I must advance you must advance he must advance we must advance you must advance they must advance
Forma con V-ing
I must be advancing you must be advancing he must be advancing we must be advancing you must be advancing they must be advancing
Perfecto
I must have advanced you must have advanced he must have advanced we must have advanced you must have advanced they must have advanced
Perfecto con V-ing
I must have been advancing you must have been advancing he must have been advancing we must have been advancing you must have been advancing they must have been advancing
Negación
Forma simple
I must not advance you must not advance he must not advance we must not advance you must not advance they must not advance
Forma con V-ing
I must not be advancing you must not be advancing he must not be advancing we must not be advancing you must not be advancing they must not be advancing
Perfecto
I must not have advanced you must not have advanced he must not have advanced we must not have advanced you must not have advanced they must not have advanced
Perfecto con V-ing
I must not have been advancing you must not have been advancing he must not have been advancing we must not have been advancing you must not have been advancing they must not have been advancing
Forma interrogativa
Forma simple
must I advance? must you advance? must he advance? must we advance? must you advance? must they advance?
Forma con V-ing
must I be advancing? must you be advancing? must he be advancing? must we be advancing? must you be advancing? must they be advancing?
Perfecto
must I have advanced? must you have advanced? must he have advanced? must we have advanced? must you have advanced? must they have advanced?
Perfecto con V-ing
must I have been advancing? must you have been advancing? must he have been advancing? must we have been advancing? must you have been advancing? must they have been advancing?
Forma interro-negativa
Forma simple
must I not advance? must you not advance? must he not advance? must we not advance? must you not advance? must they not advance?
Forma con V-ing
must I not be advancing? must you not be advancing? must he not be advancing? must we not be advancing? must you not be advancing? must they not be advancing?
Perfecto
must I not have advanced? must you not have advanced? must he not have advanced? must we not have advanced? must you not have advanced? must they not have advanced?
Perfecto con V-ing
must I not have been advancing? must you not have been advancing? must he not have been advancing? must we not have been advancing? must you not have been advancing? must they not have been advancing?