YOU SAID:

She borrowed the book from him many years ago and hasn't yet returned it.

INTO JAPANESE

彼女は何年も前に彼から本を借りてきて、それをまだ返さなかった。

BACK INTO ENGLISH

She borrowed the book from him many years ago, it still did not return.

INTO JAPANESE

彼女は何年も前に彼から本を借りていましたが、それはまだ戻っていませんでした。

BACK INTO ENGLISH

She was borrowed books from his many years ago, but it has not yet come.

INTO JAPANESE

彼女は彼の何年も前から借りた本だったが、それはまだ来ていません。

BACK INTO ENGLISH

She had borrowed from his many years ago, but it has not yet come.

INTO JAPANESE

彼女は彼の何年も前から借りていたが、それはまだ来ていません。

BACK INTO ENGLISH

She had borrowed from his many years ago, but it has not yet come.