
Verbo regular: frock - frocked - frocked
Forma simple | Forma con V-ing | 
| I may frock you may frock she may frock we may frock you may frock they may frock  | I may be frocking you may be frocking she may be frocking we may be frocking you may be frocking they may be frocking  | 
Perfecto | Perfecto con V-ing | 
| I may have frocked you may have frocked she may have frocked we may have frocked you may have frocked they may have frocked  | I may have been frocking you may have been frocking she may have been frocking we may have been frocking you may have been frocking they may have been frocking  | 
Forma simple | Forma con V-ing | 
| I mayn't frock you mayn't frock she mayn't frock we mayn't frock you mayn't frock they mayn't frock  | I mayn't be frocking you mayn't be frocking she mayn't be frocking we mayn't be frocking you mayn't be frocking they mayn't be frocking  | 
Perfecto | Perfecto con V-ing | 
| I mayn't have frocked you mayn't have frocked she mayn't have frocked we mayn't have frocked you mayn't have frocked they mayn't have frocked  | I mayn't have been frocking you mayn't have been frocking she mayn't have been frocking we mayn't have been frocking you mayn't have been frocking they mayn't have been frocking  | 
Forma simple | Forma con V-ing | 
| may I frock? may you frock? may she frock? may we frock? may you frock? may they frock?  | may I be frocking? may you be frocking? may she be frocking? may we be frocking? may you be frocking? may they be frocking?  | 
Perfecto | Perfecto con V-ing | 
| may I have frocked? may you have frocked? may she have frocked? may we have frocked? may you have frocked? may they have frocked?  | may I have been frocking? may you have been frocking? may she have been frocking? may we have been frocking? may you have been frocking? may they have been frocking?  | 
Forma simple | Forma con V-ing | 
| mayn't I frock? mayn't you frock? mayn't she frock? mayn't we frock? mayn't you frock? mayn't they frock?  | mayn't I be frocking? mayn't you be frocking? mayn't she be frocking? mayn't we be frocking? mayn't you be frocking? mayn't they be frocking?  | 
Perfecto | Perfecto con V-ing | 
| mayn't I have frocked? mayn't you have frocked? mayn't she have frocked? mayn't we have frocked? mayn't you have frocked? mayn't they have frocked?  | mayn't I have been frocking? mayn't you have been frocking? mayn't she have been frocking? mayn't we have been frocking? mayn't you have been frocking? mayn't they have been frocking?  |