Unit4SectionAGrammarFocus-3c课件--人教版七年级下册英语.pptx

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1、Unit 4What can you do at school or in the classroom?What cant you do?Wecanplaycomputergames.dohomeworkinclass.listentotheteachersinclass.watchTVonschoolnights.readabook.wearhatsinclass.ridebikesatschool.drawonthewall.eatanythinginclass.listentomusicinclass.Wecantarrivelateforclass=belateforclassB:No

2、,wecant.Wecantarrivelateforclass.A:So,dontarrivelateforclass.A:Canwearrivelateforclass?.A:Canweruninthehallways?B:No,wecant.Wecantruninthehallways.A:So,dontruninthehallways.hallwayB:No,wecant.Wecantfight.A:So,dontfight.A:Canwefight?A:Dontchatinclass.B:Wecantchatinclass.A:Canwechat(聊天聊天)inclass?A:Can

3、weeatintheclassrooms？dininghallB:No,wecant.Wecanteatintheclassrooms.Wecaneatoutside.Wehavetoeatinthedininghall.A:So,donteatintheclassrooms.A:Canwelistentomusicintheclassrooms?B:No,wecant.Wecantlistentomusicintheclassrooms.Butwecanlistentoitinthemusicroom.A:So,dontlistentomusicintheclassrooms.A:Canwe

4、playbasketballintheclassrooms?B:No,wecant.Wecantplaybasketballintheclassrooms.Wehavetoplayitontheplayground.A:So,dontplaybasketballintheclassrooms.Pleaseplayitontheplayground.LibraryRules1.Donttalk.2._3._4._3a Writetherulesfortheschoollibrary.Donteatordrink.Donttakephotos.方法指导：方法指导：1.由图示可知都是一些禁止类的祈使

5、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+动词原形动词原形”句子。句子。Dontlistentomusic.Bequiet.Nofood.Discussandmakerulesforthecomputerroominyourschool.slipper(鞋套鞋套)ComputerRules1._2._3._4._5._ComputerRules1._2._3._4._5._Wemustbequietinthecomputerroom.Donteatordrinkinthecomputerroom.Dontruninthecomputerroom.Wearslippe

6、rsinthecomputerroom.Cleanthecomputerroomeveryday.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._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？_阅读阅读GrammarFocus部分，完成下列句子。部分，完成下列句子。Dontfight.Dontruninthehallways.Whataretherules?Wemu

7、stbeontimeforclass.Canweeatintheclassroom?No,wecant,butwecaneatinthedininghall.Canwewearahatinclass?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,hedoes./No,hedoesnt.Doeshehavetowearauniformatschool?Whatdoyouhavetodo?Wehavetobequietinthe

8、library.肯定的祈使句：肯定的祈使句：Comein,please!请进！请进！Sitdown,please.请坐。请坐。Letsgohome.我们回家吧。我们回家吧。否定否定的祈使句是在动词前的祈使句是在动词前(即句首即句首)加加Dont.Donttalkinclass!不要在课堂上讲话！不要在课堂上讲话！Dontopenthewindow!别开窗！别开窗！Dontbelateforschool!上学别迟到上学别迟到祈使句是表示请求、命令、建议等的句祈使句是表示请求、命令、建议等的句子。通常省略主语子。通常省略主语，谓语动词一律，谓语动词一律用用。根据句子语气的强弱，句末用。根据句子语气

9、的强弱，句末用号或号或号。号。原形原形感叹感叹句句you一、祈使句的肯定式一、祈使句的肯定式1.以以开头，简称开头，简称Do型。型。e.g.Comehere.到这儿来。到这儿来。2.以动词以动词开头，简称开头，简称Be型。型。e.g.Bequiet,please.请安静。请安静。行为动词原形行为动词原形be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，使语气显得客气、有礼貌。如果在句尾，使语气显得客气、有礼貌。如果在句尾加加，应该用，应该用与前句隔开。与前句隔开。e.g.Gothisway,please.请这边走。请这边走。pleaseplease逗号逗号二、祈使句的否

10、定式二、祈使句的否定式Do型和型和Be型的否定式是在句首加型的否定式是在句首加。e.g.Dontsithere.不要坐在这儿。不要坐在这儿。Dontbelate.别迟到。别迟到。dont将下列句子翻译成英语。将下列句子翻译成英语。1.请看这幅图画。请看这幅图画。2.不要在教室里跑。不要在教室里跑。3.在图书馆保持安静。在图书馆保持安静。Pleaselookatthepicture./Lookatthepicture,please.Dontrunintheclassroom.Be quiet in the library.4.让我们帮他。让我们帮他。5.上课不要迟到。上课不要迟到。6.禁止游泳！

11、禁止游泳！Dontbelateforclass.Letshelphim.Noswimming!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!以以let开头的祈使句，其否定式有两种：开头的祈使句，其否定式有两种：一种是直接在句首加一种是直接在句首加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。“No+名词名词/动词动词 ing形式形式”表示禁止或规劝，表示禁止或规劝，常用于公共场所常

12、用于公共场所。e.g.Nophotos!禁止拍照！禁止拍照！Nosmoking！禁止吸烟！禁止吸烟！祈使句用来表示命令、建议，但我们也可以用cant和have to，must来表示。E.g Dont open the door.You cant open the door.Please do your homework first.You have to do your homework first.Be on time for class,please.You must be on time for class.LibraryRules1.Donttalk.2._3._4._Task1 Wr

13、itetherulesfortheschoollibrary.Dontlistentomusic.Donteatordrink.Donttakephotos.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+动词原形动词原形”句子。句子。1.Bequiet?(she/haveto/inthelibrary)Q:Doesshehavetobequietinthelibrary?A:Yes,shedoes.3b Usethewordstomakequestionsabouttherules.Thenwriteanswersa

14、ccordingtoyourschool.1.根据例句，可知要求我们造一般疑问句根据例句，可知要求我们造一般疑问句并根据实际情况进行回答。并根据实际情况进行回答。2.先确定句子的主语。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再确定用情态动词还是用助动词来构成疑问语序。疑问语序。4.根据实际情况做出肯定或否定回答，答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。语的主语要与问句保持一致。2.Eat?(he/haveto/inthedininghall)Q:_?A:_3.Listentomusic?(we/can/inthehallways)Q:_?A:_4.Wear

15、ahat?(we/can/intheclassroom)Q:_?A:_Thenanswerthequestions.Yes,hedoes.DoeshehavetoeatinthedininghallCanwelistentomusicinthehallwaysNo,wecant.CanwewearahatintheclassroomNo,wecant.Atmydreamschool,wedonthavetocometoschooleveryday.Wecaneatinclass.3c Makeupfivecoolrulesforyourdreamschool.Shareyourruleswit

16、htheclass.用所给单词的适当形式填空。用所给单词的适当形式填空。1.Dont_(listen)tomusicinthelibrary.2.Dowehaveto_(clean)theroomeveryday?3.Youcant_(wear)sunglassesintheclassroom.4.Please_(arrive)atschoolon time(准时准时).5.Johnisoftenlatefor_(class).classlistencleanweararrive将下面的句子改为祈使句，每空一词。1.You can come in._ _,please.2.I can help

17、 you._ me _ you.3.You cant eat in class._ _ in class.4.You cant be late for school._ _ late for school.5.You cant take photos here._ photos here.Come inLet helpDont eatDont beNo1.late,dont,for school,arrive 2.music,listen to,in the classroom,dont 3.eat,cant,in the classroom,we Dont arrive late for s

18、chool.Dont listen to music in the classroom.We cant eat in the classroom.Form sentences.组句组句 1._ fight with others.A.Not B.No C.Dont D.Doesnt2.-_we eat in the dining hall?-Yes,we_A.Do,does B.Can,do C.Do,can D.Can,can3.You cant eat _ outside.A.at B.C.in D.on4.Listen to music in hallways.(改为否定句改为否定句)listen to music in hallways.5.Dont arrive late for class.(改为同义句改为同义句)Dont _ _ for class.Dontbe lateWritedowntensentencesaboutwhatyoucanorcantdoinyourhouse.Wecanteatinbed.Wecantfight.