Unit13第3课时(SectionAGrammarFocus)（教学设计）九年级英语全一册（人教新目标GoForIt!）

Unit13We’retryingtosavetheearth第三课时（教学设计）教学目标学习目标：1.语言能力：在语境中理解、识记并运用本课时词汇：takepartin,afford,turnoff,reusable,payfor,takeaction,transportation等。2.文化意识：能够用与污染相关的词汇，对环境污染和环境保护进行简单描述。3.思维品质：能运用目标语言谈论污染问题，能在实际情景对话中认识解决空气污染和垃圾污染的方法。4.学习能力：能正确区分和使用以下语法结构：现在进行时、usedto、被动语态、现在完成时、情态动词。教学重点与难点能正确区分和使用以下语法结构：现在进行时、usedto、被动语态、现在完成时、情态动词。并能在灵活的语境中运用本课学习的语法结构。教学准备教具准备:ppt，教材，导学案教学过程老师活动学生活动设计意图Leadin(4minutes)GreettheSsShowSsavideoandaskthemwhat’shappeningtotheearth.AskSswhatcausedthewaterpollutionandhowtosolveit.1.Greettheteacher.2.Watchthevideoandanswerthequestion.Thinkaboutwhatcausedthewaterpollutionandhowtosolveit.创设情景，让学生在观看视频和图片后思考问题，提升学生思考能力。Presentation(30minutes)PresentSssomesentencesandaskthemtofindoutthegrammarpointsinthesesentences.Afterthatworkingroupsandtalkaboutonepoint.Groupone1.Theriverusedtobeclean.2.Theriverdidn’tusetobeclean.3.Didtheriverusetobeclean?4.Yes,itdid./No,itdidn’t.usedtodosthdidn’tusetodosth/usenottodosthDid...usetodosth?/Used...todosth?Yes,...did./No,...didn’t.PracticeGrouptwoSomelawsaredevelopedtostopthepollution.Thesetreeswerecutdownbytheworkerslastnight.Inthefuture,moreandmoreworkwillbedonebytherobots.Findoutthegrammarpointsinthesentencestheteachergives.Afterthatworkingroupsandtalkaboutonepoint.Afterdiscussion,theyneedtosharetheirresults.小组合作找出语法重点，然后每组选择一个语法点进行合作探究。小组合作锻炼学生的自主探究能力以及小组协作能力。4.Ithinkteenagersshouldbeallowedtochoosetheirownclothes.被动语态构成be+过去分词一般现在时被动语态am/is/are+过去分词一般过去时被动语态was/were+过去分词一般将来时被动语态will+be+过去分词有情态动词被动语态情态动词+过去分词PracticeGroupthree1.Everyoneshouldtakepartinsavingtheearth.2.Hecan’tplaytheguitar.3.Theymayhavefinishedthetasklastmonth.情态动词+动词原形情态动词没有人称和数的变化常见的情态动词can/could,may/might,must/haveto,should/oughtto,would,need等。PracticeDDACGroupfourPeoplearethrowingrubbishtotheriver.Factoriesareputtingwasteintotheriver.现在进行时的结构be（am,is,are)现在进行时含义①表示正在发生或者进行的动作。②表示当前一段时间内的活动或现阶段正在进行的动作。标志性词now,rightnow,Look!Listen!PracticeCBBGroupfive1.现在完成时的结构have/has+过去分词2.现在完成时含义①表示过去发生的事情对现在造成的影响。②表示从过去某一时间开始一直持续到现在,并还有可能继续下去的动作。3.标志性词already,yet,ever,never,just,before,once,sofar,recently,for,since.Practice输出（7minutes）Workon4aandchecktheanswers.Workon4bandchecktheanswers.Workon4aand4b.Thenchecktheanswers.Afterthat,workingroupsandtalkabout4c.Afterdiscussion,showtheirresultstotheirclassmates.当场完成教材上练习，检验课堂学习效果。巩固语法的同时，也加深对环境话题的输入。Workon4c.Makealistofthingsthatpeoplecandotohelptheenvironmentanddiscussyourlistwithyourpartner.Eg：Turnoffthelightswhenyouleavearoom.Turnofftheshowerwhileyouarewashingyourhair.Recyclebooksandpaper.合作讨论解决环保问题的方法和策略，培养学生。通过讨论环境保护巩固目标语言。Summary(2minutes)Summarizewhattheyhavelearnedinthisclass.Summarizewhattheyhavelearnedinthisclass.总结本堂课的语法知识，深层次加工所学语言，加深印象。Exercise(2minutes)AskSstofinishtheexercisesonPPT.Finshthetaskandchecktheanswers.及时检测，及时掌握学生学习情况。Homework1.Write5sentenceswiththelanguagepoints.2.Makeup5exerciseswiththeskills.3.Searchforinformationaboutenvironmen