
Verbe régulier : frighten -  frightened - frightened
Traduction française : effrayer - faire peur à 
Forme simple | Forme en V-ing | 
| I must frighten you must frighten he must frighten we must frighten you must frighten they must frighten  | I must be frightening you must be frightening he must be frightening we must be frightening you must be frightening they must be frightening  | 
Perfect | Perfect en V-ing | 
| I must have frightened you must have frightened he must have frightened we must have frightened you must have frightened they must have frightened  | I must have been frightening you must have been frightening he must have been frightening we must have been frightening you must have been frightening they must have been frightening  | 
Forme simple | Forme en V-ing | 
| I mustn't frighten you mustn't frighten he mustn't frighten we mustn't frighten you mustn't frighten they mustn't frighten  | I mustn't be frightening you mustn't be frightening he mustn't be frightening we mustn't be frightening you mustn't be frightening they mustn't be frightening  | 
Perfect | Perfect en V-ing | 
| I mustn't have frightened you mustn't have frightened he mustn't have frightened we mustn't have frightened you mustn't have frightened they mustn't have frightened  | I mustn't have been frightening you mustn't have been frightening he mustn't have been frightening we mustn't have been frightening you mustn't have been frightening they mustn't have been frightening  | 
Forme simple | Forme en V-ing | 
| must I frighten? must you frighten? must he frighten? must we frighten? must you frighten? must they frighten?  | must I be frightening? must you be frightening? must he be frightening? must we be frightening? must you be frightening? must they be frightening?  | 
Perfect | Perfect en V-ing | 
| must I have frightened? must you have frightened? must he have frightened? must we have frightened? must you have frightened? must they have frightened?  | must I have been frightening? must you have been frightening? must he have been frightening? must we have been frightening? must you have been frightening? must they have been frightening?  | 
Forme simple | Forme en V-ing | 
| mustn't I frighten? mustn't you frighten? mustn't he frighten? mustn't we frighten? mustn't you frighten? mustn't they frighten?  | mustn't I be frightening? mustn't you be frightening? mustn't he be frightening? mustn't we be frightening? mustn't you be frightening? mustn't they be frightening?  | 
Perfect | Perfect en V-ing | 
| mustn't I have frightened? mustn't you have frightened? mustn't he have frightened? mustn't we have frightened? mustn't you have frightened? mustn't they have frightened?  | mustn't I have been frightening? mustn't you have been frightening? mustn't he have been frightening? mustn't we have been frightening? mustn't you have been frightening? mustn't they have been frightening?  |