Unit+2+Using+Language+教案 高中英语外研版（2019）选择性必修第三册

Unit2.UsingLanguageGrammar:PredicativeclausesLearningObjectives:Inthisperiod,youaresupposedtolearnpredicativeclauses.Learningpointsanddifficulties:LearntousepredicativeclausescorrectlyLearningmethods:IndependentthinkingEffectivepairworkandgroupwork.ActivePresentationLearningprocedures:表语从句是指一个句子作为表语,放在系动词之后,说明主语是什么或者怎么样。含有表语从句的复合句的一般结构为“主语+系动词+表语从句”,表语从句用陈述语序。可接表语从句的系动词有be,look,seem,sound,appear等。1.表语从句的连接词类别连接词例句从属连词that不作句子成分，也没有意义，通常不能省略Mysuggestionisthatyoushouldhavepatience.我的建议是你应该有耐心whether不作句子成分，但有“是否”的意义，一般不用if代替Thequestioniswhetherwecancutdownthecostsoftheproduct.问题是我们能否降低这款产品的成本。连接代词who,whom,whose,what,which,whoever,whatever,whichever等。在从句中作主语、宾语、表语或定语。Theproblemiswhocancompletethedifficulttask.问题是谁能完成这项困难的任务。Thisisjustwhatwearealwayslookingforwardto.这正是我们一直盼望着的。连接副词主要有when,where,why,how。它们在从句中分别做时间、地点、原因、方式状语。Thatiswherehewasbornandbroughtup.那就是他出生和被养大的地方。Theirdifficultyishowtheycancleartheirdebts.他们的困难是怎样才能还清债务。其他连接词because,asif/though等Hehastowatchhisweight.Thatisbecausehehasheartdisease.他得注意自己的体重，那是因为他有心脏病。2.表语从句中需要注意的问题（1）asif/though引导的表语从句的语气asif/though引导的表语从句常置于系动词look，appear，sound,feel等后。若表述真实的情况，就用陈述语气；若表述与客观事实相反的假设，则用虚拟语气。Eg.Itlooksasifhebenefitsalotfromtheproject.看起来他好像从这个项目中获益不少。（陈述语气）Itlooksasif/thoughheweredrunk.他看上去好像喝醉了。（虚拟语气）表语从句的特殊句式Thereasonwhy...isthat...的原因是This/This/Itisbecause...这/那是因为This/This/Itiswhy...这/那就是的原因Eg.Thereasonwhyhedidn’tcomeisthathehadnotreceivedtheinvitation.他没来的原因是他没有收到请柬。Thewomanwasweepingbitterly.That’sbecausehersonwasdrownedinariver.那个女人痛哭流涕，那是因为她的儿子在河中溺亡了。（先果后因）Thewoman’ssonwasdrownedinariver.That’swhyshewasweepingbitterly.那个女人的儿子在河中溺亡了，那就是她痛哭流涕的原因。（先因后果）③表语从句中的虚拟语气主语是表示“建议、命令、要求”的名词,如suggestion,advice,proposal,order,comma是所有男孩子要迅速在汽车周围集合。④引导表语从句的that通常不省略,但在口语或非正式语体中有时也可省略。Thetroubleis(that)heisill麻烦的是，他生病了。[即时巩固]Ⅰ.单句语法填空1．—WhatdoyouthinkofChina?—Howdifferentitistodayfromitusedtobe!2．Itrulybelievebeautycomesfromwithin.3．WemustfindoutKarliscoming,sowecanbookaroomforhim.4．Ashipinharborissafe，butthat'snotshipsarebuiltfor.5．Theexhibitiontellsusweshoulddosomethingtostopairpollution.6．Motivationisyouneedmosttodoagoodjob.7．Seetheflagsonthetopofthebuilding?Thatwaswedidthismorning.8．PeopleinChongqingareproudoftheyhaveachievedinthepasttenyears.9．Whenaskedtheyneededmost，thekidssaidtheywantedtofeelimportantandloved.10．Someoneisringingthedoorbell.Goandseeitis.Ⅱ.单句改错1．Myideaisyoushouldnotrelyonotherstodoeverythingforyou.2．Thisisthattheyhavebeeneatingthesedays.3．Thatwaswecampedlasttime.4．Myquestionisifyouwillgototheparktomorrow.5．Itlooksthatsheweredrunk.6．Thefactiswhetherweshoulddependonourselves.7．WhatIwanttoknowisthatyoucanpersuadehimtogo.8．Themostpleasantthingoftherainyseasoniswhatonecanbeentirelyfreefromdust.9．Fameandpersonalgainiswhythey'reafter.10．Fromspace,theearthlooksblue.Thisiswhyaboutseventy­onepercentofitssurfaceiscoveredbywater.Ⅲ.完成句子1．Whatismoreseriousis.更严重的是，我们不珍惜(cherish)野生动物。2．Theproblemisattheairport.问题是你是否能够到机场去接他。3．Whatsurprisedmemostwas.使我最惊奇的是这个瘦弱的女孩获得了三枚金牌。4．we'vebeenlongingfor.这就是我们一直渴望得到的。5．Withouthissupport,wewouldn'tbe.假如没有他的帮助，我们就不会取得现在的成就。ExercisesⅠ.选词填空(when/that/where/why/that/because)1．Lookatthehighmountain.Thatiswewillget.2．Thefirsttimewemeteachotherwaswestudiedinthatschool.3．Myadviceiswe(should)worktogether.4．Itwasraininghard；thatwasIcamelate.5．Icamelate；thatwasitwasraininghard.6．ThereasonwhyIcamelatewasitwasraininghard.Ⅱ.单句语法填空1．Thereasonwhyshewasillwasshehadeatenbadmeat.2．Theresultismanyofthembecomefat.3．Whywedecidedtoputoffthematchistheweatherwastooterrible.4．soundedasifsomebodywasknockingat/onthedoor.5．HisfirstquestionwasHolmeshadarrivedyet.6．Theproblemiscananswerthequestion.7．Thetraditionalviewiswesleepbecauseourbrainis“programmed”tomakeusdoso.8．Falsefirealarmsareillegalandmayleadimprisonment.9．Hetriedtomakehiswork(recognize)inthemedicalcircles.Ⅲ.语法练习——完成句子1.Thetroublehisaddress.麻烦的是我把他的地址丢了。2．Thequestionishelpus.问题是他们是否能帮我们。3．hedidn'tunderstandme.那是因为他没有理解我。4．Thisis.这是我所感兴趣的。