YOU SAID:

I'm not even sure what to do with this

INTO JAPANESE

私はこれを行うに何をもないです。

BACK INTO ENGLISH

No, what I was doing this.

INTO JAPANESE

いや、何をやっていたこれ。

BACK INTO ENGLISH

No, what were you doing this.

INTO JAPANESE

いいえ、何をしていたこれ。

BACK INTO ENGLISH

No, what were you doing this.