YOU SAID:

Do you want to come have a party

INTO JAPANESE

パーティーを来てほしい

BACK INTO ENGLISH

Want to come party

INTO JAPANESE

パーティーに来たいです。

BACK INTO ENGLISH

You want to come to the party.

INTO JAPANESE

あなたはパーティーに来たいです。

BACK INTO ENGLISH

Do you want to come to the party.

INTO JAPANESE

パーティーに来ない？

BACK INTO ENGLISH

Do you want to come to my party?

INTO JAPANESE

パーティーに来ない？

BACK INTO ENGLISH

Do you want to come to my party?