This "que" serves as the 2nd "si":

Si tu pouvais avoir un million de dollars americains, mais si tu ne pourrais acheter que des choses commencant par la premiere lettre de ton prenom...qu'acheterais-tu ?

... in order to avoid the repetition of "si", "quand" etc.

This "que" usage also applies to "lorsque", "bien que" etc which already include "que" in their words.

This "que" serves as the 2nd "si":

Si tu pouvais avoir un million de dollars americains, mais si tu ne pouvais acheter que des choses commencant par la premiere lettre de ton prenom...qu'acheterais-tu ?

... in order to avoid the repetition of "si", "quand" etc.

This "que" usage also applies to "lorsque", "bien que" etc which already include "que" in their words.

This "que" serves as the 2nd "si":

Si tu pouvais avoir un million de dollars americains, mais si tu ne pourrais acheter que des choses commencant par la premiere lettre de ton prenom...qu'acheterais-tu ?

... in order to avoid the repetition of "si", "quand" etc.

This "que" serves as the 2nd "si":

Si tu pouvais avoir un million de dollars americains, mais si tu ne pourrais acheter que des choses commencant par la premiere lettre de ton prenom...qu'acheterais-tu ?

... in order to avoid the repetition of "si", "quand" etc.

This "que" usage also applies to "lorsque", "bien que" etc which already include "que" in their words.