YOU SAID:

I am too lazy to attend our class, so I read a book instead.

INTO JAPANESE

私は授業に出席するのが面倒なので、代わりに本を読みます。

BACK INTO ENGLISH

I read a book instead because it is troublesome to attend class.

INTO JAPANESE

授業に出席するのは面倒なので、代わりに本を読みます。

BACK INTO ENGLISH

It is troublesome to attend classes, so I read books instead.

INTO JAPANESE

授業に出るのは面倒なので、代わりに本を読みます。

BACK INTO ENGLISH

I read a book instead because it is troublesome to attend class.

INTO JAPANESE

授業に出席するのは面倒なので、代わりに本を読みます。

BACK INTO ENGLISH

It is troublesome to attend classes, so I read books instead.

INTO JAPANESE

授業に出るのは面倒なので、代わりに本を読みます。