【课件】Unit+5+Discovering+useful+structures+主语从句课件高二英语人教版（2019）选择性必修第一册.pptx

Discovering useful structuresU N I T 5UNIT 5UNIT 5UNIT 5UNIT 5WORKING THE LANDWORKING THE LANDWORKING THE LANDWORKING THE LANDLearningaboutlanguageDiscoveringusefulstructures1.recognizeandsummarizethefunctionandtherulesofthesubject-clause.2.summarizethesyntacticfunctionofthesubjectclauseconnectiveandtheusageofitastheformalsubject.3.beabletousethesubjectclausecorrectlyinwrittenandoralexpression.Learning objectivesBytheendofthisclass,youwillbeableto:单句语法填空(1)(教材教材P50)However,concernedhimmostwasfarm-ersoftenhadpoorharvestsandsometimesevenhadaseriousshortageoffoodtoeat.(2)(教材教材P50)thiscouldbedonewasachallengingquestionatthetime.whatthatHow(3)(教材P50)However,itwaspossibletodevelopahybridofself-pollinatingplantssuchasricewasamatterofgreatdebate.(4)(教材P50)Today,isestimatedabout60percentofdomesticriceconsumptioninChinaiscomprisedofcropsgeneratedfromYuanshybridstrains,andhisstrainshaveallowedChinasfarmerstoproducearound200milliontonsofriceperyear.(5)(教材P51)impressespeoplemostaboutYuanLongpingishison-goingabilitytofulfilhisdreams.whetheritthatWhatWhatdoesntkillyou makes you stronger!Whatdoesntkillyoumakes you a fighter!Could you find out the Subject Clauses?在复合句中充当主语作 用位 置谓 语 或 系动 词 之 前What YuanLongpingreallycaredaboutwasnotmoneyorcelebrity.Translate the sentence.袁隆平真正关心的不是金钱或名人。That YuanLongpinghadrealizedhisdreamofseawaterricesurprisedthewholeworld.Translate the sentence.袁隆平实现了他“海水大米”的梦想震惊了全世界。What concerned him most wasthatfamersoftenhadpoorharvestsandsometimesevenhadaseriousshortageoffoodtoeat.Translate the sentence.最让他担心的是农民们常常收成不好，有时甚至严重缺乏食物。Whether itwaspossibletodevelopahybridofself-pollinatingplantssuchasricewasmatterofgreatdebate.Translate the sentence.是否有可能培育出一种像水稻这样的自花授粉植物的杂交种是一个非常有争议的问题。How thiscouldbedonewaschallengingquestionatthetime.Translate the sentence.如何做到这一点在当时是一个具有挑战性的问题。Itisestimated that about60percentofdomesticriceconsumptioninChinaiscomprisedofcropsgeneratedfromYuanshybridstrains.Translate the sentence.据估计，中国国内约60%的大米消费是由袁的杂交品种生产的。Summary主语从句连接词从属连词：不作成分连接副词：作状语It作形式主语含义在句子中充当主语的句子就是主语从句连接代词：作主，宾，表，定语从属连词从属连词(不作成分）不作成分）连接代词连接代词（作主（作主,宾宾,表表,定语）定语）连接副词连接副词（作状语）（作状语）what,who,whom,which,whose,wh+everhow,when,where,whythat(无意义无意义),whether/if主语从句的连接词分类展评引导主语从句的关联词引导主语从句的关联词依据“缺什么补什么”原则确定正确的连词。所谓“缺什么补什么”是指从句与连词之间的关系。如果句子中缺主语，指人用who，指物用what。如缺宾语，指人用whom，指物用what。如缺时间状语用when；地点状语用where。原因状语用why；方式状语用how。如缺定语用what或which或whose。如什么都不缺用that，Whether表“是否”。devote.to.movepeopletotearsYuandevotedallhislifetodevelopinghybridricemovedallpeoplearoundtheworldtotears.That 从属 连词That不做成分，没有意义，不能省略。theboydidntknowtheanswermadetheteacherangrymaketheteacherangrydidntknowtheanswer 从属 连词ThattacklethesituationdependonhisabilityHecantacklethesituationdependsonhisability.ThatWhether 从属 连词whether不做成分,但有意义，表“是否”retiretoalifeofleisureremaintobeseenHecanretiretoalifeofleisureremainstobeseen.Whether 从属 连词whether不做成分,但有意义，表“是否”boostyielduncleartheywillboostyieldisunclear.Whether从属连词whether不做成分,但有意义，表“是否”【练一练】1._she left him made him heart-broken.2._ he is still alive is a piece of good news to us.3._ he will come or not is not known yet.4._his family would support him made him worried.5.It doesnt matter _ your home is in a noisy downtown or in the remote countryside.6.Its uncertain _ the experiment is worth doing.7._ seat belts save lives has been proven once and again.ThatThatwhetherwhether从属连词（不做成分）that,whetherWhetherWhetherThatattainsuccessunknownHeattainedsuccessisunknown.How连接副词做成分（状语），有意义，不能省略。bombwillexplodeworrythemanthebombwillexplodeworriestheman.When连接副词做成分（状语），有意义，不能省略。【练一练】1.Exactly _ the potato was introduced into Europe is uncertain,but it was probably around 1565.2._ the delayed flight will take off depends much on the weather.3.It remains a puzzle _ dinosaurs died out suddenly long time ago._ we will go tomorrow hasnt been decided yet.5._ the earth is becoming warm is a good topic for research.whenWhenwhyWhy连接副词（作状语）when,where,how,whythecatdomadeWhatthecatdidmadethebabycry.cry连接代词做成分（主语、宾语、表语），有意义，不能省略。convincehimtochangehismindarousemycuriositywouldconvincehimtochangehismindarousedmycuriostity.Who连接代词做成分（主语、宾语、表语），有意义，不能省略。digestwhattheteachersteachgethigherscorescandigestwhattheteachersteachislikelytogethigherscores.Whoever连接代词做成分（主语、宾语、表语），有意义，不能省略。做成分（主语、宾语、表语），有意义，不能省略。【练一练】1.More than 100 students have entered for the competition,and_ gains the most points will be the winner.2._ bothers me is that I cant keep my mind on the task,but on personal gains or losses.3.Some people believe _ has happened before or is happening now will repeat itself in the future.4._ seems easy to some people seems difficult to others.whoeverWhatwhatever连接代词（作主语，宾语，表语）Whatwhat,who,whom,whose,which,wh+ever探寻规律探寻规律1 1：主语从句主语从句 主谓一致主谓一致 问题问题1.Whetherthepatientwillbetaken_unknown.2.Whenandwherethepatientwillbetaken_unknown.3.Whenthetaskcanbefinishedandwhetherhecanhavearest_unknown.4.Whathewantsmost_stayingwithhisfamily.Whattheyneed_masks(口罩口罩).主句的谓语动词，大多数使用主句的谓语动词，大多数使用_(单数？复数？单数？复数？)由两个连接词引导同一个主从，谓动使用由两个连接词引导同一个主从，谓动使用_(单数？复数？单数？复数？)主语为主语为and连接的两个主从时，谓动使用连接的两个主从时，谓动使用_(单数？复数？单数？复数？)what在主从中做宾语时，谓动由在主从中做宾语时，谓动由_决定单复数决定单复数(主语？表语？主语？表语？)单数单数复数表语isisareisareCompletethesentencesusingwhat,whether,where,when,who,why,how or that.1.(_isneededforsuccess)isyourhardwork.3.(_wewillgotomorrow)hasntbeendecidedyet.2.(_theywillarrive)hasbeentoldtotheteacher.4.(_canjoininthesportmeet)isdecidedbytheteacher.5.(_itwillrainornot)isnotclear.7.(_theearthisasolidball)isknowntousall.WhatWhere/WhetherWhoWhetherThat6.(_theearthisbecomingwarm)isagoodtopicforresearch.WhyWhen/How主语从句应使用_语序。1.Where we will have a picnic should be discussed.Where will we have a picnic should be discussed.2.How we go for a picnic should be discussed.How do we go for a picnic should be discussed.Rule 3陈述句探寻规律探寻规律2 2：主语从句的语序主语从句的语序主语从句中it作形式主语的结构为了避免主语冗长，句子头重脚轻。经常用it作形式主语。例：Thattheearthisroundisknowntoall.=Itisknowntoallthattheearthisround.it it it it作形式主语作形式主语作形式主语作形式主语clear,obvious,likely,probable,true句型一形容词1.It+be+形容词+主语从句做.是.的1.Itwassurprisingthatshepassedthedifficultexam.2.Itisnotclearwhetherhetoldalie.Attention：此句型中的形容词是important,necessary等时，从句应该使用虚拟语气。例：Itisimportantthatwe(should)learnEnglishwell.said,reported,believed,thought,announced句型二过去分词2.It+be+过去分词+主语从句据.1.Itissaidthattheyareidenticaltwins.2.Itisreportedthatabigearthquakehitthearea.Attention：如果过去分词是suggested,ordered,required,advised,requested等表示建议、要求、命令等词时，从句应该使用虚拟语气。例：Itissuggestedthatstudents(should)maketheirbedbythemselves.apity，anhonor，agoodidea，afact,a/nosurprise，nowonder.句型三名词3.It+be+名词+主语从句做.是.的1.Itisapitythathemissedsuchaninterestingfilm,2.Itisgoodnewsthathehasrecovered.seem,happen,appear,look,occur,turnout句型四不及物动词4.It+不及物动词+主语从句1.Ithappenedthattheywereoutthatday.碰巧那天他们不在家。2.Itseemsthatitisgoingtorain.看起来要下雨了。worry,shock句型五及物动词5.It+及物动词+宾语+主语从句Itshocksmethathefailedinthisexam.他没通过考试，震惊到我了。【即时演练】1._isafactthatEnglishisbeingacceptedasaninternationallanguage.2.Itisuncertain_hecancometoJennysbirthdaypartyornot.3._hemadeanimportantspeechatthemeetingwastrue.4._isknowntousallthatAmericaisadevelopedcountry.5.Everyyear,_makesthemostbeautifulkitewillwinaprizeintheKiteFestival.ItwhetherThatItwhoever1._(可能)shewillcomebacktomorrow.2._(很明显)thismeasureiseffective.3._(很遗憾)welostthematch.4._(这是事实)hecheatedintheexam.5._(据报道)20peoplewerekilledintheaccident.6._(建议)weshouldeatmorevegetableanddomoreexercise.7._(碰巧)Icameintotheofficeatthattime.8._(我突然想起)Iforgettosendtheletter.It is possible thatIt is obvious thatIt is a pity thatIt is a fact thatIt is reported thatIt is suggested thatIt happened thatIt occurred to me that【即时演练】主语从句中其他注意问题主语从句 主谓一致 问题1.Whether the patient will be taken _ unknown.2.When and where the patient will be taken _ unknown.3.When the task can be finished and whether he can have a rest _ unknown.4.What he wants most _ staying with his family.What they need _ masks(口罩).单个从句做主语，大多数使用_ (单数？复数？)由两个连接词引导同一个主从，谓动使用_(单数？复数？)主语为and连接的两个主从时，谓动使用_(单数？复数？)what在主从中做宾语时，谓语的单复数取决它后面的_。单数单数复数isisareis are表语Summary主语从句that表是否：whether从句不完整从句完整默默守候的连词默默守候的连接副词表时间：when表地点：where表原因：why表方式：how乐于参与的连接代词需要补充成分人：who,whom,whose事物：what哪一个：which需要补充成分+表无论时whateverwhoeverwhicheverPractice.Translate the sentences.1.我没想到的是，现在养老院是一床难求。(that)2.事实证明，保持快乐的心态会降低得心脏病的风险。（It）3.听书是否会打消孩子自己去读这本书的积极性还没有定论。(discourage)WhatIdidntexpectisthatitisveryhardtofindabedinthenursinghousefortheaged.Itisprovedthatkeepingahappymindreducestheriskofheartdiseases.Whetherlisteningtoabookwilldiscouragechildrenfromreadingitontheirownremainsaquestion.高考链接1.(2022高二下和平期末)Itstrue_innerbeautyisveryimportant,butexternalbeautyshouldntbecompletelyoverlooked.AhowBwhyCthatDwhat2.(2022高一下静安期中)_morecountriescanusenaturalenergyinthefutureremainstobeseen.AWhetherBThisCWhoDIf3.(2022高一下静安期中)Oneofthemengavehisopinion_thebooksaidwasright.AthatBwhatCwhichDwhether高考链接4.(2022高一下西安期中)Itisnotaproblem_wecanwinthebattle;itsjustamatteroftime.Awhere Bwhy CwhenDwhether5.(2020和平模拟)_footballissuchasimplegametoplayisperhapsthebasisofitspopularity.AWhatBWhetherCThatDWhich6.(2019高三上天津月考)_isobviouslyrightistogiveallchildrenequalopportunitiestodeveloptheirspecialgift.AWhich BAs CThatDWhat高考链接7.Webelieve_youhavebeendevotedto_naturallyofgreatnecessity.Athat;beingBallthat;beCthatall;areDwhat;is8.(2019南开模拟)Itwasneverclear_themanhadntreportedtheaccidentsooner.AthatBhowCwhenDwhy高考链接9.(2020天津河西模拟)_wasmostimportanttoher,shetoldme,wastokeephealthy.AIt BThisCWhatDAs10.(2019高一上汕头期中)_makesmefeelworriedis_singingstarsarecenteredonbymassesofteenagerstoday.AWhat;whatBThat;thatCWhat;thatDThat;whatTHANKSTHANKSTHANKSTHANKS