I must stay you must stay she must stay we must stay you must stay they must stay
Forma com V-ing
I must be staying you must be staying she must be staying we must be staying you must be staying they must be staying
Perfeito
I must have stayed you must have stayed she must have stayed we must have stayed you must have stayed they must have stayed
Perfeito com V-ing
I must have been staying you must have been staying she must have been staying we must have been staying you must have been staying they must have been staying
Negação
Forma simple
I mustn't stay you mustn't stay she mustn't stay we mustn't stay you mustn't stay they mustn't stay
Forma com V-ing
I mustn't be staying you mustn't be staying she mustn't be staying we mustn't be staying you mustn't be staying they mustn't be staying
Perfeito
I mustn't have stayed you mustn't have stayed she mustn't have stayed we mustn't have stayed you mustn't have stayed they mustn't have stayed
Perfeito com V-ing
I mustn't have been staying you mustn't have been staying she mustn't have been staying we mustn't have been staying you mustn't have been staying they mustn't have been staying
Forma interrogativa
Forma simple
must I stay? must you stay? must she stay? must we stay? must you stay? must they stay?
Forma com V-ing
must I be staying? must you be staying? must she be staying? must we be staying? must you be staying? must they be staying?
Perfeito
must I have stayed? must you have stayed? must she have stayed? must we have stayed? must you have stayed? must they have stayed?
Perfeito com V-ing
must I have been staying? must you have been staying? must she have been staying? must we have been staying? must you have been staying? must they have been staying?
Forma interro-Negação
Forma simple
mustn't I stay? mustn't you stay? mustn't she stay? mustn't we stay? mustn't you stay? mustn't they stay?
Forma com V-ing
mustn't I be staying? mustn't you be staying? mustn't she be staying? mustn't we be staying? mustn't you be staying? mustn't they be staying?
Perfeito
mustn't I have stayed? mustn't you have stayed? mustn't she have stayed? mustn't we have stayed? mustn't you have stayed? mustn't they have stayed?
Perfeito com V-ing
mustn't I have been staying? mustn't you have been staying? mustn't she have been staying? mustn't we have been staying? mustn't you have been staying? mustn't they have been staying?