I must advance you must advance she must advance we must advance you must advance they must advance
Forma con V-ing
I must be advancing you must be advancing she must be advancing we must be advancing you must be advancing they must be advancing
Perfecto
I must have advanced you must have advanced she 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 she must have been advancing we must have been advancing you must have been advancing they must have been advancing
Negación
Forma simple
I mustn't advance you mustn't advance she mustn't advance we mustn't advance you mustn't advance they mustn't advance
Forma con V-ing
I mustn't be advancing you mustn't be advancing she mustn't be advancing we mustn't be advancing you mustn't be advancing they mustn't be advancing
Perfecto
I mustn't have advanced you mustn't have advanced she mustn't have advanced we mustn't have advanced you mustn't have advanced they mustn't have advanced
Perfecto con V-ing
I mustn't have been advancing you mustn't have been advancing she mustn't have been advancing we mustn't have been advancing you mustn't have been advancing they mustn't have been advancing
Forma interrogativa
Forma simple
must I advance? must you advance? must she advance? must we advance? must you advance? must they advance?
Forma con V-ing
must I be advancing? must you be advancing? must she be advancing? must we be advancing? must you be advancing? must they be advancing?
Perfecto
must I have advanced? must you have advanced? must she 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 she have been advancing? must we have been advancing? must you have been advancing? must they have been advancing?
Forma interro-negativa
Forma simple
mustn't I advance? mustn't you advance? mustn't she advance? mustn't we advance? mustn't you advance? mustn't they advance?
Forma con V-ing
mustn't I be advancing? mustn't you be advancing? mustn't she be advancing? mustn't we be advancing? mustn't you be advancing? mustn't they be advancing?
Perfecto
mustn't I have advanced? mustn't you have advanced? mustn't she have advanced? mustn't we have advanced? mustn't you have advanced? mustn't they have advanced?
Perfecto con V-ing
mustn't I have been advancing? mustn't you have been advancing? mustn't she have been advancing? mustn't we have been advancing? mustn't you have been advancing? mustn't they have been advancing?