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