simple
mayn't I box? mayn't you box? mayn't she box? mayn't we box? mayn't you box? mayn't they box?
Forma con V-ing
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?
Perfecto
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?
Perfecto con V-ing
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?