YOU SAID:

No way, I'm not doing that.

INTO JAPANESE

まさか、私はそうしていません。

BACK INTO ENGLISH

No way, I don't.

INTO JAPANESE

まさか、そうではない。

BACK INTO ENGLISH

No way, it's not.

INTO JAPANESE

まさか、そうではありません。

BACK INTO ENGLISH

No way, it's not.