YOU SAID:

why must you do the thing you do

INTO JAPANESE

なぜあなたはあなたのことを行う必要があります。

BACK INTO ENGLISH

Why do you do that you need.

INTO JAPANESE

なぜあなたを行う必要があります。

BACK INTO ENGLISH

Why do you need.

INTO JAPANESE

これが必要な理由は何ですか？

BACK INTO ENGLISH

Why do you need this?

INTO JAPANESE

これが必要な理由は何ですか？

BACK INTO ENGLISH

Why do you need this?