I may know you may know he may know we may know you may know they may know
Forma con V-ing
I may be knowing you may be knowing he may be knowing we may be knowing you may be knowing they may be knowing
Perfecto
I may have known you may have known he may have known we may have known you may have known they may have known
Perfecto con V-ing
I may have been knowing you may have been knowing he may have been knowing we may have been knowing you may have been knowing they may have been knowing
Negación
Forma simple
I mayn't know you mayn't know he mayn't know we mayn't know you mayn't know they mayn't know
Forma con V-ing
I mayn't be knowing you mayn't be knowing he mayn't be knowing we mayn't be knowing you mayn't be knowing they mayn't be knowing
Perfecto
I mayn't have known you mayn't have known he mayn't have known we mayn't have known you mayn't have known they mayn't have known
Perfecto con V-ing
I mayn't have been knowing you mayn't have been knowing he mayn't have been knowing we mayn't have been knowing you mayn't have been knowing they mayn't have been knowing
Forma interrogativa
Forma simple
may I know? may you know? may he know? may we know? may you know? may they know?
Forma con V-ing
may I be knowing? may you be knowing? may he be knowing? may we be knowing? may you be knowing? may they be knowing?
Perfecto
may I have known? may you have known? may he have known? may we have known? may you have known? may they have known?
Perfecto con V-ing
may I have been knowing? may you have been knowing? may he have been knowing? may we have been knowing? may you have been knowing? may they have been knowing?
Forma interro-negativa
Forma simple
mayn't I know? mayn't you know? mayn't he know? mayn't we know? mayn't you know? mayn't they know?
Forma con V-ing
mayn't I be knowing? mayn't you be knowing? mayn't he be knowing? mayn't we be knowing? mayn't you be knowing? mayn't they be knowing?
Perfecto
mayn't I have known? mayn't you have known? mayn't he have known? mayn't we have known? mayn't you have known? mayn't they have known?
Perfecto con V-ing
mayn't I have been knowing? mayn't you have been knowing? mayn't he have been knowing? mayn't we have been knowing? mayn't you have been knowing? mayn't they have been knowing?