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