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