人教版七年级下Unit4 Don’t eat in class.复习课件.ppt

* Unit 4 Don’t eat in class. Language goal: Talk about rules School rules 1. Don’t arrive late for class. You must be on time. 2. Don’t run in the hallways. 3. Don’t eat in the classroom. You must eat in the dining hall. 4. Don’t listen to music in class. 5. Don’t fight. What can you do at school? What can’t you do at school? 情态动词can表许可，意为“可以”。 can't“不可以” Activity 1. ___ listen to music in the classroom or hallways can can’t 2. ___ listen to music in the music room can can’t 3. ___ listen to music outside can can’t 4. ___ eat in the classroom can can’t 5. ___ eat in the dining hall can can’t 6. ___ eat outside can can’t 7. ___ wear a hat can can’t 8. ___ fight can can’t we can't ......,but we can..... 2a Practice Can we …? Yes, we can. No, we can’t. eat in class listen to music outside wear hats at school fight in class talk in the library John: Hi, my name’s John. It’s my first day at school. Alice: Hi, John. I’m Alice. This is a great school, but there are a lot of rules. John: Really? What are some of the rules? Alice: Well, don’t be late for class. This is very important. John: OK, so we must be on time. Can we bring music players to school? Alice: No, we can’t. And we always have to wear the school uniform. John: I see. Alice: Oh, and we also have to be quiet in the library. 2d.Role-play the conversation. 5. 情态动词have?to?的用法: “必须、不得不”,它侧重于客观上 的必要和被动。有人称和数的变化 1) 结构:主语＋have?to＋动词原形＋其他 (主语是第三人称单数时, 用has?to) 如： 我们每天必须穿校服 We?have?to?wear?school uniforms?every day. ?汤姆每天必须练习弹吉它。 Tom?has?to?practice?the?guitar?every?day. 2) 否定形式:主语＋don’t/doesn’t?have?to＋动词原形＋其他。如: 尼克不必戴帽子。 Nick?doesn’t?have?to?wear?a?hat. 今天我们不必做作业。 We?don’t?have?to?do?our?homework today. 3) 疑问句: Do?(Does) ＋主语＋have?to?＋动词 原形＋其他 如： 你必须在餐厅吃饭吗? Do?you?have?to?eat in the dining hall? Yes,?I?do.?/?No,?I?don’t.? 他必须打扫房间吗？ Does he have to clean his room? Yes, he does. / No, he doesn't. Don't run in the hallways