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