
Verbe irrégulier : undertake - undertook - undertaken
Traduction française : entreprendre - s'engager à 
Forme simple | Forme en V-ing | 
| I may undertake you may undertake he may undertake we may undertake you may undertake they may undertake  | I may be undertaking you may be undertaking he may be undertaking we may be undertaking you may be undertaking they may be undertaking  | 
Perfect | Perfect en V-ing | 
| I may have undertaken you may have undertaken he may have undertaken we may have undertaken you may have undertaken they may have undertaken  | I may have been undertaking you may have been undertaking he may have been undertaking we may have been undertaking you may have been undertaking they may have been undertaking  | 
Forme simple | Forme en V-ing | 
| I mayn't undertake you mayn't undertake he mayn't undertake we mayn't undertake you mayn't undertake they mayn't undertake  | I mayn't be undertaking you mayn't be undertaking he mayn't be undertaking we mayn't be undertaking you mayn't be undertaking they mayn't be undertaking  | 
Perfect | Perfect en V-ing | 
| I mayn't have undertaken you mayn't have undertaken he mayn't have undertaken we mayn't have undertaken you mayn't have undertaken they mayn't have undertaken  | I mayn't have been undertaking you mayn't have been undertaking he mayn't have been undertaking we mayn't have been undertaking you mayn't have been undertaking they mayn't have been undertaking  | 
Forme simple | Forme en V-ing | 
| may I undertake? may you undertake? may he undertake? may we undertake? may you undertake? may they undertake?  | may I be undertaking? may you be undertaking? may he be undertaking? may we be undertaking? may you be undertaking? may they be undertaking?  | 
Perfect | Perfect en V-ing | 
| may I have undertaken? may you have undertaken? may he have undertaken? may we have undertaken? may you have undertaken? may they have undertaken?  | may I have been undertaking? may you have been undertaking? may he have been undertaking? may we have been undertaking? may you have been undertaking? may they have been undertaking?  | 
Forme simple | Forme en V-ing | 
| mayn't I undertake? mayn't you undertake? mayn't he undertake? mayn't we undertake? mayn't you undertake? mayn't they undertake?  | mayn't I be undertaking? mayn't you be undertaking? mayn't he be undertaking? mayn't we be undertaking? mayn't you be undertaking? mayn't they be undertaking?  | 
Perfect | Perfect en V-ing | 
| mayn't I have undertaken? mayn't you have undertaken? mayn't he have undertaken? mayn't we have undertaken? mayn't you have undertaken? mayn't they have undertaken?  | mayn't I have been undertaking? mayn't you have been undertaking? mayn't he have been undertaking? mayn't we have been undertaking? mayn't you have been undertaking? mayn't they have been undertaking?  |