I must question you must question he must question we must question you must question they must question
Forma com V-ing
I must be questioning you must be questioning he must be questioning we must be questioning you must be questioning they must be questioning
Perfeito
I must have questioned you must have questioned he must have questioned we must have questioned you must have questioned they must have questioned
Perfeito com V-ing
I must have been questioning you must have been questioning he must have been questioning we must have been questioning you must have been questioning they must have been questioning
Negação
Forma simple
I mustn't question you mustn't question he mustn't question we mustn't question you mustn't question they mustn't question
Forma com V-ing
I mustn't be questioning you mustn't be questioning he mustn't be questioning we mustn't be questioning you mustn't be questioning they mustn't be questioning
Perfeito
I mustn't have questioned you mustn't have questioned he mustn't have questioned we mustn't have questioned you mustn't have questioned they mustn't have questioned
Perfeito com V-ing
I mustn't have been questioning you mustn't have been questioning he mustn't have been questioning we mustn't have been questioning you mustn't have been questioning they mustn't have been questioning
Forma interrogativa
Forma simple
must I question? must you question? must he question? must we question? must you question? must they question?
Forma com V-ing
must I be questioning? must you be questioning? must he be questioning? must we be questioning? must you be questioning? must they be questioning?
Perfeito
must I have questioned? must you have questioned? must he have questioned? must we have questioned? must you have questioned? must they have questioned?
Perfeito com V-ing
must I have been questioning? must you have been questioning? must he have been questioning? must we have been questioning? must you have been questioning? must they have been questioning?
Forma interro-Negação
Forma simple
mustn't I question? mustn't you question? mustn't he question? mustn't we question? mustn't you question? mustn't they question?
Forma com V-ing
mustn't I be questioning? mustn't you be questioning? mustn't he be questioning? mustn't we be questioning? mustn't you be questioning? mustn't they be questioning?
Perfeito
mustn't I have questioned? mustn't you have questioned? mustn't he have questioned? mustn't we have questioned? mustn't you have questioned? mustn't they have questioned?
Perfeito com V-ing
mustn't I have been questioning? mustn't you have been questioning? mustn't he have been questioning? mustn't we have been questioning? mustn't you have been questioning? mustn't they have been questioning?