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