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