YOU SAID:
We're going to the party tonight. Do you want to go with us?
INTO JAPANESE
今夜パーティーに行くよ。一緒に行きませんか?
BACK INTO ENGLISH
I'm going to a party tonight. Would you like to come with me?
INTO JAPANESE
今夜パーティーに行きます。一緒に行きませんか?
BACK INTO ENGLISH
I'm going to a party tonight. Would you like to come with me?
That didn't even make that much sense in English.