I must ta you must ta she must ta we must ta you must ta they must ta
Forma con V-ing
I must be taing you must be taing she must be taing we must be taing you must be taing they must be taing
Perfecto
I must have taed you must have taed she must have taed we must have taed you must have taed they must have taed
Perfecto con V-ing
I must have been taing you must have been taing she must have been taing we must have been taing you must have been taing they must have been taing
Negación
Forma simple
I mustn't ta you mustn't ta she mustn't ta we mustn't ta you mustn't ta they mustn't ta
Forma con V-ing
I mustn't be taing you mustn't be taing she mustn't be taing we mustn't be taing you mustn't be taing they mustn't be taing
Perfecto
I mustn't have taed you mustn't have taed she mustn't have taed we mustn't have taed you mustn't have taed they mustn't have taed
Perfecto con V-ing
I mustn't have been taing you mustn't have been taing she mustn't have been taing we mustn't have been taing you mustn't have been taing they mustn't have been taing
Forma interrogativa
Forma simple
must I ta? must you ta? must she ta? must we ta? must you ta? must they ta?
Forma con V-ing
must I be taing? must you be taing? must she be taing? must we be taing? must you be taing? must they be taing?
Perfecto
must I have taed? must you have taed? must she have taed? must we have taed? must you have taed? must they have taed?
Perfecto con V-ing
must I have been taing? must you have been taing? must she have been taing? must we have been taing? must you have been taing? must they have been taing?
Forma interro-negativa
Forma simple
mustn't I ta? mustn't you ta? mustn't she ta? mustn't we ta? mustn't you ta? mustn't they ta?
Forma con V-ing
mustn't I be taing? mustn't you be taing? mustn't she be taing? mustn't we be taing? mustn't you be taing? mustn't they be taing?
Perfecto
mustn't I have taed? mustn't you have taed? mustn't she have taed? mustn't we have taed? mustn't you have taed? mustn't they have taed?
Perfecto con V-ing
mustn't I have been taing? mustn't you have been taing? mustn't she have been taing? mustn't we have been taing? mustn't you have been taing? mustn't they have been taing?