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