main text

I read the main text.

私は本文を読みます

I read the main text in the classroom.

私は教室で本文を読みます

I read the main text in the classroom before the lesson.

私は授業の前に教室で本文を読みます

I read the textbook's main text in the classroom before the lesson.

私は授業の前に教室で教科書の本文を読みます

I read the textbook's main text twice in the classroom before the lesson.

私は授業の前に教室で教科書の本文を二回読みます