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