YOU SAID:

I am reading a book, but it is not very good

INTO JAPANESE

私は本を読んでいるが、あまり良くない

BACK INTO ENGLISH

I'm reading a book, but it's not very good

INTO JAPANESE

本を読んでいるが、あまり良くない

BACK INTO ENGLISH

I read a book, but it's not very good

INTO JAPANESE

本を読んだがあまり良くない

BACK INTO ENGLISH

I read a book, but it's not very good.

INTO JAPANESE

私は本を読んだが、あまり良くない。

BACK INTO ENGLISH

I have read a book, but it is not very good.

INTO JAPANESE

本を読んだことがあるが、あまり良くない。

BACK INTO ENGLISH

I've read a book, but it's not very good.

INTO JAPANESE

本を読んだことがあるが、あまり良くない。

BACK INTO ENGLISH

I've read a book, but it's not very good.