YOU SAID:

Why aren't you going to the party?

INTO JAPANESE

なぜあなたはパーティーに行かないのですか?

BACK INTO ENGLISH

Why don't you go to the party?

INTO JAPANESE

なぜ　行きたくないの？

BACK INTO ENGLISH

Why don't you want to go to the party?

INTO JAPANESE

なぜ　行きたくないの？

BACK INTO ENGLISH

Why don't you want to go to the party?