YOU SAID:

9/11 is NOT a good thing.

INTO JAPANESE

9/11 は、良いことではないです。

BACK INTO ENGLISH

9 / 11 is not that good.

INTO JAPANESE

9/11 が良いことではありません。

BACK INTO ENGLISH

Not that 9 / 11 was good.

INTO JAPANESE

その 9/11 が良かった。

BACK INTO ENGLISH

9 / 11 was good.

INTO JAPANESE

9/11 が良かった。

BACK INTO ENGLISH

9 / 11 was good.