I must tidy you must tidy he must tidy we must tidy you must tidy they must tidy
Forma con V-ing
I must be tidying you must be tidying he must be tidying we must be tidying you must be tidying they must be tidying
Perfecto
I must have tidied you must have tidied he 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 he 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 he 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 he 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 he 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 he 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 he tidy? must we tidy? must you tidy? must they tidy?
Forma con V-ing
must I be tidying? must you be tidying? must he be tidying? must we be tidying? must you be tidying? must they be tidying?
Perfecto
must I have tidied? must you have tidied? must he 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 he 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 he 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 he 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 he 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 he have been tidying? mustn't we have been tidying? mustn't you have been tidying? mustn't they have been tidying?