I must accord you must accord he must accord we must accord you must accord they must accord
Forma con V-ing
I must be according you must be according he must be according we must be according you must be according they must be according
Perfecto
I must have accorded you must have accorded he must have accorded we must have accorded you must have accorded they must have accorded
Perfecto con V-ing
I must have been according you must have been according he must have been according we must have been according you must have been according they must have been according
Negación
Forma simple
I must not accord you must not accord he must not accord we must not accord you must not accord they must not accord
Forma con V-ing
I must not be according you must not be according he must not be according we must not be according you must not be according they must not be according
Perfecto
I must not have accorded you must not have accorded he must not have accorded we must not have accorded you must not have accorded they must not have accorded
Perfecto con V-ing
I must not have been according you must not have been according he must not have been according we must not have been according you must not have been according they must not have been according
Forma interrogativa
Forma simple
must I accord? must you accord? must he accord? must we accord? must you accord? must they accord?
Forma con V-ing
must I be according? must you be according? must he be according? must we be according? must you be according? must they be according?
Perfecto
must I have accorded? must you have accorded? must he have accorded? must we have accorded? must you have accorded? must they have accorded?
Perfecto con V-ing
must I have been according? must you have been according? must he have been according? must we have been according? must you have been according? must they have been according?
Forma interro-negativa
Forma simple
must I not accord? must you not accord? must he not accord? must we not accord? must you not accord? must they not accord?
Forma con V-ing
must I not be according? must you not be according? must he not be according? must we not be according? must you not be according? must they not be according?
Perfecto
must I not have accorded? must you not have accorded? must he not have accorded? must we not have accorded? must you not have accorded? must they not have accorded?
Perfecto con V-ing
must I not have been according? must you not have been according? must he not have been according? must we not have been according? must you not have been according? must they not have been according?