YOU SAID:

There one was was a boy he was going to die today but alas he didn’t know that

INTO JAPANESE

今日死ぬ男の子がいたが、悲しいかな彼はそれを知らなかった

BACK INTO ENGLISH

There was a boy who died today, but a sad thing he didn't know it

INTO JAPANESE

今日死んだ男の子がいたが、悲しいことに彼はそれを知らなかった

BACK INTO ENGLISH

There was a dead boy today, but sadly he didn't know it.

INTO JAPANESE

今日は死んだ男の子がいましたが、悲しいことに彼はそれを知りませんでした。

BACK INTO ENGLISH

There was a dead boy today, but sadly he didn't know it.