
Regular verb: doom - doomed - doomed
Simple form | V-ing form | 
| I may doom you may doom she may doom we may doom you may doom they may doom  | I may be dooming you may be dooming she may be dooming we may be dooming you may be dooming they may be dooming  | 
Perfect | V-ing perfect | 
| I may have doomed you may have doomed she may have doomed we may have doomed you may have doomed they may have doomed  | I may have been dooming you may have been dooming she may have been dooming we may have been dooming you may have been dooming they may have been dooming  | 
Simple form | V-ing form | 
| I mayn't doom you mayn't doom she mayn't doom we mayn't doom you mayn't doom they mayn't doom  | I mayn't be dooming you mayn't be dooming she mayn't be dooming we mayn't be dooming you mayn't be dooming they mayn't be dooming  | 
Perfect | V-ing perfect | 
| I mayn't have doomed you mayn't have doomed she mayn't have doomed we mayn't have doomed you mayn't have doomed they mayn't have doomed  | I mayn't have been dooming you mayn't have been dooming she mayn't have been dooming we mayn't have been dooming you mayn't have been dooming they mayn't have been dooming  | 
Simple form | V-ing form | 
| may I doom? may you doom? may she doom? may we doom? may you doom? may they doom?  | may I be dooming? may you be dooming? may she be dooming? may we be dooming? may you be dooming? may they be dooming?  | 
Perfect | V-ing perfect | 
| may I have doomed? may you have doomed? may she have doomed? may we have doomed? may you have doomed? may they have doomed?  | may I have been dooming? may you have been dooming? may she have been dooming? may we have been dooming? may you have been dooming? may they have been dooming?  | 
Simple form | V-ing form | 
| mayn't I doom? mayn't you doom? mayn't she doom? mayn't we doom? mayn't you doom? mayn't they doom?  | mayn't I be dooming? mayn't you be dooming? mayn't she be dooming? mayn't we be dooming? mayn't you be dooming? mayn't they be dooming?  | 
Perfect | V-ing perfect | 
| mayn't I have doomed? mayn't you have doomed? mayn't she have doomed? mayn't we have doomed? mayn't you have doomed? mayn't they have doomed?  | mayn't I have been dooming? mayn't you have been dooming? mayn't she have been dooming? mayn't we have been dooming? mayn't you have been dooming? mayn't they have been dooming?  |