七年级英语下册 Unit 4 Don’t eat in class（第2课时）Section A（2a3c）课件 （新版）人教新目标版

Unit 4 Dont eat in classSection A A 第第2 2课时课时(2a-3c)(2a-3c) Our school is very beautiful , there are a lot of rules helping us to study better.What are they?1.Dont arrive late for class. You must be on time.2.Dont run in the hallways.3.Dont eat in the classroom.You must eat in the dining hall.4.Dont listen to music in class.5.Dont fight.Listen check () the activities Alan and Cindy talk about.2a1. _ listen to music in the classroom or hallways2. _ listen to music in music room3. _ listen to music outside4. _ eat in the classroom5. _ eat in the dinning hall6. _ eat outside7. _ wear a hat8. _ fight 2aListen again. Can Alan and Cindy do these activities? Circle can or cant above.2b1.listen to music in the classroom or hallways2.listen to music in music room3.listen to music outsidecan cantcan cantcan cant4.eat in the classroom5.eat in the dining hall6.eat outside7.wear a hat8.fightcan cantcan cantcan cantcan cantcan cant Student A is Alan. Student B is Cindy. Talk about the rules in 2a. 2cWhat are the school rules,Alan?Well, we cant listen to music in the classroom .But we can listento music in music room.We cant eat in the classroom, but we can eat in the dining hall.Anything else?I want to know more.2c2cCan I wear a hat in the classroom.I have a very beautiful hat.No, you cant. And you must not fight with your classmates. It will destroy your fellings.Read the conversation and complete the sentencese.2c1.Johns new school has _ .2.Its important _ .3.John cant _ music players to _.4.John_wears uniforms to school and _ in the library.a lot of rulesto be on timebringschoolalwaysis quite2d. Role-play the conversation. Hi, my names John. Its my first day at school. Hi, John. ImAlice. This is a great school,but there area lot of rules.2dReally? What aresome of the rules?Well, dont be late for class. This is very important.OK, so we mustbe on time. Canwe bring musicplayers to school?No, we cant. And we always have to wear the school uniform.2dOh, and we alsohave to be quietin the library. 2dI see.Grammer FocusDont run in the hallways.Dont fight.What are the rules?We must be on time for class.Can we eat in the classroom?No, we cant, but we can eat in the dining hall.Can we wear a hat in class?Yes, we can. / No, we cant.Does he have to wear a uniform at school?Yes, he does. / No, he doesnt.What do you have to do?We have to be quiet in the library.Write the rules for the school library.3aLibrary Rules1. Dont talk.2. _3. _4. _Dont listen to music.Dont eat or drink.Dont take photos. Use the words to make questions about the rules. Then write answers according to your school.3b1. Be quiet? (she/have to /in the library) Q: Does she have to be quiet in the library? A: Yes, she does.2. Eat? (he/have to/in the dinning hall) Q: _ A: _Does he have to eat in the dining hall?Yes, he does.Listen to music? (we/can/in the hallways) Q: _ A: _ 4. Wear a hat? (we/can/in the classroom) Q: _ A: _Can we listen to music in the hallwaysNo, we cant.Can we wear a hat in the classroomNo, we cant.3bWe can eat in class. At my dream school, we dont have to come to school every day.We3c. Make up five cool rules for your dream school. Share your rules with the class. Your classmates vote for the Coolest School! 一一.祈使句祈使句1.含义：该句经常用来表示含义：该句经常用来表示请求、命令、叮嘱、请求、命令、叮嘱、建议建议等，等，谓语动词用原形，句子没有主语，句子谓语动词用原形，句子没有主语，句子使用感叹号或者句号使用感叹号或者句号 。2.句子结构句子结构（1）肯定句：）肯定句：be或行为动词原形或行为动词原形+其他。其他。如：如：Listen to me, please. 请听我说。请听我说。 Language pointsLanguage points（2）否定句：）否定句：Dont+be或行为动词原形或行为动词原形+其其他。他。如：如：Dont eat in the classroom. 不要在教室里吃东西。不要在教室里吃东西。 3.句子类型句子类型（1）Be型：型：Be表语表语 。如：如：Be quick!快一点！快一点！（2）V型：型：行为动词行为动词+宾语（宾语（V若是不及物动词若是不及物动词则无宾语）则无宾语）+其他成分。其他成分。如：如：Close the door,please.请关门！请关门！（3）L型：型：Let +宾语宾语+动词原形动词原形+其他成分。其他成分。注：注：let后面的宾语是第一人称的时候，否定形后面的宾语是第一人称的时候，否定形式是在宾语后面加式是在宾语后面加not。如：如：Lets not do that again. 咱们别那样做了。咱们别那样做了。 如果如果let的后面宾语是第三人称的时候，否定的后面宾语是第三人称的时候，否定形式是在形式是在let前加助动词前加助动词dont。如：如：Dont let them come in. 不要让他们进来。不要让他们进来。Language points二：情态动词二：情态动词must与与have to1.must:表示说话人的主观看法，即主观上的表示说话人的主观看法，即主观上的必要性，还用来表示命令和愿望必要性，还用来表示命令和愿望。如：如：You must finish your homework. 你必须做完你的作业。你必须做完你的作业。 2.have to 表示客观需要，即周围的环境、习表示客观需要，即周围的环境、习惯等要求某人不得不或必须去做某事。惯等要求某人不得不或必须去做某事。Language points如：如：My mother is ill.I have to look after my litter sister.我妈妈病了我妈妈病了,我必须在家照看我妹妹。我必须在家照看我妹妹。注：注：(1)must只用于现在时，在表示过去、将只用于现在时，在表示过去、将来和完成时，用来和完成时，用have to的相应形式来代替的相应形式来代替must。如：如：I had to get up early yesterday. 我昨天必须早起。我昨天必须早起。Language points(2) have to的的否定形式否定形式为为not have to，相当于相当于neednt，意为，意为“不必不必”；must的的否定形式否定形式为为must not，缩写为，缩写为mustnt，意为，意为“不能，千万不能不能，千万不能”。如：如：You dont have to go there now. 你现在不必去那儿。你现在不必去那儿。Language points一一.单项选择单项选择( )1. _ with fire. Its very dangerous. A. Playing B. Play C. Dont play D. Doesnt play( )2.The children _ play football on the road.A. can B. must C. mustnt D. may( )3.My sister _ be at school by seven oclock.A. has to B. have to C. had to D. must to ( ) 4. Its raining all day, so my brother _ stay at home.A. must B. have toC. must to D. has to CCAD小结训练小结训练完成当堂测评作业。完成当堂测评作业。