
Verbe régulier : attempt -  attempted - attempted
Traduction française : tenter - entreprendre 
Forme simple | Forme en V-ing | 
| I must attempt you must attempt he must attempt we must attempt you must attempt they must attempt  | I must be attempting you must be attempting he must be attempting we must be attempting you must be attempting they must be attempting  | 
Perfect | Perfect en V-ing | 
| I must have attempted you must have attempted he must have attempted we must have attempted you must have attempted they must have attempted  | I must have been attempting you must have been attempting he must have been attempting we must have been attempting you must have been attempting they must have been attempting  | 
Forme simple | Forme en V-ing | 
| I mustn't attempt you mustn't attempt he mustn't attempt we mustn't attempt you mustn't attempt they mustn't attempt  | I mustn't be attempting you mustn't be attempting he mustn't be attempting we mustn't be attempting you mustn't be attempting they mustn't be attempting  | 
Perfect | Perfect en V-ing | 
| I mustn't have attempted you mustn't have attempted he mustn't have attempted we mustn't have attempted you mustn't have attempted they mustn't have attempted  | I mustn't have been attempting you mustn't have been attempting he mustn't have been attempting we mustn't have been attempting you mustn't have been attempting they mustn't have been attempting  | 
Forme simple | Forme en V-ing | 
| must I attempt? must you attempt? must he attempt? must we attempt? must you attempt? must they attempt?  | must I be attempting? must you be attempting? must he be attempting? must we be attempting? must you be attempting? must they be attempting?  | 
Perfect | Perfect en V-ing | 
| must I have attempted? must you have attempted? must he have attempted? must we have attempted? must you have attempted? must they have attempted?  | must I have been attempting? must you have been attempting? must he have been attempting? must we have been attempting? must you have been attempting? must they have been attempting?  | 
Forme simple | Forme en V-ing | 
| mustn't I attempt? mustn't you attempt? mustn't he attempt? mustn't we attempt? mustn't you attempt? mustn't they attempt?  | mustn't I be attempting? mustn't you be attempting? mustn't he be attempting? mustn't we be attempting? mustn't you be attempting? mustn't they be attempting?  | 
Perfect | Perfect en V-ing | 
| mustn't I have attempted? mustn't you have attempted? mustn't he have attempted? mustn't we have attempted? mustn't you have attempted? mustn't they have attempted?  | mustn't I have been attempting? mustn't you have been attempting? mustn't he have been attempting? mustn't we have been attempting? mustn't you have been attempting? mustn't they have been attempting?  |