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