YOU SAID:

im going to party tonight

INTO JAPANESE

今夜パーティーに行く

BACK INTO ENGLISH

Go to party tonight

INTO JAPANESE

今夜のパーティーに行く

BACK INTO ENGLISH

Go to the party tonight

INTO JAPANESE

今夜のパーティーには行きますか。

BACK INTO ENGLISH

Will you go to the party tonight?

INTO JAPANESE

今夜のパーティーには行きますか。

BACK INTO ENGLISH

Will you go to the party tonight?