【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

Discoveringusefulstructuresunit5UNIT5WORKINGTHELANDLearningaboutlanguage—Discoveringusefulstructuresrecognizeandsummarizethefunctionandtherulesofthesubject-clause.summarizethesyntacticfunctionofthesubjectclauseconnectiveandtheusageofitastheformalsubject.beabletousethesubjectclausecorrectlyinwrittenandoralexpression.Learning

objectivesBytheendofthisclass,youwillbeableto:Grammar4.Tofindyourwaycanbeaproblem.

3.Smokingisbadforyou.1.Janeworkshard.5.Beingelectedasmonitorisanhonor.6.Whatshesaidisnotyetknown.7.Thatweshallbelateiscertain.8.Itiscertainthatweshallbelate.Subject（主语）AsentenceservedassubjectiscalledSubjectClause.2.Youareastudent.

主语：句子说明的人或事物,一般位于_____。句首3.Theoldshouldberespected.（名词）（代词）(名词化的形容词)（不定式）（动名词）（句子）（动名词）单句语法填空(1)(教材P50)However,

concernedhimmostwas

farm-

ersoftenhadpoorharvestsandsometimesevenhadaseriousshortageoffoodto

eat.(2)(教材P50)

thiscouldbedonewasachallengingquestionatthetime.

whatthatHow(3)(教材P50)However,

itwaspossibletodevelopahybridofself-

pollinatingplantssuchasricewasamatterofgreatdebate.(4)(教材P50)Today,

isestimated

about60percentof

domesticriceconsumptioninChinaiscomprisedofcropsgeneratedfromYuan's

hybridstrains,andhisstrainshaveallowedChina'sfarmerstoproducearound200

milliontonsofriceperyear.(5)(教材P51)

impressespeoplemostaboutYuanLongpingishison-goingabilitytofulfilhisdreams.whetheritthatWhatWhatdoesn’tkillyou

makesyoustronger!Whatdoesn’tkillyoumakesyouafighter!CouldyoufindouttheSubjectClauses?在复合句中充当主语作用位置谓语或系动词之前WhatYuanLongpingreallycaredabout

wasnotmoneyorcelebrity.Translatethesentence.袁隆平真正关心的不是金钱或名人。ThatYuanLongpinghadrealizedhisdreamofseawaterricesurprisedthewholeworld.Translatethesentence.袁隆平实现了他“海水大米”的梦想震惊了全世界。Whatconcernedhimmostwasthatfamersoftenhadpoorharvestsandsometimesevenhadaseriousshortageoffoodtoeat.Translatethesentence.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。Whetheritwaspossibletodevelopahybridofself-pollinatingplantssuchasricewasmatterofgreatdebate.Translatethesentence.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。Howthiscouldbedonewaschallengingquestionatthetime.Translatethesentence.如何做到这一点在当时是一个具有挑战性的问题。Itisestimatedthatabout60percentofdomesticriceconsumptioninChinaiscomprisedofcropsgeneratedfromYuan’shybridstrains.Translatethesentence.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(不作成分）连接代词（作主,宾,表,定语）连接副词（作状语）what,who,whom,which,

whose,wh+everhow,when,where,whythat(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...movepeopletotearsYuandevotedallhislifetodevelopinghybridrice

movedallpeoplearoundtheworldtotears.That

从属连词That不做成分，没有意义，不能省略。theboydidn’tknowtheanswermadetheteacherangry

maketheteacherangrydidn’tknowtheanswer

从属连词ThattacklethesituationdependonhisabilityHecantacklethesituation

dependsonhisability.ThatWhether

从属连词whether不做成分,但有意义，表“是否”retiretoalifeofleisureremaintobeseenHecanretiretoalifeofleisure

remainstobeseen.Whether

从属连词whether不做成分,但有意义，表“是否”boostyielduncleartheywillboostyield

isunclear.Whether从属连词whether不做成分,但有意义，表“是否”【练一练】1._________shelefthimmadehimheart-broken.2._________heisstillaliveisapieceofgoodnewstous.3._________hewillcomeornotisnotknownyet.4.___________hisfamilywouldsupporthimmadehimworried.5.Itdoesn’tmatter________yourhomeisinanoisydowntownorintheremotecountryside.6.It’suncertain__________theexperimentisworthdoing.7.________seatbeltssaveliveshasbeenprovenonceandagain.ThatThatwhetherwhether从属连词（不做成分）that,whetherWhetherWhetherThatattainsuccessunknownHeattainedsuccess

isunknown.How连接副词做成分（状语），有意义，不能省略。bombwillexplodeworrythemanthebombwillexplode

worriestheman.When连接副词做成分（状语），有意义，不能省略。【练一练】1.Exactly_________thepotatowasintroducedintoEuropeisuncertain,butitwasprobablyaround1565.2._______thedelayedflightwilltakeoffdependsmuchontheweather.3.Itremainsapuzzle_____dinosaursdiedoutsuddenlylongtimeago..______________wewillgotomorrowhasn’tbeendecidedyet.5.______theearthisbecomingwarmisagoodtopicforresearch.whenWhenwhyWhy连接副词（作状语）when,where,how,why……thecatdomade

Whatthecatdid

madethebabycry.cry连接代词做成分（主语、宾语、表语），有意义，不能省略。convincehimtochangehismindarousemycuriositywouldconvincehimtochangehismind

arousedmycuriostity.Who连接代词做成分（主语、宾语、表语），有意义，不能省略。digestwhattheteachersteachgethigherscorescandigestwhattheteachersteach

islikelytogethigherscores.Whoever连接代词做成分（主语、宾语、表语），有意义，不能省略。【练一练】1.Morethan100studentshaveenteredforthecompetition,and____________gainsthemostpointswillbethewinner.2._______bothersmeisthatIcan’tkeepmymindonthetask,butonpersonalgainsorlosses.3.Somepeoplebelieve___________hashappenedbeforeorishappeningnowwillrepeatitselfinthefuture.4._______seemseasytosomepeopleseemsdifficulttoothers.whoeverWhatwhatever连接代词（作主语，宾语，表语）Whatwhat,who,whom,whose,which,wh+ever探寻规律1：

主语从句

主谓一致

问题1.Whetherthepatientwillbetaken

______unknown.2.Whenandwherethepatientwillbetaken_____unknown.3.Whenthetaskcanbefinishedandwhetherhecanhavearest________unknown.4.Whathewantsmost_________stayingwithhisfamily.

Whattheyneed_______masks(口罩).主句的谓语动词，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，谓动由______决定单复数(主语？表语？)单数单数复数表语isisareis

areCompletethesentencesusingwhat,whether,where,

when,

who,why,how

or

that.1.(_____isneededforsuccess)isyourhardwork.3.(_______________wewillgotomorrow)hasn’t

beendecidedyet.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.Wherewewillhaveapicnicshouldbediscussed.

Wherewillwehaveapicnicshouldbediscussed.2.Howwegoforapicnicshouldbediscussed.

Howdowegoforapicnicshouldbediscussed.Rule3陈述句√√××探寻规律2：

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作形式主语clear,obvious,likely,probable,true…句型一形容词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.It

isapitythathemissedsuchaninterestingfilm,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.It

happenedthattheywereoutthatday.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.____isafactthatEnglish

isbeingacceptedasaninternationallanguage.2.Itisuncertain_______hecancometoJenny’sbirthdaypartyornot.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)

Iforgetto

sendtheletter.ItispossiblethatItisobviousthatItisapitythatItisafactthatItisreportedthatItissuggestedthatIthappenedthatItoccurredtomethat【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.Whetherthepatientwillbetaken______unknown.2.Whenandwherethepatientwillbetaken_____unknown.3.Whenthetaskcanbefinishedandwhetherhecanhavearest_____unknown.4.Whathewantsmost____stayingwithhisfamily.

Whattheyneed_______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.Translatethesentences.我没想到的是，现在养老院是一床难求。(that)事实证明，保持快乐的心态会降低得心脏病的风险。（It）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)

WhatIdidn’t

expect

is

that

it

is

very

hard

to

find

a

bed

in

the

nursing

house

fortheaged.Itisprovedthatkeepingahappymindreducestheriskofheartdiseases.Whetherlisteningtoabookwilldiscouragechildrenfromreadingitontheirownremainsaquestion.高考链接(2022高二下·和平期末)It'strue______innerbeautyisveryimportant,butexternalbeautyshouldn'tbecompletelyoverlooked.A．how B．why C．that D．what2.(2022高一下·静安期中)__________morecountriescanusenaturalenergyinthefutureremainstobeseen.A．Whether B．This C．Who D．I