1、Unit 4,Dont eat in class.,Unit 4,Section A 2Grammar Focus-3c,Lead in,Be polite to each other.Wear school uniform.Dont be late for school.Dont say rude remarks in school.Dont eat snacks in class.Dont shout in class.,说唱下列歌谣：,1.不要在楼道里跑。_2.不要打架。_3.有什么规则？_ 4.我们必须按时上课._,阅读Grammar Focus部分，完成下列句子。,Dont figh
2、t.,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？_6.不能。但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？_,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？_9.是的，必须。/不，不必。_10.你们必须做什么？_ 11.在图
3、书馆里我们必须保持安静。_,Yes,he does./No,he doesnt.,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、建议等的句子。句子中通常不出现主语，谓语动词一律用原形。根据句子语气的强弱，句末用感叹号或句号。,祈使句,一、祈使句的肯定式1.以行为动词原形开头，简称Do型。e.g.Come here.到这儿来。2.以动词be开头，简称Be型。e.g.Be quiet,please.请安静。3.以Let
4、开头，简称Let型。e.g.Lets go!咱们走吧!,注意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。如果在句尾加please，应该用逗号与前句隔开。e.g.Go this way,please.请这边走。,二、祈使句的否定式1.Do型和Be型的否定式是在句首加dont。e.g.Dont sit here.不要坐在这儿。Dont be late.别迟到。2.以let开头的祈使句，其否定式有两种：一种是直接在句首加dont，另一种是“let+宾语+not+动词原形+(其他)”。e.g.Dont let him go.不要让他走。Lets not go there.咱们别
5、去那儿。,注意“No+名词/动词ing形式”表示禁止或规劝，常用于公共场所。e.g.No photos!禁止拍照！No smoking！禁止吸烟！,将下列句子翻译成英语。1.请看这幅图画。2.不要在教室里跑。3.让我们帮助他。,Please look at the picture./Look at the picture,please.,Dont run in the classroom.,Lets help him.,4.在图书馆保持安静。5.上课不要迟到。,Be quiet in the library.,Dont be late for class.,Library RulesDont
6、talk._,3a Write the rules for the school library.,Dont listen to music.,Dont eat or drink.,Dont take photos.,方法指导：1.由图示可知都是一些禁止类的祈使句。2.可知应用“Dont+动词原形”句子。,Be quiet?(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
7、.Then write answers according to your school.,Writing,2.Eat?(he/have to/in the dinning hall)Q:_ A:_Listen to music?(we/can/in the hallways)Q:_ A:_ 4.Wear a hat?(we/can/in the classroom)Q:_ A:_,1.根据例句，可知要求我们造一般疑问句并根据实际情况进行回答。2.先确定句子的主语。3.再确定用情态动词还是用助动词来构成疑问语序。4.根据实际情况做出肯定或否定回答，答语的主语要与问句保持一致。,方法指导,2.E
8、at?(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 to music in the hallways,No,we cant.,Can we wear a hat in the classroo
9、m,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 dont have to wear school uniforms.,We can listen to music in class.,We can
10、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 school uniforms at school.,Report,Great!Jims school is the coolest.,Discuss and
11、make rules for the computer room in your school.,Computer Rules _ _ _ _ _,Group work,We must be quiet in the computer room.,Dont run in the computer room.,Dont eat or drink in the computer room.,Wear slippers in the computer room.,Report,Computer Rules _ _ _ _ _,We must be quiet in the computer room
12、.,Dont eat or drink in the computer room.,Dont run in the computer room.,Wear slippers in the computer room.,Clean the computer room every day.,1.He has to eat breakfast quickly.(改为一般疑问句)_2.Play volleyball after class.(改为否定句)_,句型转换,Does he have to eat breakfast quickly?,Dont play volleyball after cl
13、ass.,Exercise,3.We can wear sports shoes in class.(改为一般疑问)_4.Dont arrive late for class.(改为同义句)_5.Eric has to do his homework before six.(对划线部分提问)_,Can we wear sports shoes in class?,We must be on time for class.,What does Eric have to do before six?,Homework,1.Remember the sentences in the Grammar Focus.2.Write five rules in your family.,Thank you!,
