
Verbo regular: entertain - entertained - entertained
Forma simple | Forma con V-ing | 
| I must entertain you must entertain she must entertain we must entertain you must entertain they must entertain  | I must be entertaining you must be entertaining she must be entertaining we must be entertaining you must be entertaining they must be entertaining  | 
Perfecto | Perfecto con V-ing | 
| I must have entertained you must have entertained she must have entertained we must have entertained you must have entertained they must have entertained  | I must have been entertaining you must have been entertaining she must have been entertaining we must have been entertaining you must have been entertaining they must have been entertaining  | 
Forma simple | Forma con V-ing | 
| I mustn't entertain you mustn't entertain she mustn't entertain we mustn't entertain you mustn't entertain they mustn't entertain  | I mustn't be entertaining you mustn't be entertaining she mustn't be entertaining we mustn't be entertaining you mustn't be entertaining they mustn't be entertaining  | 
Perfecto | Perfecto con V-ing | 
| I mustn't have entertained you mustn't have entertained she mustn't have entertained we mustn't have entertained you mustn't have entertained they mustn't have entertained  | I mustn't have been entertaining you mustn't have been entertaining she mustn't have been entertaining we mustn't have been entertaining you mustn't have been entertaining they mustn't have been entertaining  | 
Forma simple | Forma con V-ing | 
| must I entertain? must you entertain? must she entertain? must we entertain? must you entertain? must they entertain?  | must I be entertaining? must you be entertaining? must she be entertaining? must we be entertaining? must you be entertaining? must they be entertaining?  | 
Perfecto | Perfecto con V-ing | 
| must I have entertained? must you have entertained? must she have entertained? must we have entertained? must you have entertained? must they have entertained?  | must I have been entertaining? must you have been entertaining? must she have been entertaining? must we have been entertaining? must you have been entertaining? must they have been entertaining?  | 
Forma simple | Forma con V-ing | 
| mustn't I entertain? mustn't you entertain? mustn't she entertain? mustn't we entertain? mustn't you entertain? mustn't they entertain?  | mustn't I be entertaining? mustn't you be entertaining? mustn't she be entertaining? mustn't we be entertaining? mustn't you be entertaining? mustn't they be entertaining?  | 
Perfecto | Perfecto con V-ing | 
| mustn't I have entertained? mustn't you have entertained? mustn't she have entertained? mustn't we have entertained? mustn't you have entertained? mustn't they have entertained?  | mustn't I have been entertaining? mustn't you have been entertaining? mustn't she have been entertaining? mustn't we have been entertaining? mustn't you have been entertaining? mustn't they have been entertaining?  |