Verbo regular: err - erred - erred
Forma simple | Forma con V-ing |
I must err you must err he must err we must err you must err they must err | I must be erring you must be erring he must be erring we must be erring you must be erring they must be erring |
Perfecto | Perfecto con V-ing |
I must have erred you must have erred he must have erred we must have erred you must have erred they must have erred | I must have been erring you must have been erring he must have been erring we must have been erring you must have been erring they must have been erring |
Forma simple | Forma con V-ing |
I mustn't err you mustn't err he mustn't err we mustn't err you mustn't err they mustn't err | I mustn't be erring you mustn't be erring he mustn't be erring we mustn't be erring you mustn't be erring they mustn't be erring |
Perfecto | Perfecto con V-ing |
I mustn't have erred you mustn't have erred he mustn't have erred we mustn't have erred you mustn't have erred they mustn't have erred | I mustn't have been erring you mustn't have been erring he mustn't have been erring we mustn't have been erring you mustn't have been erring they mustn't have been erring |
Forma simple | Forma con V-ing |
must I err? must you err? must he err? must we err? must you err? must they err? | must I be erring? must you be erring? must he be erring? must we be erring? must you be erring? must they be erring? |
Perfecto | Perfecto con V-ing |
must I have erred? must you have erred? must he have erred? must we have erred? must you have erred? must they have erred? | must I have been erring? must you have been erring? must he have been erring? must we have been erring? must you have been erring? must they have been erring? |
Forma simple | Forma con V-ing |
mustn't I err? mustn't you err? mustn't he err? mustn't we err? mustn't you err? mustn't they err? | mustn't I be erring? mustn't you be erring? mustn't he be erring? mustn't we be erring? mustn't you be erring? mustn't they be erring? |
Perfecto | Perfecto con V-ing |
mustn't I have erred? mustn't you have erred? mustn't he have erred? mustn't we have erred? mustn't you have erred? mustn't they have erred? | mustn't I have been erring? mustn't you have been erring? mustn't he have been erring? mustn't we have been erring? mustn't you have been erring? mustn't they have been erring? |