Answer:
I don't know how many examples do you need but I left some ideas below.
Explanation:
Lee el tema del día antes de cada clase.
No uses tu celular durante clase.
No te vayas antes de clase.
Comprá los libros necesarios.
Preguntá las dudas que tengas.
No comas en clase.
No interrumpas al profesor durante la clase.
No hables durante la clase.
1) conoces (tú)
2) sabemos (nosotros)
3) conocen (ustedes)
4) sabe (él o ella)
5) conozco (yo)
6) conocemos (we)
7) sabe (él o ella)
8) conoce (él o ella)
(conocer means to be acquainted with something like a person, book, city, movie, etc)
(saber means to know a fact or you learned a certain skill. you could be talking about knowing the answers, how to play a sport, etc)
reason why is in parentheses, you don't have to write these down but i would like to let you know why these are correct :)