YOU SAID:
wanna go to the party tonight?
INTO JAPANESE
今夜パーティに行きたい?
BACK INTO ENGLISH
Do you want to go to a party tonight?
INTO JAPANESE
あなたは今夜パーティーに行きたいですか?
BACK INTO ENGLISH
Do you want to go to a party tonight?
That didn't even make that much sense in English.