
Verbe régulier : respond -  responded - responded
Traduction française : répondre - répondre 
Forme simple | Forme en V-ing | 
| I must respond you must respond she must respond we must respond you must respond they must respond  | I must be responding you must be responding she must be responding we must be responding you must be responding they must be responding  | 
Perfect | Perfect en V-ing | 
| I must have responded you must have responded she must have responded we must have responded you must have responded they must have responded  | I must have been responding you must have been responding she must have been responding we must have been responding you must have been responding they must have been responding  | 
Forme simple | Forme en V-ing | 
| I mustn't respond you mustn't respond she mustn't respond we mustn't respond you mustn't respond they mustn't respond  | I mustn't be responding you mustn't be responding she mustn't be responding we mustn't be responding you mustn't be responding they mustn't be responding  | 
Perfect | Perfect en V-ing | 
| I mustn't have responded you mustn't have responded she mustn't have responded we mustn't have responded you mustn't have responded they mustn't have responded  | I mustn't have been responding you mustn't have been responding she mustn't have been responding we mustn't have been responding you mustn't have been responding they mustn't have been responding  | 
Forme simple | Forme en V-ing | 
| must I respond? must you respond? must she respond? must we respond? must you respond? must they respond?  | must I be responding? must you be responding? must she be responding? must we be responding? must you be responding? must they be responding?  | 
Perfect | Perfect en V-ing | 
| must I have responded? must you have responded? must she have responded? must we have responded? must you have responded? must they have responded?  | must I have been responding? must you have been responding? must she have been responding? must we have been responding? must you have been responding? must they have been responding?  | 
Forme simple | Forme en V-ing | 
| mustn't I respond? mustn't you respond? mustn't she respond? mustn't we respond? mustn't you respond? mustn't they respond?  | mustn't I be responding? mustn't you be responding? mustn't she be responding? mustn't we be responding? mustn't you be responding? mustn't they be responding?  | 
Perfect | Perfect en V-ing | 
| mustn't I have responded? mustn't you have responded? mustn't she have responded? mustn't we have responded? mustn't you have responded? mustn't they have responded?  | mustn't I have been responding? mustn't you have been responding? mustn't she have been responding? mustn't we have been responding? mustn't you have been responding? mustn't they have been responding?  |