I may register you may register she may register we may register you may register they may register
Forma con V-ing
I may be registering you may be registering she may be registering we may be registering you may be registering they may be registering
Perfecto
I may have registered you may have registered she may have registered we may have registered you may have registered they may have registered
Perfecto con V-ing
I may have been registering you may have been registering she may have been registering we may have been registering you may have been registering they may have been registering
Negación
Forma simple
I mayn't register you mayn't register she mayn't register we mayn't register you mayn't register they mayn't register
Forma con V-ing
I mayn't be registering you mayn't be registering she mayn't be registering we mayn't be registering you mayn't be registering they mayn't be registering
Perfecto
I mayn't have registered you mayn't have registered she mayn't have registered we mayn't have registered you mayn't have registered they mayn't have registered
Perfecto con V-ing
I mayn't have been registering you mayn't have been registering she mayn't have been registering we mayn't have been registering you mayn't have been registering they mayn't have been registering
Forma interrogativa
Forma simple
may I register? may you register? may she register? may we register? may you register? may they register?
Forma con V-ing
may I be registering? may you be registering? may she be registering? may we be registering? may you be registering? may they be registering?
Perfecto
may I have registered? may you have registered? may she have registered? may we have registered? may you have registered? may they have registered?
Perfecto con V-ing
may I have been registering? may you have been registering? may she have been registering? may we have been registering? may you have been registering? may they have been registering?
Forma interro-negativa
Forma simple
mayn't I register? mayn't you register? mayn't she register? mayn't we register? mayn't you register? mayn't they register?
Forma con V-ing
mayn't I be registering? mayn't you be registering? mayn't she be registering? mayn't we be registering? mayn't you be registering? mayn't they be registering?
Perfecto
mayn't I have registered? mayn't you have registered? mayn't she have registered? mayn't we have registered? mayn't you have registered? mayn't they have registered?
Perfecto con V-ing
mayn't I have been registering? mayn't you have been registering? mayn't she have been registering? mayn't we have been registering? mayn't you have been registering? mayn't they have been registering?