YOU SAID:

did someone say party?

INTO JAPANESE

パーティーと誰か言いましたか。

BACK INTO ENGLISH

Do you did someone say party it?

INTO JAPANESE

あなたは誰かとパーティーをしたことか。

BACK INTO ENGLISH

You had a party with someone?

INTO JAPANESE

あなたは誰かとパーティーを持っていた?

BACK INTO ENGLISH

You had a party with someone?