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