YOU SAID:

there once was a girl who swallowed a fly i don't know why she swallowed a fly perhaps she'll die

INTO JAPANESE

かつてハエを飲み込んだ女の子がいたのですが、なぜハエを飲み込んだのかわかりませんが、おそらく死ぬでしょう

BACK INTO ENGLISH

There used to be a girl who swallowed a fly, but I don't know why she swallowed a fly, but she'll probably die.

INTO JAPANESE

ハエを飲み込んだ女の子がいたのですが、なぜハエを飲み込んだのかわかりませんが、おそらく死んでしまうでしょう。

BACK INTO ENGLISH

There was a girl who swallowed a fly, but I don't know why she swallowed it, but she probably died.

INTO JAPANESE

ハエを飲み込んだ女の子がいましたが、なぜ飲み込んだのかわかりませんが、おそらく死んでしまいました。

BACK INTO ENGLISH

There was a girl who swallowed a fly, but I don't know why she swallowed it, but she probably died.