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