
Verbe régulier : define -  defined - defined
Traduction française : définir - délimiter 
| Forme simple | Forme en V-ing | 
| I must define you must define he must define we must define you must define they must define | I must be defining you must be defining he must be defining we must be defining you must be defining they must be defining | 
| Perfect | Perfect en V-ing | 
| I must have defined you must have defined he must have defined we must have defined you must have defined they must have defined | I must have been defining you must have been defining he must have been defining we must have been defining you must have been defining they must have been defining | 
| Forme simple | Forme en V-ing | 
| I mustn't define you mustn't define he mustn't define we mustn't define you mustn't define they mustn't define | I mustn't be defining you mustn't be defining he mustn't be defining we mustn't be defining you mustn't be defining they mustn't be defining | 
| Perfect | Perfect en V-ing | 
| I mustn't have defined you mustn't have defined he mustn't have defined we mustn't have defined you mustn't have defined they mustn't have defined | I mustn't have been defining you mustn't have been defining he mustn't have been defining we mustn't have been defining you mustn't have been defining they mustn't have been defining | 
| Forme simple | Forme en V-ing | 
| must I define? must you define? must he define? must we define? must you define? must they define? | must I be defining? must you be defining? must he be defining? must we be defining? must you be defining? must they be defining? | 
| Perfect | Perfect en V-ing | 
| must I have defined? must you have defined? must he have defined? must we have defined? must you have defined? must they have defined? | must I have been defining? must you have been defining? must he have been defining? must we have been defining? must you have been defining? must they have been defining? | 
| Forme simple | Forme en V-ing | 
| mustn't I define? mustn't you define? mustn't he define? mustn't we define? mustn't you define? mustn't they define? | mustn't I be defining? mustn't you be defining? mustn't he be defining? mustn't we be defining? mustn't you be defining? mustn't they be defining? | 
| Perfect | Perfect en V-ing | 
| mustn't I have defined? mustn't you have defined? mustn't he have defined? mustn't we have defined? mustn't you have defined? mustn't they have defined? | mustn't I have been defining? mustn't you have been defining? mustn't he have been defining? mustn't we have been defining? mustn't you have been defining? mustn't they have been defining? |