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