YOU SAID:

It will probably take around two months to finish reading this book

INTO JAPANESE

この本を読み終えるにはおそらく2ヶ月ほどかかるだろう

BACK INTO ENGLISH

It will probably take me about two months to finish reading this book.

INTO JAPANESE

この本を読み終えるにはおそらく2か月ほどかかるでしょう。

BACK INTO ENGLISH

It will probably take me about two months to finish reading this book.