
Verbe régulier : shrill -  shrilled - shrilled
Traduction française : retentir - crier d'une voix perçante 
Forme simple | Forme en V-ing | 
| I must shrill you must shrill he must shrill we must shrill you must shrill they must shrill  | I must be shrilling you must be shrilling he must be shrilling we must be shrilling you must be shrilling they must be shrilling  | 
Perfect | Perfect en V-ing | 
| I must have shrilled you must have shrilled he must have shrilled we must have shrilled you must have shrilled they must have shrilled  | I must have been shrilling you must have been shrilling he must have been shrilling we must have been shrilling you must have been shrilling they must have been shrilling  | 
Forme simple | Forme en V-ing | 
| I mustn't shrill you mustn't shrill he mustn't shrill we mustn't shrill you mustn't shrill they mustn't shrill  | I mustn't be shrilling you mustn't be shrilling he mustn't be shrilling we mustn't be shrilling you mustn't be shrilling they mustn't be shrilling  | 
Perfect | Perfect en V-ing | 
| I mustn't have shrilled you mustn't have shrilled he mustn't have shrilled we mustn't have shrilled you mustn't have shrilled they mustn't have shrilled  | I mustn't have been shrilling you mustn't have been shrilling he mustn't have been shrilling we mustn't have been shrilling you mustn't have been shrilling they mustn't have been shrilling  | 
Forme simple | Forme en V-ing | 
| must I shrill? must you shrill? must he shrill? must we shrill? must you shrill? must they shrill?  | must I be shrilling? must you be shrilling? must he be shrilling? must we be shrilling? must you be shrilling? must they be shrilling?  | 
Perfect | Perfect en V-ing | 
| must I have shrilled? must you have shrilled? must he have shrilled? must we have shrilled? must you have shrilled? must they have shrilled?  | must I have been shrilling? must you have been shrilling? must he have been shrilling? must we have been shrilling? must you have been shrilling? must they have been shrilling?  | 
Forme simple | Forme en V-ing | 
| mustn't I shrill? mustn't you shrill? mustn't he shrill? mustn't we shrill? mustn't you shrill? mustn't they shrill?  | mustn't I be shrilling? mustn't you be shrilling? mustn't he be shrilling? mustn't we be shrilling? mustn't you be shrilling? mustn't they be shrilling?  | 
Perfect | Perfect en V-ing | 
| mustn't I have shrilled? mustn't you have shrilled? mustn't he have shrilled? mustn't we have shrilled? mustn't you have shrilled? mustn't they have shrilled?  | mustn't I have been shrilling? mustn't you have been shrilling? mustn't he have been shrilling? mustn't we have been shrilling? mustn't you have been shrilling? mustn't they have been shrilling?  |