
Verbe régulier : fast -  fasted - fasted
Traduction française : jeûner - rester à jeun 
Forme simple | Forme en V-ing | 
| I may fast you may fast he may fast we may fast you may fast they may fast  | I may be fasting you may be fasting he may be fasting we may be fasting you may be fasting they may be fasting  | 
Perfect | Perfect en V-ing | 
| I may have fasted you may have fasted he may have fasted we may have fasted you may have fasted they may have fasted  | I may have been fasting you may have been fasting he may have been fasting we may have been fasting you may have been fasting they may have been fasting  | 
Forme simple | Forme en V-ing | 
| I mayn't fast you mayn't fast he mayn't fast we mayn't fast you mayn't fast they mayn't fast  | I mayn't be fasting you mayn't be fasting he mayn't be fasting we mayn't be fasting you mayn't be fasting they mayn't be fasting  | 
Perfect | Perfect en V-ing | 
| I mayn't have fasted you mayn't have fasted he mayn't have fasted we mayn't have fasted you mayn't have fasted they mayn't have fasted  | I mayn't have been fasting you mayn't have been fasting he mayn't have been fasting we mayn't have been fasting you mayn't have been fasting they mayn't have been fasting  | 
Forme simple | Forme en V-ing | 
| may I fast? may you fast? may he fast? may we fast? may you fast? may they fast?  | may I be fasting? may you be fasting? may he be fasting? may we be fasting? may you be fasting? may they be fasting?  | 
Perfect | Perfect en V-ing | 
| may I have fasted? may you have fasted? may he have fasted? may we have fasted? may you have fasted? may they have fasted?  | may I have been fasting? may you have been fasting? may he have been fasting? may we have been fasting? may you have been fasting? may they have been fasting?  | 
Forme simple | Forme en V-ing | 
| mayn't I fast? mayn't you fast? mayn't he fast? mayn't we fast? mayn't you fast? mayn't they fast?  | mayn't I be fasting? mayn't you be fasting? mayn't he be fasting? mayn't we be fasting? mayn't you be fasting? mayn't they be fasting?  | 
Perfect | Perfect en V-ing | 
| mayn't I have fasted? mayn't you have fasted? mayn't he have fasted? mayn't we have fasted? mayn't you have fasted? mayn't they have fasted?  | mayn't I have been fasting? mayn't you have been fasting? mayn't he have been fasting? mayn't we have been fasting? mayn't you have been fasting? mayn't they have been fasting?  |