According to the characteristics of the tone, it is more euphemistic to change what you don't want to do to what you please do.
Play the video of campus violation recorded by the teacher and guide the students to say "Pleaselistentotheteacher!" Don't steal! "The imperative sentence written by the teacher on the blackboard. Asking students what codes of conduct the school knows can be extended to the rules and regulations of different occasions and guide students to express themselves in English as much as possible. Ask the students what rules and regulations the library will have. Students may not be able to express themselves well in English. Tell the students that today's text is about library rules and regulations. After studying, everyone should try to make a rule for a public classroom in the school, such as reading room, computer room, language lab and music classroom. By playing video and some intuitive teaching of common sense around us, students can accept and understand it more easily, study with greater interest, study in depth involuntarily, and master the essentials and new knowledge of this lesson.