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