
Verbo irregular: leave - left - left
Forma simple | Forma con V-ing | 
| I must leave you must leave he must leave we must leave you must leave they must leave  | I must be leaving you must be leaving he must be leaving we must be leaving you must be leaving they must be leaving  | 
Perfecto | Perfecto con V-ing | 
| I must have left you must have left he must have left we must have left you must have left they must have left  | I must have been leaving you must have been leaving he must have been leaving we must have been leaving you must have been leaving they must have been leaving  | 
Forma simple | Forma con V-ing | 
| I mustn't leave you mustn't leave he mustn't leave we mustn't leave you mustn't leave they mustn't leave  | I mustn't be leaving you mustn't be leaving he mustn't be leaving we mustn't be leaving you mustn't be leaving they mustn't be leaving  | 
Perfecto | Perfecto con V-ing | 
| I mustn't have left you mustn't have left he mustn't have left we mustn't have left you mustn't have left they mustn't have left  | I mustn't have been leaving you mustn't have been leaving he mustn't have been leaving we mustn't have been leaving you mustn't have been leaving they mustn't have been leaving  | 
Forma simple | Forma con V-ing | 
| must I leave? must you leave? must he leave? must we leave? must you leave? must they leave?  | must I be leaving? must you be leaving? must he be leaving? must we be leaving? must you be leaving? must they be leaving?  | 
Perfecto | Perfecto con V-ing | 
| must I have left? must you have left? must he have left? must we have left? must you have left? must they have left?  | must I have been leaving? must you have been leaving? must he have been leaving? must we have been leaving? must you have been leaving? must they have been leaving?  | 
Forma simple | Forma con V-ing | 
| mustn't I leave? mustn't you leave? mustn't he leave? mustn't we leave? mustn't you leave? mustn't they leave?  | mustn't I be leaving? mustn't you be leaving? mustn't he be leaving? mustn't we be leaving? mustn't you be leaving? mustn't they be leaving?  | 
Perfecto | Perfecto con V-ing | 
| mustn't I have left? mustn't you have left? mustn't he have left? mustn't we have left? mustn't you have left? mustn't they have left?  | mustn't I have been leaving? mustn't you have been leaving? mustn't he have been leaving? mustn't we have been leaving? mustn't you have been leaving? mustn't they have been leaving?  |