2016春人教版七年级下册英语课件Uint4 2.ppt

1、Tell your classmates what the rules should be. Who is the fastest?Dont fight with your classmates.Dont listen to music in the classroom.Dont arrive late for school.Dont run in the hallways. Dont eat in the classroom. You must eat in the dining hall.1. _ listen to music in the classroom or hallways2.

2、 _ listen to music in music room3. _ listen to music outside2a Listen check () the activities Alan and Cindy talk about.4. _ eat in the classroom5. _ eat in the dinning hall6. _ eat outside7. _ wear a hat8. _ fight 1. listen to music in the classroom or hallways2. listen to music in music room3. lis

3、ten to music outside4. eat in the classroom5. eat in the dining hall6. eat outside7. wear a hat8. fight can cantcan cantcan cantcan cantcan cantcan cantcan cantcan cant2b Listen again. Can Alan and Cindy do these activities? Circle can or cant above.Well, we cant listen to music in the classroom or

4、hallways.But we can listen to music in music room.2c Student A is Alan. Student B is Cindy. Talk about the rules in 2a. What are the school rules, Alan?We cant eat in the classroom, but we can eat in the dining hall.Uh-huh.No, you cant. What else? Oh, you cant fight with your classmates. That makes

5、the teachers really unhappy.Oh, can we wear a hat in class?I see.1. Is John new at school? _2. Are there many rules at school? _2d Read the conversation in 2d and answer the questions.Yes, he is.Yes, there are.3. Can he bright music players to school? _4. Do they have to always wear the school unifo

6、rm? _No, he cant. Yes, they do.2d Role-play the conversation.1. wear v. 意为意为“穿、戴穿、戴” e.g. My aunt wears a blue skirt and a white T-shirt.我姑姑穿着蓝色的裙子，白色的我姑姑穿着蓝色的裙子，白色的T恤。恤。 Does he wear glasses?他戴眼镜吗？他戴眼镜吗？ 5. have to与与must have to着重于客观的需要，含有着重于客观的需要，含有“不得不得不不”的客观强制性；的客观强制性；must着重于主观上着重于主观上自己认为有义务、有必要

7、自己认为有义务、有必要。 e.g. She has to clean the room every week. 她每周都得打扫房间。她每周都得打扫房间。 I must go now. 我现在必须走。我现在必须走。含有含有have to的句子变一般疑问句或否定的句子变一般疑问句或否定句时要句时要借助助动词借助助动词do / dont或或does / doesnt；而含有；而含有must的句子变一般疑问的句子变一般疑问句是直接将句是直接将must提前至句首，变否定句提前至句首，变否定句是在是在must后加后加not。e.g.He doesnt have to do it. 他不必做那件事。他不必做

8、那件事。He mustnt do it. 他不许做那件事。他不许做那件事。Does he have to finish it now? 他不得不现在完成那件事吗？他不得不现在完成那件事吗？ Must he do his homework? 他必须做他的作业吗？他必须做他的作业吗？在否定句中，在否定句中，dont / doesnt have to表示表示“没有必要没有必要”，must not / mustnt表示表示“不允许、禁止不允许、禁止”。e.g.You dont have to go there. 你不必去那儿。你不必去那儿。 You must not / mustnt go there

9、. 你不许去那儿。你不许去那儿。一、用一、用have to, must 填空填空1. Its cold outside. We _ stay at home.2. We _ be good with our parents.have tomust根据各题后括号内的要求完成下列各题。根据各题后括号内的要求完成下列各题。 1. He has to wear the school uniform at school. (改为一般疑问句改为一般疑问句) _ he _ wear the school uniform at school?2. They have to do too much homework every day. (改为否定句改为否定句) They _ do too much homework every day. Doeshave to dont have to 3. We must fin