YOU SAID:

I leave my book in the class

INTO JAPANESE

私は本を授業に残している

BACK INTO ENGLISH

I keep my books in class

INTO JAPANESE

私は本をクラスに置いている

BACK INTO ENGLISH

I keep books in my class

INTO JAPANESE

私はクラスに本を置いている

BACK INTO ENGLISH

I have a book in my class

INTO JAPANESE

クラスに本がある

BACK INTO ENGLISH

There's a book in the class.

INTO JAPANESE

授業中に本がある。

BACK INTO ENGLISH

I have a book in class.

INTO JAPANESE

私は授業中に本を持っている。

BACK INTO ENGLISH

I have a book in class.