I must chapter you must chapter he must chapter we must chapter you must chapter they must chapter
Forma con V-ing
I must be chaptering you must be chaptering he must be chaptering we must be chaptering you must be chaptering they must be chaptering
Perfecto
I must have chaptered you must have chaptered he must have chaptered we must have chaptered you must have chaptered they must have chaptered
Perfecto con V-ing
I must have been chaptering you must have been chaptering he must have been chaptering we must have been chaptering you must have been chaptering they must have been chaptering
Negación
Forma simple
I mustn't chapter you mustn't chapter he mustn't chapter we mustn't chapter you mustn't chapter they mustn't chapter
Forma con V-ing
I mustn't be chaptering you mustn't be chaptering he mustn't be chaptering we mustn't be chaptering you mustn't be chaptering they mustn't be chaptering
Perfecto
I mustn't have chaptered you mustn't have chaptered he mustn't have chaptered we mustn't have chaptered you mustn't have chaptered they mustn't have chaptered
Perfecto con V-ing
I mustn't have been chaptering you mustn't have been chaptering he mustn't have been chaptering we mustn't have been chaptering you mustn't have been chaptering they mustn't have been chaptering
Forma interrogativa
Forma simple
must I chapter? must you chapter? must he chapter? must we chapter? must you chapter? must they chapter?
Forma con V-ing
must I be chaptering? must you be chaptering? must he be chaptering? must we be chaptering? must you be chaptering? must they be chaptering?
Perfecto
must I have chaptered? must you have chaptered? must he have chaptered? must we have chaptered? must you have chaptered? must they have chaptered?
Perfecto con V-ing
must I have been chaptering? must you have been chaptering? must he have been chaptering? must we have been chaptering? must you have been chaptering? must they have been chaptering?
Forma interro-negativa
Forma simple
mustn't I chapter? mustn't you chapter? mustn't he chapter? mustn't we chapter? mustn't you chapter? mustn't they chapter?
Forma con V-ing
mustn't I be chaptering? mustn't you be chaptering? mustn't he be chaptering? mustn't we be chaptering? mustn't you be chaptering? mustn't they be chaptering?
Perfecto
mustn't I have chaptered? mustn't you have chaptered? mustn't he have chaptered? mustn't we have chaptered? mustn't you have chaptered? mustn't they have chaptered?
Perfecto con V-ing
mustn't I have been chaptering? mustn't you have been chaptering? mustn't he have been chaptering? mustn't we have been chaptering? mustn't you have been chaptering? mustn't they have been chaptering?