《【课件】Unit+4Discover+Useful+Structures+课件人教版（2019）选择性必修第四册.pptx》由会员分享，可在线阅读，更多相关《【课件】Unit+4Discover+Useful+Structures+课件人教版（2019）选择性必修第四册.pptx（52页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、Learningaims:1.Learnaboutwhatsubjunctivemoodrefersto.2.MasterdifferentstructuresofthesubjunctivemoodinIf-clause.3.Figureoutthekeytestpoints(常考点常考点)intheCollegeEntranceExamination.SubjunctiveMood虚拟语气虚拟语气I学习目标学习目标(1)(1)Answerthefollowingquestions：1)Whatissubjunctivemoodinif-clause?2)Whencanweusesubjun
2、ctivemoodinif-clause?问题导学问题导学1(3)1(3)Compareandtellitisafactorawish.IfIhavetimetomorrow,Iwillgowithyou.IfIwereabird,Iwouldflyhightotouchthecloud.IfIwereGod,Iwouldmakealltheblindseethebeautifulworld.IfIgetmoreinformation,Iwilltellyouimmediately.a facta wisha facta wishSubjunctive moodisusedtotalkabou
3、tsituationsthatarenottrueornotlikelytobecometrue.点拨应用点拨应用1 1(10)(10)Subjunctivemood虚拟语气虚拟语气n1.虚拟语气用以表示虚拟语气用以表示假定，想象，愿望假定，想象，愿望等非等非事实的观念。事实的观念。n2.虚拟条件从句中的条件是假设的，因此主虚拟条件从句中的条件是假设的，因此主句的结论也只能是想象的，非事实的。句的结论也只能是想象的，非事实的。Answerthefollowingquestions：1)WhatarethedifferentstructuresofthesubjunctivemoodinIf-c
4、lause?问题导学问题导学2(5)2(5)Theticketissoexpensive!HowcouldIachievemyAmericandream?Nowhemaythink,“IfI.”Firstly点拨应用点拨应用2 2(15)(15)Discover1IfIwerearichman,Iwouldhavealotofmoneynow.IfIhadalotofmoney,Icouldbuyaticket.IfIboughtaticket,IwouldgoforAmerica.与现在事实相反的虚拟与现在事实相反的虚拟：would/could/should/might+dodid（be动词
5、用动词用were）现在If 从句的谓语形式主句的谓语形式Ifyou_(be)ateardropinmyeye,forfearoflosingyou,I_(notcry).Andifthegoldensun_(stop)toshineitslight,justonesmilefromyou_(make)mywholeworldbright.如果你是我眼里的一滴泪，为了不失去你，我将永不哭泣如果你是我眼里的一滴泪，为了不失去你，我将永不哭泣;如果金如果金色的阳光停止了它耀眼的光芒，你的一个微笑将照亮我的整个世色的阳光停止了它耀眼的光芒，你的一个微笑将照亮我的整个世界。界。练一练练一练werewou
6、ldnotcrystoppedwouldmakeOnTitanic,hemetabeautifulgirlcalledRose.LaterAtthemoment,hemaythink,“IfI”Discover21)IfIhadntwontheticketafewdaysago,Iwouldnthavebeenonboard.2)IfIhadntbeenonboard,Icouldnthavemetyou.3)IfIhadntmetyou,Iwouldnthaveknownthemeaningofmylife.与过去事实相反虚拟与过去事实相反虚拟：would/could/should/migh
7、t+havedone过去haddone主句的谓语形式If 从句的谓语形式Ifthefarmer_(notsee)thesnake,he_(notput)itinthearms.Ifhe_(notput)itinthearms,thesnake_(notbite)him.Ifthesnake_(notbite)him,he_(notdie).hadntseenwouldnthaveput如果农民没有看见蛇，如果农民没有看见蛇，他就不会把蛇放进怀里。他就不会把蛇放进怀里。如果农民没把它放进怀里，如果农民没把它放进怀里，蛇就不会咬它，如果蛇不蛇就不会咬它，如果蛇不咬农夫，农民就不会死。咬农夫，农民就
8、不会死。wouldnthavebittenhadntputhadntbittenwouldnthavedied练一练练一练Attheendofthisstory,JackdiedandRosewasalive.Beforehedied,hemaythink,“If”Discover3与将来事实相反虚拟：与将来事实相反虚拟：future would/could/should/might+do主句的谓语形式didweretoV原形原形should+V原形原形If 从句的谓语形式Ifweweretolive,Iwouldmarryyousomeday.Ifwemarried,wewouldlivea
9、happylifeinthefuture.Ifweshouldliveahappylife,itwouldbemydream.IftheGod_(give)meanotherchance,I_(tell)thegirlthreewords:Iloveyou!Ifyou_(set)atimelimitonourlove,Iwishit_(be)10,000years!gave/should/weretogivewouldtellshould/wereto/set如果上天将再给我一次重来的机会，我会对那个女孩说三个字：我爱你。如果要在这段感情前加个期限，我希望是一万年！wouldbe条件条件从句从
10、句 If 从句的谓语从句的谓语主句的谓语主句的谓语现在现在过去过去将来将来did(were)haddonewould/could/should/might+V(原原)would/could/should/might+have+done.1.did2.should+V.(原原)3.weretodowould/could/should/might+V.(原原)虚拟语气在虚拟语气在If 条件状语从句中的用法条件状语从句中的用法白日梦后悔药幻想症总结归纳总结归纳检测提高检测提高 语法填空语法填空Ifyou_(catch)somesheep,I_(hit)youwiththepanyesterday.I
11、fI_(eat)muttonnow,I_(be)sohappy.IfI_(be)you,I_(find)aperfectmethod.Ifyou_(notcatch)anysheeptomorrow,you_(notreturn)home.hadcaughtwouldnthavehitatewouldbewerewouldfindshouldnt/werentto/didntcatchwouldntreturnIfIwereyou,Iwoulddoitinanotherway.WereIyou,Iwoulddoitinanotherway.Ifitshouldraintomorrow,wewo
12、uldnotgoclimbing.Shoulditraintomorrow,wewouldnotgoclimbing.Ifithadnotbeenforyourhelp,Icouldnthavefinishedmyworkontime.Haditnotbeenforyourhelp,Iwouldnthavefinishedmyworkontime.1.if虚拟条件句的虚拟条件句的省略倒装省略倒装虚拟语气在虚拟语气在 在非真实条件从句中在非真实条件从句中条件从句中的谓语部分有条件从句中的谓语部分有were，should，had时，时，if可可省略，把这三个词提前，变为倒装句式省略，把这三个词提前
13、，变为倒装句式注意：注意：if 去掉是前提，从句主谓倒装，主句主谓语正常语序。去掉是前提，从句主谓倒装，主句主谓语正常语序。1.If I were a boy,I would be a better man.=WereIaboy,I would be a better man.3.If he hadnot gone to the party,he would not have arrived home late.=Hadhenotgoneto the party,he would not have arrived home late.2.If I should become the mange
14、r tomorrow,I would hire good cooks.=ShouldIbecomethe manager tomorrow,I would hire good cooks.if的省略倒装的省略倒装Practice如果没有你的帮助如果没有你的帮助,我是不可能按时完成工作的我是不可能按时完成工作的.Ifithadnotbeenforyourhelp,Icouldnthavefinishedmyworkontime.=Withoutyourhelp,Icouldnthavefinishedmyworkontime.=Butforyourhelp,Icouldnthavefinishe
15、dmyworkontime.虚拟语气在虚拟语气在 条件从句中条件从句中2.2.含蓄条件句含蓄条件句含蓄虚拟条件句含蓄虚拟条件句指的是假设的情况并不以条件从句表示达出来，指的是假设的情况并不以条件从句表示达出来，而是通过一些而是通过一些介词介词、上下文或其他方式、上下文或其他方式来表示。如：来表示。如：without，butfor(要不是要不是)，or,otherwise等。等。1)Thechange_(take)placewithouttheopen-doorpolicy.2)Iwassobusythen,otherwise,I_(tell)himtheanswer.含蓄虚拟条件句含蓄虚拟条件
16、句 couldnothavetakenwouldhavetoldPractice如果你当时听了我的话如果你当时听了我的话,你现在也不会有这样的麻烦了你现在也不会有这样的麻烦了.3.3.错综时间条件句错综时间条件句虚拟语气在虚拟语气在 条件从句中条件从句中与现在事实相反与现在事实相反与过去事实相反与过去事实相反错综时间条件句错综时间条件句指的是条件状语从句所表示的行为和主句表指的是条件状语从句所表示的行为和主句表示的行为所发生的示的行为所发生的时间不一致时间不一致，动词的形式动词的形式此时需根据它所此时需根据它所表示的时间表示的时间作出相应的调整作出相应的调整。Ifyouhadlistenedt
17、ome,youwouldntbeinsuchtroublenow.Practice错综时间虚拟条件句错综时间虚拟条件句 Ifyou_(study)hardbefore,you_(be)acollegestudentnow.hadstudiedwouldbeIfyou_(notwatch)TVyesterday,you_(notbe)sosleepynow.hadntwatchedwouldntbeIfyou_(hesitate)thismoment,you_(suffer)inthefuture.hesitatedwouldsufferPractice【课堂小结】【课堂小结】虚拟语气在虚拟语气
18、在ifif条件句中的运用条件句中的运用时间时间if条件从句条件从句主句主句对现在的对现在的虚拟虚拟对过去的对过去的虚拟虚拟对将来的对将来的虚拟虚拟did(were)would/should/could/might+dohaddonewould/should/could/might+havedonedid(were)weretodoshoulddowould/should/could/might+do课堂小结课堂小结(1)(1)1.（全国）（全国）IfDan_(be)present,hewouldhaveofferedanypossibleassistancetothepeoplethere.2
19、.（安徽）安徽）GracedoesntwanttomovetoNewYorkbecauseshethinksifshe_(live)there,shewouldntbeabletoseeherparentsveryoften.3.（江苏）江苏）Ifwe_(notmake)adequatepreparations,theconferencewouldnthavebeensosuccessful.4.（全国）全国）Sorry,Iamtoobusynow.IfI_(have)time,Iwouldcertainlygoforanoutingwithyou.5.（江西）江西）-DoyouthinkGe
20、orgehaspassedthedrivingtest?-No.Ifso,he_(drive)hiscartoourcollegeyesterday.6.（天津）天津）_(be)therenoInternet,wewouldwaitforweekstogetnewsfromaroundtheworld.hadbeenhadwouldhavedrivenlived直直 击击 高高 考考当堂检测当堂检测(10)(10)hadntmadeWereAletterofgratitude如果没有你的指导，我不可能取得这么大的进步。如果没有你的指导，我不可能取得这么大的进步。Withoutyourguida
21、nce,Icouldnthavemadesuchgreatprogress.(Butforyourguidance,.)Ifithadnotbeenforyourguidance,Icouldnthavemadesuchgreatprogress.Haditnotbeenforyourguidance,Icouldnthavemadesuchgreatprogress.如果没有你及时的鼓励和帮助，我不可能被重点大学录取。如果没有你及时的鼓励和帮助，我不可能被重点大学录取。Withoutyourtimelyencouragementandassistance,Icouldnthavebeenad
22、mittedtothekeyuniversity.读后续写“IfI_(notquarrel)withTomandgoneintotheforest,I_(notbe)trappedintheawfulplacenow!”_(Jane充满了悔恨充满了悔恨)andgradually_(眼里含眼里含着泪水睡着了着泪水睡着了).-2016.10浙江高考续写：夫妻吵架浙江高考续写：夫妻吵架 森林迷路森林迷路 Wehadnoideawherewewereanditwasgettingdark.Iwasalmostontheedgeofbreakingdown._(我忍不住哭了起来我忍不住哭了起来).IfI
23、_(notfollow)therabbitintotheforest,Iwouldntbelostintheforest.-2018.6浙江高考续写：骑马遇白兔浙江高考续写：骑马遇白兔hadntquarrelledwouldntbehadntfollowedJanewasfilledwithregretfellasleepwithtearsinhereyesIcouldnthelpcrying选做题选做题Learningaims:1.MasterdifferentstructuresofthesubjunctivemoodinNounClauses.2.Usesubjunctivemoodco
24、rrectlyindifferentsituations.3.Figureoutthekeytestpoints(常考点常考点)intheCollegeEntranceExamination.SubjunctiveMood虚拟语气虚拟语气II学习目标学习目标(1)(1)主备人：范慧慧主备人：范慧慧备课时间：第备课时间：第1616周周议课时间：第议课时间：第1717周周上课时间：第上课时间：第1717周周Answerthefollowingquestions：1)WhatissubjunctivemoodinNounClauses?3)Whatarethestructuresofsubjunct
25、ivemoodinNounClauses?问题导学问题导学1(3)1(3)1.虚拟语气在非真实条件句中虚拟语气在非真实条件句中 结构结构 倒装倒装 混合型混合型/错综时间条件句错综时间条件句 含蓄条件句含蓄条件句2.虚拟语气在其他从句中的用法虚拟语气在其他从句中的用法 用于用于宾语从句宾语从句中中 用于用于主语从句主语从句中中用于用于表语从句表语从句和和同位语从句同位语从句中中其他从句其他从句1.虚拟语气在名词性从句中的用法虚拟语气在名词性从句中的用法wishwish宾从宾从现在现在:过去时过去时(were)过去过去:过去完成时过去完成时(haddone)未来未来:would/could/mi
26、ght+V.(原原)IwishIwereacollegestudentnow.(现在现在)IwishIhadntmadesuchamistake.(过去过去)Wewishourparentswouldntpunishus.(将来将来)点拨应用点拨应用1 1(20)(20)我现在要是年轻十岁就好了。我现在要是年轻十岁就好了。IwishI_(be)tenyearsyoungernow.我昨天要是遇见他就好了。我昨天要是遇见他就好了。IwishI_(meet)himyesterday.我希望成为一名科学家。我希望成为一名科学家。IwishI_(be)ascientist.werehadmetwoul
27、dbePractice2.asif/though+从句；从句；Ifonly要是要是.就好了就好了 Shelovesthebabyasifitwereherownson.Irememberthewholethingasifithadhappenedyesterday.Itseemsasif/thoughthemeetingwouldneverend.IfonlyIwereaflyingbird!IfonlyIhadseenthefilm!IfonlyIcouldattendyourwedding!WhydoIhavetotakeanexamthen?1、如果从句表示与、如果从句表示与现在现在事实
28、相反，谓语动词用事实相反，谓语动词用“一般过去时一般过去时”。2、从句表示与、从句表示与过去过去事实相反，谓语动词用事实相反，谓语动词用“had过去分词过去分词”。3、从句表示与、从句表示与将来将来事实相反，谓语动词用事实相反，谓语动词用“wouldcouldmight动词动词原形原形”。wish;asif/though+从句；从句；Ifonly要是要是.就好了就好了现在现在:过去过去:未来未来:过去时过去时过去时过去时过去完成时过去完成时3.虚拟语气在名词性从句中的用法（虚拟语气在名词性从句中的用法（wouldrather）Iwouldratheryoupaidmenow.Iwouldrat
29、herIhadntcomeyesterday.Iwouldratheryoucametomorrow.wouldrather1.Heisnotapilot,buthewisheshe_(be).2.IfonlyI_(meet)himyesterday!3.Iwishit_(be)finetomorrow.4.Iwouldratheryou_(stay)athomealldaytoday.5.Idratheryou_(let)outthesecret.6.Heorderedthework_(do)atonce.werehadmetwouldbe(should)bedonestayedPracti
30、cehadntlet表示要求、命令、建议表示要求、命令、建议的虚拟语气。使用的虚拟语气。使用should+动词原形，动词原形，should可省略可省略。常见动词常见动词:一个坚持，两个命令，一个坚持，两个命令，三个建议，四个要求。三个建议，四个要求。即即:1)insist2)order,command3)advise,suggest,propose4)demand,require,request,ask4.虚拟语气在名词性从句中的用法虚拟语气在名词性从句中的用法suggest.判断句子正误判断句子正误nHissmilesuggestedthathewassatisfied.他的微笑表明他是满意
31、的。他的微笑表明他是满意的。nHerpalefacesuggestedthatshewasseriouslyill,andherparentssuggestedthatshe(should)gotoseethedoctor.她苍白的脸色她苍白的脸色显示显示她病得很厉害，因此她父母她病得很厉害，因此她父母建议建议她去看医生。她去看医生。nThethiefinsistedthathehadnotstolenanythingfromthesupermarket,butthemanagerinsistedthathe(should)besenttothepolicestation.小偷小偷坚持说坚持说
32、他没有从超市偷任何东西，但超市经理却他没有从超市偷任何东西，但超市经理却坚决要求把他坚决要求把他送到送到警察局。警察局。usuggest建建议suggest暗示、表明暗示、表明uinsist坚决要求某人做某事决要求某人做某事insist坚持持说虚拟虚拟例句：例句：主语从句：主语从句：Itissuggestedthattheplan_.宾语从句：宾语从句：Isuggestthatyou_efficiently.表语从句：表语从句：Mysuggestionisthatwe_morepeopletoattendthemeeting.同位语从句：同位语从句：Hedidntfollowmysuggest
33、ionthathe_hard.(should)study(should)get(should)workbecarriedout以上动词相应的名词构成的名词性从句包括主语从句、以上动词相应的名词构成的名词性从句包括主语从句、表语从句和同位语也要使用虚拟语气，从句中的动词形表语从句和同位语也要使用虚拟语气，从句中的动词形式为式为(should)+动词原形动词原形。1)Theguardatgateinsistedthateverybody_(obey)therules.2)Heinsistedthatshe_(be)seriouslyillandthat_(send)tohospitalatonce
34、.obeywasbesent3)Hesuggestedthatwe_(have)ameetingatonce.4)Hispalefacesuggestedthathe_(be)ill.havewasPractice我们该去睡觉了。我们该去睡觉了。你该走了你该走了Itshightimethatyouwent.Itshightimethatyoushouldgo.Its(about/high)time+that过去时过去时(were)should(不省不省)+V.Itstimethatwewenttobed.Itstimethatweshouldgotobed.5.虚拟语气在名词性从句中的用法虚拟
35、语气在名词性从句中的用法“是时候做某事是时候做某事”Itis(high)time+that.如何为文明校园做贡献？如何为文明校园做贡献？Inordertobuildacivilizedschool,itshightimethatwe_(cooperate)witheachotherandgoforwardtogether.shouldcooperate/cooperatedPracticeItsnecessary/strange/natural/important/impossible/apity/nowonder+that从句从句从句中的动词要用虚拟，即从句中的动词要用虚拟，即(should
36、)+动词原形动词原形Itisimportantthatwe(should)masteraforeignlanguage.Itisstrangethatsherefusetocometotheparty.Itsnecessarythatweshouldstudyhard.6.虚拟语气在名词性从句中的用法虚拟语气在名词性从句中的用法“itis+adj/n+that句型句型”Answerthefollowingquestions：1)什么是什么是“情态动词情态动词+havedone”的虚拟语气的虚拟语气”？问题导学问题导学2(2)2(2)情态动词情态动词+havedone表虚拟表虚拟should/o
37、ughtto/could/shouldnt/oughtnt/couldnt/neednt1.couldhavedone“过去本来能做某事而实际上没做过去本来能做某事而实际上没做”Tomcouldhavepassedtheexam,buthewastoocareless.汤姆本来能通过考试，但他太粗心了。汤姆本来能通过考试，但他太粗心了。2.couldnthavedone“过去不可能做过去不可能做”Ifithadntbeenforyourhelp,Icouldnthavesucceeded.要是没有你的帮助，我也不可能成功。要是没有你的帮助，我也不可能成功。3.should/oughttohav
38、edone“过去本应该做某事而实际上却过去本应该做某事而实际上却没没做做”Youaretoolazy.Youshould/oughttohavefinishedtheworkyesterday.你太懒了，你昨天本应该完成那项工作。你太懒了，你昨天本应该完成那项工作。4.shouldnt/oughtnthavedone“过去本不应该做某事而实际上却做了过去本不应该做某事而实际上却做了”Youshouldnt/oughtnthavetoldherthetruth.你本不该告诉她真相。你本不该告诉她真相。5.neednthavedone“过去本来不必做某事但却做了过去本来不必做某事但却做了”Youn
39、eednthavetakenataxihere。你本来不必打车来这里。你本来不必打车来这里。点拨应用点拨应用2 2(8)(8)1.IfIhadknownyouwerecoming,I_(meet)youattheairport.2.TomsuggestedthatAnn_(sell)thehouse.3._yourletter,Iwouldhavewrittenbacktwodaysago.A.IfIreceivedB.ShouldIreceiveC.HadIreceivedD.IfIcouldhavereceived4.HeistalkingsomuchaboutAmericaasifhe_
40、(be)there.5.Itshightimethatwe_(take)measurestoreducepollution.6.Ifhehadnotmademanymistakes,he_(pass)thetest.7.Someonerecommendedthatthehousingprogram_(carry)outsoonaftertheconference.8.Ifhe_(see)youyesterday,hewouldhavetoldyou.9.Hetreatedmeasthough_hisownson.A.IamB.IwouldbeC.IwasD.Iwerewouldhavemets
41、ellhadbeentookwouldhavepassedbecarriedhadseenPractice _ 与现在相反与现在相反过去过去 wish _ 与过去相反与过去相反 过去完成过去完成 _ 与将来相反与将来相反did had done would/could/might do _ 与现在相反与现在相反过去过去 If only _ 与过去相反与过去相反过去完成过去完成 as if/as though _ 将来相反将来相反 would rather _ 与现在相反与现在相反过去过去 _ 与将来相反与将来相反过去过去 _与过去相反与过去相反过去完成过去完成 It is(high/about
42、)time that sb _did sth.did had done did had done would/could/might do should do sth._did 课堂小结课堂小结(1)(1)翻译句子翻译句子1.If I had formed a good habit of reciting something then,(我就能够在英语学习方面取得更大的进步了)._IcouldhavemademoreprogressintheEnglishstudy.2.如果你能给我提供一些如何更好地理解它们的建议,我将非常感激。Iwouldappreciateitifyoucouldgive
43、mesomeadviceonhowtounderstandthembetter.当堂检测当堂检测(10)(10)(3)When it comes to improving Mandarin,my advice is that_(你应该每天听普通话)and practice speaking it whenever possible.(4)我建议你和一些中国学生交朋友,他们会帮助你学习普通话。youshouldlistentoMandarineverydayIsuggest/advisethatyoushouldmakefriendswithsomeChinesestudents,whocanh
44、elpyoulearnMandarin.DearTom,I mLiHua.Doyoustillrememberme?Istudiedinyourschoolforsixmonthsacoupleofyearsago.I mverygratefulforyourhelpduringmystudyintheUS.Withoutyourhelp,(1)_(我的英语不可能提高得那么快我的英语不可能提高得那么快)and(2)_(我也不可能那么享受我在那儿的生我也不可能那么享受我在那儿的生活活).DoyouknowhoweverythingisgoingwithMr.Smith?Ifailedtocont
45、acthimafterIleftAmerica.Idappreciateit(3)_(如果你能给我他的电邮地址或如果你能给我他的电邮地址或电话号码电话号码).IrememberthatyouareveryinterestedinChineseculture.Ifyouarefreeduringthiswinterholiday,Iwish(4)_(春节期间你能来中国体验中国文化春节期间你能来中国体验中国文化)Imsureitwillbeanunforgettabletrip.Iamlookingforwardtohearingfromyou.Writing：虚实结合委婉动人：虚实结合委婉动人myEnglishcouldn thavebeenimprovedsoquicklyIcouldn thaveenjoyedmylifetheresomuch,eitherifyoucouldoffermehise-mailaddressortelephonenumberyouwouldcometoChinaduringtheSpringFestivaltoexperienceChineseculture.选做题选做题