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

subjectclausesUnit5WorkingthelandDiscoverUsefulStructuresFillthelyrics(歌词)afterlisteningtothesong(AsLongAsYouLoveMe)AlthoughlonelinesshasalwaysbeenafriendofmineI’mleavingmylifeinyourhandsPeoplesayI’mcrazyandthatI’mblindRiskingitallinaglanceAnd

isstillamysteryIcan’tgetyououtofmyheadDon’tcarewhatiswritteninyourhistoryAslongasyouareherewithmeIdon’tcarewhoyouarewhereyouarefromwhatyoudidAslongasyoulovemehowyougotmeblind1.Learnaboutthedefinitionandbasicinformationofsubjectclause.2.Learntoidentifythesubjectclausecorrectlyandchooseproperleadingwords.3.Putwhatyoulearnintopractice.Learningobjectives:

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Rreview名词性从句的定义：

名词性从句就是在复合句中起_____作用的从句。名词ObserveandAnalysePARTTWO5.Tofindyourwaycanbeaproblem.

4.Smokingisbadforyou.1.Janeworkshard.2.Youareastudent.

3.Theoldshouldberespected.What’sthesubject?（什么是主语？）6.Whatshesaidisnotknown./It’snotknownwhatshesaid.总结：☞主语是动作的______,是句子说明的人或______，一般放在____也就是_______________之前。若主语过长，则可用___作形式主语，真正主语后置。☞在复合句中充当_______的句子叫主语从句。句首主语从句作主语名词作主语代词作主语The+形容词作主语动名词作主语动词不定式时作主语谓语动词或系动词执行者事物itThenfindsubjectclausesfromthetext.1.P2L3However,whatconcernedhimmostwasthatfarmersoftenhadpoorharvestsandsometimesevenhadaseriousshortageoffoodtoeat.2.P3L4Howthiscouldbedonewasachallengingquestionatthetime.3.P3L9However,whetheritwaspossibletodevelopahybridofself-pollinatingplantssuchasricewasamatterofgreatdebate.4.P4L1Today,itisestimatedthatabout60percentofdomesticriceconsumptioninChinaiscomprisedofcrops...5.P6L1WhatimpressespeoplemostaboutYuanLongpingishisongoingabilitytofulfilhisdreams.Feelthesentencesinred.However，whatconcernedhimmostwasthatfarmersoftenhadpoorharvestsandsometimesevenhadaseriousshortageoffoodtoeat.However，whetheritwaspossibletodevelopahybridofself-bollinatingplantssuchasrice

wasamatterofgreatdebate.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Conjunctionsasleadingwords主语从句的引导词Thinking思考：1.Whataretheleadingwordsofsubjectclause?(主语从句的引导词有哪些?)2.Whataretheirfunctionsandmeaning?(他们有什么功能什么含义?)Conjunctions主语从句的引导词之从属连词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主语从句的引导词之连接代词1.Who

willtakepartinthemeetinghasnotbeendecided.2.Whomtheywillchooseisasecret.3.Whosescoresarehigher

willcomeoutsoon.4.WhichbookIshallchoosehasn’tbeendecided.who在主语从句中充当______,译为______。whom在主语从句中充当______译为______。whose在主语从句中充当______,译为______。which在主语从句中充当______,译为______。主语谁宾语谁的定语哪一个CompareandDiscover2谁定语Conjunctions主语从句的引导词之连接代词1.Whatsurprisedmeisthegiftfrommysister.2.Whatyouhavedonemightdoharmtoothers.3.Whatyoulooklikemakesnodifference.3.Whathisphonenumberisisstillunknowntome.4.Whatdayitistodayisnotimportant.CompareandDiscover3what在主语从句中可充当______,_____,_____译为

_________________________;也可放在名词前充_____。主语宾语表语什么/所...的,...的东西/事/样子定语Conjunctions主语从句的引导词之连接代词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主语从句的引导词之连接副词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_______。时间状语何时地点状语何地原因状语为什么方式状语如何/怎样CompareandDiscover5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/whom(谁)whose(谁的),what(什么,所...的/...的东西、事情),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“缺什么补什么”原则缺主语，指人用____，指物用_____缺宾语，指人用_______，指物用____缺时间状语用______；地点状语用______；原因状语用_____；方式状语用_____；定语用_________；什么都不缺用______________。whowhatwho/whomwhatwhenwherewhyhowwhich/whose/whatthat/whether（是否）如何选择主语从句的连接词PracticePARTThreeCompletethesentencesusingproperleadingwords.1.(_____isneededforsuccess)isyourhardwork.3.(_________shewillcomeornot)isstillaquestion.2.(_____shelefthim)madehimveryupset.4.(____canjoininthesportmeet)isdecidedbytheteacher.5.(______theywillchoosetocarryouttheplan)isasecret.7.(_____theearthisasolidball)isknowntousall.WhatWhetherWhoWhomThat6.(______theearthisbecomingwarm)isagoodtopicforresearch.WhyThat8.(_________breakthelaw)willbepunished.9.(_______willbepunishedbytheteacher)isunknown.WhoeverWho10.(_____________wewillsetupthefactory)shouldbediscussed.When/Where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。Mattersneedattention注意事项1：主语从句的语序Whyhedidn’tcome

______unknown.Whenandwherehewillgo_____unknown.单个主语从句做主语，主句谓语动词用_______(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is/wasis注意事项2：主语从句主谓一致问题3.Whathesaidandwhathedid________different.4.WhatIwant____time.

WhatIwant_______threebooks.主语为and连接的两个或两个以上主从时，谓语动词用______(单数？复数？)what引导的单个主语从句，主句谓语的单复数由主句做_____的名词的单复数决定

(主语？表语？)复数表语areis

are注意事项2：主语从句主谓一致问题1.Whethergenetically-modifiedfooddoesusharmremainstobeseen.＝Itremainstobeseenwhether/ifgenetically-modifiedfooddoesusharm.2.Whethershewillcomeornotisstillaquestion.总结：whether引导的主语从句,如果用了__________,引导词whether可以换成if。如果whether从句在句首或后面有_____时，不能用if替换。注意事项3：whether和if区别形式主语itornotItbecertainthat…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引导主语从句常用句式Itbe+名词+that从句主要句型

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……)

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It

+及物动词

+that从句主要句型Itsurprised/shockedmethat...让我惊讶/震惊的是……

Ithit/struckmethat…我突然想起…

(P90Ex1)Rewritethesentencesusingsubjectclauses.Wewantedtoknowwherehehadlostthelaptop.

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

Peoplearehappytoseethatthelivingconditionsandincomeofthefarmershaveimprovedalot.That________________________________________________________makespeoplehappy.thelivingconditionsandincomeofthefarmershaveimprovedalot(P90Ex1)Rewritethesentencesusingsubjectclauses.Wehavenotdecidedonthedateforthesportsmeetyet.When______________________hasnotbeendecidedonyet.thesportsmeetwillbeheldItisveryimportantthatastudent(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。(2022·全国甲卷)Firstofall,_________wecandoistoplaceimportanceonourdailyactions.(2021·山东卷)_________hesaid