【课件】Unit+5Discover+useful+structures+课件人教版（2019）选择性必修第一册

subjectclausesUnit5WorkingthelandDiscoverUsefulStructures目录CONTENTS01Lead-in02ObserveandAnalyse03Summary04PracticeLead-inPARTONEFillthelyrics(歌词)afterlisteningtothesongAlthoughlonelinesshasalwaysbeenafriendofmineI’mleavingmylifeinyourhandsPeoplesayI’mcrazyand

I’mblindRiskingitallinaglanceAnd

isstillamysteryIcan’tgetyououtofmyheadDon’tcare

iswritteninyourhistoryAslongasyouareherewithmeIdon’tcare

youare

youarefrom

youdidAslongasyoulovemethathowyougotmeblindwhatwhowherewhatObserving

PeoplesayI’mcrazyand

that

I’mblindAnd

howyougotmeblind

isstillamysteryDon’tcarewhatiswritteninyourhistoryIdon’tcarewhoyouarewhereyouarefrom

whatyoudid宾语从句主语从句宾语从句宾语从句

句子类型简单句并列句复合句主句形容词性从句(定语从句)名词性从句副词性从句(状语从句)主语从句宾语从句表语从句同位语从句从句RreviewObserveandAnalysePARTTWOWhatYuanLongpingreallycaredaboutwasnotmoneyorcelebrity.ThatYuanLongpinghadrealisedhisdreamofseawaterricesurprisedthewholeworld.ItsurprisedthewholeworldthatYuanLongpinghadrealisedhisdreamofdevelopingseawaterrice.Lookatthesentencesbelowandstatethefunctionsofthenounclausesitalicised.主语主语主语主语从句的定义如果一个从句在句子中担当主语，那么这个从句就是主语从句。主语从句通常放在主句的谓语动词之前，有时也由形式主语it代替，而本身放在句子末尾。Thenfindsimilarcomplexsentencesfromthetext.1.However,whatconcernedhimmostwasthatfarmersoftenhadpoorharvestsandsometimesevenhadaseriousshortageoffoodtoeat.2.Howthiscouldbedonewasachallengingquestionatthetime.3.However,whetheritwaspossibletodevelopahybridofself-pollinatingplantssuchasricewasamatterofgreatdebate.4.WhatimpressespeoplemostaboutYuanLongpingishisongoingabilitytofulfilhisdreams.Feelthesentencesinred.However，whatconcernedhimmostwasthatfarmersoftenhadpoorharvestsandsometimesevenhadaseriousshortageoffoodtoeat.However，whetheritwaspossibletodevelopahybridofself-bollinatingplantssuchasricewasamatterofgreatdebate.Today，it

isestimatedthatabout60percentofdomesticriceconsumptioninChinaiscomprisedofcropsgeneratedfromYuan’shybridstrains，...WhatimpressespeoplemostaboutYuanLongpingishisongoingabilitytofulfillhisdreams.以上加颜色部分在句中作

。1句和4句中的what在从句中作

。2句中的whether意为“

”。3句中的it是

，真正的主语是后面的

。主语主语是否形式主语that引导的从句Conjunctions主语从句的引导词Thattheearthmovesaroundthesun

iswellknown.Whetherhewillcomeornotisnotknownyet.Whowillbesenttherehasnotbeendecided.Whatyouneedismorepractice.Whichoneisthebestisnotclear.Whentheywillcomehasn'tbeenmadepublic.Wherehehasgoneisaquestion.Whythereisgravityishardtounderstand.HowhecanearnalivinginBritain

remainsabigproblem.Conjunctions主语从句的引导词1.Thathewillpasstheexamiscertain.2.Whetherhewillpasstheexamisuncertain.that_______成分，____意义，______省略。whether_____成分，____意义，译为_____。不做是否无不能不做有CompareandDiscover1Conjunctions主语从句的引导词1.Who

willtakepartinthemeetinghasnotbeendecided.2.Whatshesaidistrue.3.WhichbookIshallchoosehasn’tbeendecided.who在主语从句中充当______,译为______。what在主语从句中充当______,译为______。which在主语从句中充当______,译为______。主语谁宾语东西定语哪一CompareandDiscover2Conjunctions主语从句的引导词1.Whoeverleavestheroomlastoughttoturnoffthelights.2.Whateverhedidwasright.3.Whicheverofyoucomesin

willreceiveaprize.CompareandDiscover4whoever在主语从句中充当______,译为

______。whatever在主语从句中充当______,译为

______。whichever在主语从句中充当______,译为

______。主语无论谁宾语无论什么主语无论哪个Conjunctions主语从句的引导词1.Whentheywillstartisnotknownyet.2.Wheresheisfromisunknown.3.Whyhewaslateisnotimportantnow.4.How

hebecameagreatscientistisknowntousall.when在主语从句中充当_______,译为______。where在主语从句中充当_______,译为______。why在主语从句中充当_______,译为_______。how在主语从句中充当_______,译为_______。状语何时状语何地状语为什么状语怎样CompareandDiscover3类别例词说明从属连词that，whether（是否）两者在从句中均不作成分，只起连接作用连接代词who(谁)，what(什么)，which(哪一)，whoever(无论谁)，whichever(无论哪个),whatever(无论什么)等在从句中作主语、宾语、表语、定语等成分。连接副词when，where，how，why等在从句中作时间、地点、方式、原因状语等成分。Summary主语从句的引导词此为正常的身材比例为了使句子保持平衡，常用____做形式主语，主语从句放到______，尤其是连词that引导的主语从常用于如下各种句式中。it后面Thatastormiscomingisreported.主语—————————————————————————————头长脚短Itisreported

thatastormiscoming.头短脚长主语从句太长怎么办？Itbecertainthat…肯定…Itbepossible/likelythat...很可能……Itbeobvious/clearthat…很明显…Itbetruethat…的确…Itbenecessary\important\natural\...that…It

be+adj

+that从句主要句型+(should)+do…it作形式主语，that引导主语从句

It

begood

news

that...

(……真是太好了)

It

beno

wonder

that...

(难怪……

)

It

bea

apity/shame

that...

(遗憾的是……；)

It

beafact

that...

(事实上……)Itbe+名词+that从句主要句型it作形式主语，that引导主语从句

Itbereported

that...（据报道……）

Itbebelieved

that...（人们相信……）

It

begenerally

thought

that…（人们普遍认为……）

It

has

been

found

that...（现已发现……）

It

should

be

noted

that…（应当注意……）

It

must

be

pointed

out

that…（必须指出……）It

be+过去分词+that从句主要句型it作形式主语，that引导主语从句Ithappenedthat...碰巧……

Itoccurredtomethat…我突然想起…Itappears/seemsthat…似乎，好像…Itturnedoutthat…原来…

Itdependsonthat… 取决于…It

+不及物动词

+that从句主要句型it作形式主语，that引导主语从句Itisveryimportantthatastudent(should)learnEnglishwell.学生学好英语很重要。Itissuggestedthatthemeeting(should)beputoff.有人建议会议延期召开。Itdependsontheweatherwhethertheyaregoingshoppingtoday.他们今天是否去购物还得看天气情况。Forexample，itcanbeprovedthatChinahasmorepeoplethananyothercountryintheworld.举例来说，中国人口比世界上其他任何国家的人口都多，这是可以得到证实的。Itisnowonderthatyourstudentshavemadesuchgreatprogress.难怪你的学生们进步这么大。Whetherthepatientwillbetaken

______unknown.Whenandwherethepatientwillbetaken_____unknown.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，谓语动词用______(单数？复数？)单数单数isis探寻规律1：主语从句主谓一致问题3.Whenthetaskcanbefinishedandwhetherhecanhavearest________unknown.4.Whathewantsmost_________stayingwithhisfamily.

Whattheyneed_______masks(口罩).主语为and连接的两个主从时，谓语动词用______(单数？复数？)what在主从中做宾语时，主句谓语的数由主句______决定单复数

(主语？表语？)复数表语areis

are探寻规律1：主语从句主谓一致问题whether引导的主语从句，如果用了形式主语it，引导词whether可以换成if。如果whether从句在句首或后面有ornot时，不能用if替换。Whethergenetically-modifiedfooddoesusharmremainstobeseen.＝Itremainstobeseenwhether/ifgenetically-modifiedfooddoesusharm.探寻规律2：whether和if区别主语从句应使用_________语序。1.Wherewewillhaveapicnicshouldbediscussed.

Wherewillwehaveapicnicshouldbediscussed.2.Howwegoforapicnicshouldbediscussed.

Howdowegoforapicnicshouldbediscussed.Rule3陈述句√√××

即主语在前，谓语在后。探寻规律3：主语从句的语序(P90Ex3)Circleandcorrectthemistakeineachsentence.WhathaveIforgottenisthatIhaveatesttoday.Wholeftmetheseflowersarenotcleartome.Thisisobviousthatstudentsshouldpreparewellfortheirfuture.Who’sticketthisishasnotbeenconfirmed.Whenthetestwillbegivenhavenotbeendecided.IhaveisIt4.WhosehasSummaryPARTTHREE主语从句学法指导依据“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whose或which。如什么都不缺用that，whether表“是否”。Summary1.[2020·全国Ⅱ卷]It’sbeenreported

76％employeesinsomewesterncountriesareusingemojis（表情符号）atwork.2.[2020·江苏卷]Itisnotaproblem

wecanwinthebattle;it’sjustamatteroftime.3.[2019·全国Ⅰ卷]

youneedisagreatteacherwholetsyoumakemistakes.4.[2019·全国Ⅰ卷]Thedeadlinesand

youneedtoapplydependontheproblem.5.[2013·北京卷]

makesthebooksoextraordinaryisthecreativeimaginationofthewriter.thatwhetherWhatwhatWhat6.[2015·江苏卷]

LiBai,agreatChinesepoet,wasbornisknowntothepublic,butsomewon’tacceptit.7.[2015·北京卷]

weunderstandthingshasalottodowithwhatwefeel.8.[2016·江苏卷]Itisoftenthecase

anythingispossibleforthosewhohangontohope.9.[2016·北京卷]Yoursupportisimportanttoourwork.

youcandohelps.10.[2017·北京卷]Everyyear,

makesthemostbeautifulkitewillwinaprizeintheKiteFestival.WhereHowthatWhateverwhoeveris之前的内容是主语从句，从句中缺少状语，根据逻辑关系，此处应该是出生的地方，句意为：中国伟大诗人李白出生的地点是大众都知道的，但是一些人却不能接受这一点．PracticePARTFOUR(P53Ex2)Matchthesentenceparts,andthentranslatethecompletedsentencesintoChinese.n.小麦n.化学制品(P53Ex2)Matchthesentenceparts,andthentranslatethecompletedsentencesintoChinese.D;Whenthesewheatfarmerswilljointhispilotexperimentremainsanunansweredquestion.这些小麦农户什么时候会加入预实验仍然不得而知。C;Howwecanfindasuitablesolutiontoproducesufficientfoodwhilekeepingtheenvironmentsafeisanimportanttopicforustoresearch.如何能够找到一个合适的解决办法，在保证环境安全的同时，生产足够的粮食，是一个需要我们研究的重要课题。

(P53Ex2)Matchthesentenceparts,andthentranslatethecompletedsentencesintoChinese.A;Whatworriesmanypeopleisthatthesechemicalsmayevencausecancer.令很多人所担心的是，这些化学制品甚至可能导致癌症。

E;Itamazedallofusthatthesevegetablescanevenbeplantedwithoutanysoilthroughthisnewtechnology.令我们所有人惊讶的是，通过这种新技术，可以无土栽培这些蔬菜。

(P53Ex2)Matchthesentenceparts,andthentranslatethecompletedsentencesintoChinese.B;Thatthelifestyleisslowerandhealthier

isthereasonwhysomepeopleprefertoliveinthecountryratherthaninthecity.有些人更喜欢住在乡下而非城市的原因是前者生活节奏更慢、生活方式更健康。

(P90Ex1)Rewritethesentencesusingsubjectclauses.Example:I’dlikeyoutofindouthownewtechnologiescanincreasegrapeproductioninBinchuancounty.

WhatI’dlikeyoutofindout

ishownewtechnologiescanincreasegrapeproductioninBinchuancounty.(P90Ex1)Rewritethesentencesusingsubjectclauses.Wewantedtoknowwherehehadlostthelaptop.

Where___________________waswhatwewantedtoknow.hehadlostthelaptopThewayinwhichhedidtheexperimentwaspuzzlingtootherpeople.How__________________waspuzzlingtootherpeople.hedidtheexperiment(P90Ex1)Rewritethesentencesusingsubjectclauses.Dotheyusetoomanychemicalpesticides?Iworryaboutthismost.Whether___________________________________iswhatIworryaboutmost.theyuse