расскажи, чем будет заниматься твой одноклассник на уроках. начинай так: you will read, посоветуй, как он должен вести себя на уроках. начинай так: you must sit at the desk, in the lesson. посоветуй, как он не должен вести себя на уроках. начинай так: you musn`t talk with your friends,

You will read, write and do exercises in the lesson.
You must sit at the desk, listen to teacher and write careful in the lesson.
You musn't talk with your friends, interrupt teacher, when he is explain anything and draw anything in your notebook in the lesson.

You will read, write and work on the lesson.
You must sit at the desk and listen to your teacher
You mustn't talk with your friends, and

to prevent the teacher to lead a lesson