Unit 4 Section A (Grammar Focus-3c) 课件-2023-2024学年人教版英语七年级下册

Unit 4 Don’t eat in class. Section A Grammar Focus-3c 1 Let’s play a game Mine sweeping in class in the dining hall in the hallways wear the school uniform must wear a hat a lot of school rules have to fight with sb. listen to music be on time 在走廊上 听音乐 在餐厅 在课堂上 和某人打架 准时 戴帽子 必须 不得不 许多 校规 穿校服 Warm up Look and say. Don't fight in the classroom. Don't listen to music in the classroom. Don't arrive late for class. Don't run in the hallways. Don't wear hats in the classroom. Don't eat in the classroom. Don’t run in the hallways. Don’t fight. What are the rules? We must be on time for class. Can we eat in the classroom? No, we can’t, but we can eat in the dining hall. Can we wear a hat in class? Yes, we can./No, we can’t. Does he have to wear a uniform at school? Yes, he does./No, he doesn’t. What do you have to do? We have to be quiet in the library. Grammar Focus 1.祈使句的肯定句和否定句是怎样构成的？一般什么情况下使用祈使句？ 2.圈出情态动词， 观察它们在用法上有什么共同点？ 3.can 在本单元主要表示什么含义？它还可以表达什么意思？ 4.have to 在句法上和其他情态动词的区别在哪里？ Rule 1: Don’t fight. Rule 2: Don’t eat in the classroom. Rule 3: Don’t listen to music in class. Rule 4: Don’t arrive/be late for class. Rule 5: Don’t run in the hallways. Rule 6: Don’t wear a hat in class. Let’s read and learn 1.什么是祈使句？ 表达命令,请求,劝告,警告,禁止等的句子。 2. 祈使句的特点: ①省略______; ②开头多为动词________。 主语（第二人称you） 原形 探究一 ：祈使句 Observe and find common points in sentences. Take notes, please. Don't eat food. Get your hair cut! Be quiet! order request suggestion persuasion 表示____、____、____、____。 祈使句 命令 建议 请求 劝告 特点 主语常常被省略 谓语动词用原型 句末用感叹号或句号 用降调 Presentation 肯定句 1. Sit down, please！ 2. Please call Mrs. Miller. 1. Be quiet, please！ 2. Be on time at school. 1. Let’s join the art club. 2. Let’s paly basketball. Do型 Be型 Let型 否定句 1. Don’t be late. 2. Don’t run in the hallways. 3. Don’t let her go. 1. No photos. =Don’t take photos 2. No talking. 禁止 Don’t型 No型 动词原形+其他 Be+其他 Let sb. do+其他 Don’t be+其他 Don’t do+其他 Don’t let sb