I must mason you must mason he must mason we must mason you must mason they must mason
Forma com V-ing
I must be masoning you must be masoning he must be masoning we must be masoning you must be masoning they must be masoning
Perfeito
I must have masoned you must have masoned he must have masoned we must have masoned you must have masoned they must have masoned
Perfeito com V-ing
I must have been masoning you must have been masoning he must have been masoning we must have been masoning you must have been masoning they must have been masoning
Negação
Forma simple
I must not mason you must not mason he must not mason we must not mason you must not mason they must not mason
Forma com V-ing
I must not be masoning you must not be masoning he must not be masoning we must not be masoning you must not be masoning they must not be masoning
Perfeito
I must not have masoned you must not have masoned he must not have masoned we must not have masoned you must not have masoned they must not have masoned
Perfeito com V-ing
I must not have been masoning you must not have been masoning he must not have been masoning we must not have been masoning you must not have been masoning they must not have been masoning
Forma interrogativa
Forma simple
must I mason? must you mason? must he mason? must we mason? must you mason? must they mason?
Forma com V-ing
must I be masoning? must you be masoning? must he be masoning? must we be masoning? must you be masoning? must they be masoning?
Perfeito
must I have masoned? must you have masoned? must he have masoned? must we have masoned? must you have masoned? must they have masoned?
Perfeito com V-ing
must I have been masoning? must you have been masoning? must he have been masoning? must we have been masoning? must you have been masoning? must they have been masoning?
Forma interro-Negação
Forma simple
must I not mason? must you not mason? must he not mason? must we not mason? must you not mason? must they not mason?
Forma com V-ing
must I not be masoning? must you not be masoning? must he not be masoning? must we not be masoning? must you not be masoning? must they not be masoning?
Perfeito
must I not have masoned? must you not have masoned? must he not have masoned? must we not have masoned? must you not have masoned? must they not have masoned?
Perfeito com V-ing
must I not have been masoning? must you not have been masoning? must he not have been masoning? must we not have been masoning? must you not have been masoning? must they not have been masoning?