
Verbe régulier : plan -  planned - planned
Traduction française : élaborer - faire des projets 
Forme simple | Forme en V-ing | 
| I must plan you must plan he must plan we must plan you must plan they must plan  | I must be planning you must be planning he must be planning we must be planning you must be planning they must be planning  | 
Perfect | Perfect en V-ing | 
| I must have planned you must have planned he must have planned we must have planned you must have planned they must have planned  | I must have been planning you must have been planning he must have been planning we must have been planning you must have been planning they must have been planning  | 
Forme simple | Forme en V-ing | 
| I mustn't plan you mustn't plan he mustn't plan we mustn't plan you mustn't plan they mustn't plan  | I mustn't be planning you mustn't be planning he mustn't be planning we mustn't be planning you mustn't be planning they mustn't be planning  | 
Perfect | Perfect en V-ing | 
| I mustn't have planned you mustn't have planned he mustn't have planned we mustn't have planned you mustn't have planned they mustn't have planned  | I mustn't have been planning you mustn't have been planning he mustn't have been planning we mustn't have been planning you mustn't have been planning they mustn't have been planning  | 
Forme simple | Forme en V-ing | 
| must I plan? must you plan? must he plan? must we plan? must you plan? must they plan?  | must I be planning? must you be planning? must he be planning? must we be planning? must you be planning? must they be planning?  | 
Perfect | Perfect en V-ing | 
| must I have planned? must you have planned? must he have planned? must we have planned? must you have planned? must they have planned?  | must I have been planning? must you have been planning? must he have been planning? must we have been planning? must you have been planning? must they have been planning?  | 
Forme simple | Forme en V-ing | 
| mustn't I plan? mustn't you plan? mustn't he plan? mustn't we plan? mustn't you plan? mustn't they plan?  | mustn't I be planning? mustn't you be planning? mustn't he be planning? mustn't we be planning? mustn't you be planning? mustn't they be planning?  | 
Perfect | Perfect en V-ing | 
| mustn't I have planned? mustn't you have planned? mustn't he have planned? mustn't we have planned? mustn't you have planned? mustn't they have planned?  | mustn't I have been planning? mustn't you have been planning? mustn't he have been planning? mustn't we have been planning? mustn't you have been planning? mustn't they have been planning?  |