
Verbo regular: smile - smiled - smiled
Forma simple | Forma con V-ing | 
| I may smile you may smile he may smile we may smile you may smile they may smile  | I may be smiling you may be smiling he may be smiling we may be smiling you may be smiling they may be smiling  | 
Perfecto | Perfecto con V-ing | 
| I may have smiled you may have smiled he may have smiled we may have smiled you may have smiled they may have smiled  | I may have been smiling you may have been smiling he may have been smiling we may have been smiling you may have been smiling they may have been smiling  | 
Forma simple | Forma con V-ing | 
| I mayn't smile you mayn't smile he mayn't smile we mayn't smile you mayn't smile they mayn't smile  | I mayn't be smiling you mayn't be smiling he mayn't be smiling we mayn't be smiling you mayn't be smiling they mayn't be smiling  | 
Perfecto | Perfecto con V-ing | 
| I mayn't have smiled you mayn't have smiled he mayn't have smiled we mayn't have smiled you mayn't have smiled they mayn't have smiled  | I mayn't have been smiling you mayn't have been smiling he mayn't have been smiling we mayn't have been smiling you mayn't have been smiling they mayn't have been smiling  | 
Forma simple | Forma con V-ing | 
| may I smile? may you smile? may he smile? may we smile? may you smile? may they smile?  | may I be smiling? may you be smiling? may he be smiling? may we be smiling? may you be smiling? may they be smiling?  | 
Perfecto | Perfecto con V-ing | 
| may I have smiled? may you have smiled? may he have smiled? may we have smiled? may you have smiled? may they have smiled?  | may I have been smiling? may you have been smiling? may he have been smiling? may we have been smiling? may you have been smiling? may they have been smiling?  | 
Forma simple | Forma con V-ing | 
| mayn't I smile? mayn't you smile? mayn't he smile? mayn't we smile? mayn't you smile? mayn't they smile?  | mayn't I be smiling? mayn't you be smiling? mayn't he be smiling? mayn't we be smiling? mayn't you be smiling? mayn't they be smiling?  | 
Perfecto | Perfecto con V-ing | 
| mayn't I have smiled? mayn't you have smiled? mayn't he have smiled? mayn't we have smiled? mayn't you have smiled? mayn't they have smiled?  | mayn't I have been smiling? mayn't you have been smiling? mayn't he have been smiling? mayn't we have been smiling? mayn't you have been smiling? mayn't they have been smiling?  |