选修六unit5 the power of nature period 3

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Period3　Grammar—the－ingForm教学内容分析　　　Thisteachingperiodmainlydealswiththegrammar：the－ingform.IntheEnglishlanguage，the－ingformofaverbmaybeapresentparticipleoragerund.Theformisidenticalandthedifferenceisinthefunction，orthejobitdoesinthesentence.Thepresentparticipleismostcommonlyused：(1)Afterverbsofmovement/positioninthepattern.(2)Afterverbsofperceptioninthepattern.Thegerundalwayshasthesamefunctionasanoun(althoughitlookslikeaverb)．Inthisperiodwewillfocusononlypartoftheusagesofthepresentparticiple，thatis，thepresentparticipleusedastheadverbial.三维目标设计　　　Knowledgeandskills1．Togetthestudentstoknowthedifferentformsandusagesofthepresentparticiple.2．Toenablethestudentstousethepresentparticipleastheadverbialcorrectlyandproperly.Processandmethods1．Toaskthestudentstopickoutthesentenceswiththe－ingformfromthereadingpassageandtranslatethemintoChinese.2．Toaskthestudentstodiscovertheformandusagesofthe－ingformbycomparingalotofexamplesentences.3．ToaskthestudentstodotheexercisesinDiscoveringusefulstructuresonPage37forstudentstomasterthe－ingform.4．Toaskthestudentstosummarizethe－ingform.5．ToaskthestudentstodotheexercisesinUsingStructuresonPage71andsomeotheradditionalexercisesforconsolidation.Emotion，attitudeandvalue1．Togetthestudentstobecomeinterestedingrammarlearning.2．Todevelopthestudents'abilityofcomparingandsummarizing.[来源:学科网]教学重、难点　　　1．Togetthestudentstomasterthestructureandusagesofthe－ingform.2．Toenablethestudentstolearnhowtousethe－ingformcorrectly.Step1　Revision1．Checkthehomeworkexercises.2．Dictatesomenewwordsandexpressions.3．TranslatethefollowingsentencesintoEnglish：(1)凯特早上看到了火山爆发，她兴奋得整夜不能入睡。(2)得知可怕的台风的消息后，我打电话给爸爸看一切是否安好。Suggestedanswers：(1)Havingseenavolcanoeruptinginthemorning，Katefeltexcitedandcouldn'tfallasleepatnight.(2)Havinggotthenewsabouttheterribletyphoon，IcalledmyfathertoseeifeverythingwasOK.Step2　WarmingupAskthestudentstogobacktoPage33andstudythefollowingthreesentencesinPre－readingandtranslatethemintoChinesepayingspecialattentiontotheirverbforms：(1)Doyouthinkyouwouldenjoystudyingvolcanoesasajob?(2)Doyoulikeworkingoutsideaswellasinside?(3)Areyouinterestedinstudyingrocksandotherthingsthatmakeupthesurfaceoftheearth? Tellthestudentsthattheabovethreesentencesarewiththe－ingformanddiscussitwiththem.Thenaskthestudentstothinkoverthequestion“Whatisthe－ingform？”Suggestedanswers：(1)你认为你会乐意把研究火山作为工作吗？(2)你喜欢室内工作同时也喜欢室外工作吗？(3)你对研究岩石及其他一些组成地球表面的物质感兴趣吗？Step3　Grammarlearning[来源:学.科.网]Askthestudentstostudythefollowingsentencesandtrytosummarizethestructuresandthemeaningsofthe－ingform.1．the－ingformastheadverbial(1)Because_I_was_feeling_tired，Iwenttobedearly.因为感到累了，所以我早早地上床睡觉了。[来源:学。科。网Z。X。X。K](＝_Feeling_tired，Iwenttobedearly.)(2)While_I_was_walkingalongthestreet，ImetMary.在街上走的时候，我遇到了玛丽。(＝Wakingalongthestreet，ImetMary.)(3)If_you_turntotheleft，youwillfindtheschool.向左转，你就会找到那个学校。(＝Turning_totheleft，youwillfindtheschool.)(4)Though_he_knowswhereIlive，henevercomestoseeme.虽然他知道我的住处，但是他从来不来看我。(＝KnowingwhereIlive，henevercomestoseeme.)(5)Istoodthere，and_waitedforher.我站在那儿等她。(＝Istoodthere，waitingforher.)2．havingdone(1)After_I_had_finishedmywork，Iwenthome.工作做完之后我就回家了。(＝Having_finishedmywork，Iwenthome.)(2)Because_the_book_had_been_writteninhaste，ithassomefaults.这本书因为仓促完成，所以有些缺憾。(＝Having_been_writteninhaste，thebookhassomefaults.)　Step4　SummingupTrytohelpthestudentsdrawthefollowingconclusions.1．The－ingformcanbeusedastheadverbialinasentencetogiveinformationabouttime，reasonsorresults.2．Weusethestructure“having＋pastparticiples”(theperfect－ingform)torefertoanactionthattookplacebeforethetimeexpressedbytheverbinthemainclause.Step5　GrammarpracticeAskstudentstodothefollowingexercises.1．Changethefollowingsentencesintothe－ingform.Puttheverbsintothecorrectforms.(1)WhenRosewokeupinthemiddleofthenight，shesawherroomwasasbrightasday.(2)Afterwehadstoppedthecar，wefoundourselvestrappedinthickfogandcouldn'tseeclearlyahead.(3)BecauseIhadspentallnightreadingthedocuments，Iwasverytiredthenextday.(4)Asthechildhadneverseenarainbowbefore，hewasveryexcited.Suggestedanswers：(1)Wakingupinthemiddleofthenight，Rosesawherroomwasasbrightasday.(2)Havingstoppedthecar，wefoundourselvestrappedinthickfogandcouldn'tseeclearlyahead.(3)Havingspentallnightreadingthedocuments，Iwasverytiredthenextday.(4)Havingneverseenarainbowbefore，thechildwasveryexcited.[来源:学|科|网]2．DoExercise4inDiscoveringusefulstructuresonPage37.Firstaskstudentstodotheexercisesindividuallyandthenletthemdiscussandchecktheiranswerswiththeirpartners，andfinallygivethemthecorrectanswersanddealwithanyproblemstheymightmeet.Step6　Gettingmoreaboutthegrammar AskstudentstogobacktoPage34andreadthroughthereadingpassageAnExcitingJobtopickoutthesentenceswiththe－ingformandthentranslatethemintoChinese.Suggestedanswers：(1)Sometimesworking_outdoors，sometimesinanoffice，sometimesusing_scientific_equipmentandsometimesmeeting_local_people_and_tourists，Iamneverbored.有时在室外工作，有时在办公室，有时工作中要用科学仪器，有时要会见当地百姓和旅游人士，我从来不感到工作烦人。(2)Myjobiscollecting_information_for_a_database_about_Mount_Kilauea，whichisoneofthemostactivevolcanoesinHawaii.我的任务是收集有关基拉韦厄火山的数据资料，这是夏威夷最活跃的火山之一。(3)Having_experiencedquiteafewearthquakesinHawaiialready，Ididn'ttakemuchnotice.因为我在夏威夷经历过多次地震，所以我对这种声音并不在意。(4)Having_studiedvolcanoesnowformanyyears，Iamstillamazedattheirbeautyaswellastheirpotentialtocausegreatdamage.虽然我从事火山研究很多年了，但我现在仍然对它们的壮丽景色和它们那潜在的巨大破坏力感到惊愕不已。Step7　ClosingdownbyaquizⅠ.Showstudentsthefollowingonthescreenorgiveouttestpaperstothem.1．Thewildflowerslookedlikeasoftorangeblanket______thedesert.A．coveringB．coveredC．coverD．tocover2．Theflowers______sweetinthebotanicalgardenattractthevisitorstothebeautyofnature.A．tosmellB．smellingC．smeltD．tobesmelt　3．Willthose______thechildrenfromabroadcometotheheadmaster'soffice?A．teachingB．teachC．whoteachesD．whoteaching4．______themeetinghimselfgavethemagreatdealofencouragement.A．ThepresidentwillattendB．ThepresidenttoattendC．ThepresidentattendedD．Thepresident'sattending5．—Whydidyougobacktotheshop?—Ileftmyfriend______there.A．waitingB．towaitC．waitD．waits6．Don'tleavethewater______whileyoubrushyourteeth.A．runB．runningC．beingrunD．torun7．Acookwillbeimmediatelyfiredifheisfound______inthekitchen.A．smokeB．smoking[来源:Z|xx|k.Com]C．tosmokeD．smoked8．When______differentcultures，weoftenpayattentiononlytothedifferenceswithoutnoticingthemanysimilarities.A．comparedB．beingcomparedC．comparingD．havingcompared9．Moreandmorepeoplearesigningupforyogaclassesnowadays，______advantageofthehealthandrelaxationbenefits.A．takingB．takenC．havingtakenD．havingbeentaken10．Daddydidn'tmindwhatweweredoing，aslongasweweretogether，______fun.A．hadB．have C．tohaveD．having11．Oilpriceshaverisenby32percentsincethestartoftheyear，______arecordUS$57.65abarrelonApril4.A．havereachedB．reachingC．toreachD．tobereaching12．Hecametothepartywithout______.A．beinginvitedB．havinginvitedC．tobeinvitedD．invitingSuggestedanswers：1．A　2.B　3.A　4.D　5.A　6.B　7.B　8.C　9.A　10.D　11.B　12.AⅡ.Completethefollowingsentencesusingthev－ingform.1．Canyouimagineyourself______inalonelyisland？(stay)2．Ican'tunderstandyour______atthatpoorchild.(laugh)3．Shedidn'tmind______overtime.(work)4．Tomakealiving，hetried______，______，andvariousotherthings，buthehadfailedinall.(write；paint)5．WearelookingforwardtoMary's______.(come)6．Shewaspraisedfor______thelifeofthechild.(save)7．Sheoughttobepraisedinsteadof______.(criticize)8．Isthereanypossibilityofour______thechampionship？(win)Suggestedanswers：1．staying　2.laughing　3.working　4.writing；painting　5.coming　6.havingsaved7．beingcriticized　8.winning　Step8　HomeworkFinishofftheWorkbookexercises.Step9　Reflectionafterteaching________________________________________________________________________________________________________________________________________________________________________________________________________________________