
Irregular verb: rebuild - rebuilt - rebuilt
Simple form | V-ing form | 
| I may rebuild you may rebuild he may rebuild we may rebuild you may rebuild they may rebuild  | I may be rebuilding you may be rebuilding he may be rebuilding we may be rebuilding you may be rebuilding they may be rebuilding  | 
Perfect | V-ing perfect | 
| I may have rebuilt you may have rebuilt he may have rebuilt we may have rebuilt you may have rebuilt they may have rebuilt  | I may have been rebuilding you may have been rebuilding he may have been rebuilding we may have been rebuilding you may have been rebuilding they may have been rebuilding  | 
Simple form | V-ing form | 
| I mayn't rebuild you mayn't rebuild he mayn't rebuild we mayn't rebuild you mayn't rebuild they mayn't rebuild  | I mayn't be rebuilding you mayn't be rebuilding he mayn't be rebuilding we mayn't be rebuilding you mayn't be rebuilding they mayn't be rebuilding  | 
Perfect | V-ing perfect | 
| I mayn't have rebuilt you mayn't have rebuilt he mayn't have rebuilt we mayn't have rebuilt you mayn't have rebuilt they mayn't have rebuilt  | I mayn't have been rebuilding you mayn't have been rebuilding he mayn't have been rebuilding we mayn't have been rebuilding you mayn't have been rebuilding they mayn't have been rebuilding  | 
Simple form | V-ing form | 
| may I rebuild? may you rebuild? may he rebuild? may we rebuild? may you rebuild? may they rebuild?  | may I be rebuilding? may you be rebuilding? may he be rebuilding? may we be rebuilding? may you be rebuilding? may they be rebuilding?  | 
Perfect | V-ing perfect | 
| may I have rebuilt? may you have rebuilt? may he have rebuilt? may we have rebuilt? may you have rebuilt? may they have rebuilt?  | may I have been rebuilding? may you have been rebuilding? may he have been rebuilding? may we have been rebuilding? may you have been rebuilding? may they have been rebuilding?  | 
Simple form | V-ing form | 
| mayn't I rebuild? mayn't you rebuild? mayn't he rebuild? mayn't we rebuild? mayn't you rebuild? mayn't they rebuild?  | mayn't I be rebuilding? mayn't you be rebuilding? mayn't he be rebuilding? mayn't we be rebuilding? mayn't you be rebuilding? mayn't they be rebuilding?  | 
Perfect | V-ing perfect | 
| mayn't I have rebuilt? mayn't you have rebuilt? mayn't he have rebuilt? mayn't we have rebuilt? mayn't you have rebuilt? mayn't they have rebuilt?  | mayn't I have been rebuilding? mayn't you have been rebuilding? mayn't he have been rebuilding? mayn't we have been rebuilding? mayn't you have been rebuilding? mayn't they have been rebuilding?  |