YOU SAID:

Please tell me if you are coming to the Hens party.

INTO JAPANESE

ヘンズパーティーに来るなら教えてください。

BACK INTO ENGLISH

Please let me know if you are coming to the Hens party.

INTO JAPANESE

あなたがヘンズパーティーに来るなら、私に知らせてください。

BACK INTO ENGLISH

If you come to the Hens party, let me know.

INTO JAPANESE

あなたがヘンズパーティーに来たら、私に知らせてください。

BACK INTO ENGLISH

Let me know when you come to the Hens party.

INTO JAPANESE

あなたがヘンズパーティーに来たときに私に知らせてください。

BACK INTO ENGLISH

Let me know when you come to the Hens party.