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