
Regular verb: lever - levered - levered
Simple form | V-ing form | 
| I may lever you may lever he may lever we may lever you may lever they may lever  | I may be levering you may be levering he may be levering we may be levering you may be levering they may be levering  | 
Perfect | V-ing perfect | 
| I may have levered you may have levered he may have levered we may have levered you may have levered they may have levered  | I may have been levering you may have been levering he may have been levering we may have been levering you may have been levering they may have been levering  | 
Simple form | V-ing form | 
| I mayn't lever you mayn't lever he mayn't lever we mayn't lever you mayn't lever they mayn't lever  | I mayn't be levering you mayn't be levering he mayn't be levering we mayn't be levering you mayn't be levering they mayn't be levering  | 
Perfect | V-ing perfect | 
| I mayn't have levered you mayn't have levered he mayn't have levered we mayn't have levered you mayn't have levered they mayn't have levered  | I mayn't have been levering you mayn't have been levering he mayn't have been levering we mayn't have been levering you mayn't have been levering they mayn't have been levering  | 
Simple form | V-ing form | 
| may I lever? may you lever? may he lever? may we lever? may you lever? may they lever?  | may I be levering? may you be levering? may he be levering? may we be levering? may you be levering? may they be levering?  | 
Perfect | V-ing perfect | 
| may I have levered? may you have levered? may he have levered? may we have levered? may you have levered? may they have levered?  | may I have been levering? may you have been levering? may he have been levering? may we have been levering? may you have been levering? may they have been levering?  | 
Simple form | V-ing form | 
| mayn't I lever? mayn't you lever? mayn't he lever? mayn't we lever? mayn't you lever? mayn't they lever?  | mayn't I be levering? mayn't you be levering? mayn't he be levering? mayn't we be levering? mayn't you be levering? mayn't they be levering?  | 
Perfect | V-ing perfect | 
| mayn't I have levered? mayn't you have levered? mayn't he have levered? mayn't we have levered? mayn't you have levered? mayn't they have levered?  | mayn't I have been levering? mayn't you have been levering? mayn't he have been levering? mayn't we have been levering? mayn't you have been levering? mayn't they have been levering?  |