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