YOU SAID:

I did this with translationParty

INTO JAPANESE

これを translationParty しました。

BACK INTO ENGLISH

This was translationParty.

INTO JAPANESE

これは、translationParty でした。

BACK INTO ENGLISH

This was the translationParty.

INTO JAPANESE

これは、translationParty だった。

BACK INTO ENGLISH

This was the translationParty.