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