1、Unit 4 Dont eat in class. My son is going to this school in September. He wants to know some rules about our school. Review Write down some rules in our school. (At least 4 rules) School Rules 1. _ 2. _ 3. _ 4. _ Review When you have to go to a new school, you want to be a good student so you want t
2、o know about school rules. John is at a new school. Lets see what rules his new school has. 1. What are John and Alice talking about? _ 2. How many rules does Alice mention? _ School rules. Four rules. 2d Listen and answer the questions. 1. Is John new at school? _ 2. Are there many rules at school?
3、 _ Read the conversation and answer the questions. Yes, he is. Yes, there are. 3. Can he bring music players to school? _ 4. Do they have to always wear the school uniform? _ No, he cant. Yes, they do. Dos What rules does the school have? Wear the school uniform. Be quiet in the library. Dont be lat
4、e for school. Dont bring music players to school. Donts 2d Role-play the conversation. Role-play John Alice first day some of the rules must be on time, bring music players see great, a lot of rules dont be late for ,important wear the school uniform be quiet Where is it? Library Rules 1. Dont talk.
5、 2. _ 3. _ 4. _ 3a Write the rules for the school library. Dont eat or drink Dont listen to music. Dont take photos. 方法指导：方法指导： 1. 由图示可知都是一些禁止类的祈使句。由图示可知都是一些禁止类的祈使句。 2. 可知应用“可知应用“Dont + 动词原形”句子。动词原形”句子。 Discuss and make rules for the school library. We must be quiet in the library. Dont run in the l
6、ibrary. Dont eat or drink in the library. Dont take wet umbrella to the libarry. Library Rules 1. Dont talk/Be quiet in the library. 2. Dont eat or drink in the library. 3. Dont listen to music in the library. 4. Dont take photos in the library. 5. Dont take wet umbrella to the libarry. 1. Be quiet?
7、 (she/have to /in the library) Q: Does she have to be quiet in the library? A: Yes, she does. 3b Use the words to make questions about the rules. Then write answers according to your school. 2. Eat? (he/have to/in the dinning hall) Q: _ A: _ 3. Listen to music? (we/can/in the hallways) Q: _ A: _ 4.
8、Wear a hat? (we/can/in the classroom) Q: _ A: _ 2. Eat? (he/have to/in the dining hall) Q: _? A: _ 3. Listen to music? (we/can/in the hallways) Q: _? A: _ 4. Wear a hat? (we/can/in the classroom) Q: _? A: _ Then answer the questions. Yes, he does. Does he have to eat in the dining hall Can we listen
9、 to music in the hallways No, we cant. Can we wear a hat in the classroom No, we cant. At my dream school, we dont have to come to school every day. We can eat in class. 3c Make up five cool rules for your dream school. Share your rules with the class. Your classmates vote for the Coolest School! We
10、 dont have to wear school uniforms. We can listen to music in class. We can eat in the classroom. We dont have to do homework. At my dream school, we dont have to come to school every day. We can eat in the classroom. We can listen to music in class. We dont have to do homework. We dont have to wear
11、 school uniforms at school. Great! Jims school is the coolest. 1. 不要在楼道里跑。不要在楼道里跑。 _ 2. 不要打架。不要打架。 _ 3. 有什么规则？有什么规则？ _ 4. 我们必须按时上课。我们必须按时上课。 _ Dont fight. Dont run in the hallways. What are the rules? We must be on time for class. Grammar Focus 5. 我们可以在教室里吃东西吗？我们可以在教室里吃东西吗？ _ 6. 不能。但我们可以在餐厅里吃东西。不能。但
12、我们可以在餐厅里吃东西。 _ _ 7. 我们可以在上课的时候带帽子吗？我们可以在上课的时候带帽子吗？ _ Can we wear a hat in class? No, we cant, but we can eat in the dining hall. Can we eat in the classroom? 8. 他在学校里必须穿校服吗？他在学校里必须穿校服吗？ _ 9. 是的，必须。是的，必须。/ 不，不必。不，不必。 _ 10. 你们必须做什么？你们必须做什么？ _ 11. 在图书馆里我们必须保持安静。在图书馆里我们必须保持安静。 _ Yes, he does. / No, he d
13、oesnt. Does he have to wear a uniform at school? What do you have to do? We have to be quiet in the library. 祈使句是表示请求、命令、建议等的句祈使句是表示请求、命令、建议等的句 子。子。句子中通常不出现主语句子中通常不出现主语，谓语动词谓语动词 一律用原形一律用原形。根据句子语气的强弱，句。根据句子语气的强弱，句 末用感叹号或句号。末用感叹号或句号。 一、祈使句的肯定式一、祈使句的肯定式 1. 以行为动词原形开头，简称以行为动词原形开头，简称Do型型。 e.g. Come here.
14、到这儿来。到这儿来。 2. 以动词以动词be开头，简称开头，简称Be型型。 e.g. Be quiet, please. 请安静。请安静。 3. 以以Let开头，简称开头，简称Let型型。 e.g. Lets go! 咱们走吧咱们走吧! 注意：注意： 有时可在祈使句的句首或句尾加上有时可在祈使句的句首或句尾加上 please，使语气显得客气、有礼貌。，使语气显得客气、有礼貌。如如 果在句尾加果在句尾加please，应该用逗号与前句，应该用逗号与前句 隔开。隔开。 e.g. Go this way, please. 请这边走。请这边走。 二、祈使句的否定式二、祈使句的否定式 1. Do型和型和B
15、e型的否定式是在句首加型的否定式是在句首加dont。 e.g. Dont sit here. 不要坐在这儿。不要坐在这儿。 Dont be late. 别迟到。别迟到。 2. 以以let开头的祈使句开头的祈使句，其否定式有两种：，其否定式有两种： 一种是一种是直接在句首加直接在句首加dont，另一种是，另一种是 “let + 宾语宾语 + not +动词原形动词原形+ (其他其他)”。 e.g. Dont let him go. 不要让他走。不要让他走。 Lets not go there. 咱们别去那儿。咱们别去那儿。 注意：注意： “No+名词名词/动词动词 ing形式”表示禁止或形式”表示禁止或 规劝，常用于公共场所规劝，常用于公共场所。 e.g. No photos! 禁止拍照！禁止拍照！ No smoking！ 禁止吸烟！禁止吸烟！ Why we must follow the rules
