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