【課件】Unit+5Discover+Useful+Structures+課件人教版（2019）選擇性必修第一冊(cè)

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

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

句子類(lèi)型簡(jiǎn)單句并列句復(fù)合句主句形容詞性從句(定語(yǔ)從句)名詞性從句副詞性從句(狀語(yǔ)從句)主語(yǔ)從句賓語(yǔ)從句表語(yǔ)從句同位語(yǔ)從句從句Rreview名詞性從句的定義：

名詞性從句就是在復(fù)合句中起_____作用的從句。名詞ObserveandAnalysePARTTWO5.Tofindyourwaycanbeaproblem.

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

3.Theoldshouldberespected.What’sthesubject?（什么是主語(yǔ)？）6.Whatshesaidisnotknown./It’snotknownwhatshesaid.總結(jié)：?主語(yǔ)是動(dòng)作的______,是句子說(shuō)明的人或______，一般放在____也就是_______________之前。若主語(yǔ)過(guò)長(zhǎng)，則可用___作形式主語(yǔ)，真正主語(yǔ)后置。?在復(fù)合句中充當(dāng)_______的句子叫主語(yǔ)從句。句首主語(yǔ)從句作主語(yǔ)名詞作主語(yǔ)代詞作主語(yǔ)The+形容詞作主語(yǔ)動(dòng)名詞作主語(yǔ)動(dòng)詞不定式時(shí)作主語(yǔ)謂語(yǔ)動(dòng)詞或系動(dòng)詞執(zhí)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.以上加顏色部分在句中作

。1句和4句中的what在從句中作

。2句中的whether意為“

”。3句中的it是

，真正的主語(yǔ)是后面的

。主語(yǔ)主語(yǔ)是否形式主語(yǔ)that引導(dǎo)的從句Conjunctionsasleadingwords主語(yǔ)從句的引導(dǎo)詞Thinking思考：1.Whataretheleadingwordsofsubjectclause?(主語(yǔ)從句的引導(dǎo)詞有哪些?)2.Whataretheirfunctionsandmeaning?(他們有什么功能什么含義?)Conjunctions主語(yǔ)從句的引導(dǎo)詞之從屬連詞1.Thathewillpasstheexamiscertain.2.Whetherhewillpasstheexamisuncertain.that_______成分，____意義，______省略。whether_____成分，____意義，譯為_(kāi)____。不做是否無(wú)不能不做有CompareandDiscover1Conjunctions主語(yǔ)從句的引導(dǎo)詞之連接代詞1.Who

willtakepartinthemeetinghasnotbeendecided.2.Whomtheywillchooseisasecret.3.Whosescoresarehigher

willcomeoutsoon.4.WhichbookIshallchoosehasn’tbeendecided.who在主語(yǔ)從句中充當(dāng)______,譯為_(kāi)_____。whom在主語(yǔ)從句中充當(dāng)______譯為_(kāi)_____。whose在主語(yǔ)從句中充當(dāng)______,譯為_(kāi)_____。which在主語(yǔ)從句中充當(dāng)______,譯為_(kāi)_____。主語(yǔ)誰(shuí)賓語(yǔ)誰(shuí)的定語(yǔ)哪一個(gè)CompareandDiscover2誰(shuí)定語(yǔ)Conjunctions主語(yǔ)從句的引導(dǎo)詞之連接代詞1.Whatsurprisedmeisthegiftfrommysister.2.Whatyouhavedonemightdoharmtoothers.3.Whatyoulooklikemakesnodifference.3.Whathisphonenumberisisstillunknowntome.4.Whatdayitistodayisnotimportant.CompareandDiscover3what在主語(yǔ)從句中可充當(dāng)______,_____,_____譯為

_________________________;也可放在名詞前充_____。主語(yǔ)賓語(yǔ)表語(yǔ)什么/所...的,...的東西/事/樣子定語(yǔ)Conjunctions主語(yǔ)從句的引導(dǎo)詞之連接代詞1.Whoeverleavestheroomlastoughttoturnoffthelights.2.Whateverhedidwasright.3.Whicheverofyoucomesin

willreceiveaprize.CompareandDiscover4whoever在主語(yǔ)從句中充當(dāng)______,譯為

______。whatever在主語(yǔ)從句中充當(dāng)______,譯為

______。whichever在主語(yǔ)從句中充當(dāng)______,譯為

______。主語(yǔ)無(wú)論誰(shuí)賓語(yǔ)無(wú)論什么主語(yǔ)無(wú)論哪個(gè)Conjunctions主語(yǔ)從句的引導(dǎo)詞之連接副詞1.Whentheywillstartisnotknownyet.2.Wheresheisfromisunknown.3.Whyhewaslateisnotimportantnow.4.How

hebecameagreatscientistisknowntousall.when在主語(yǔ)從句中充當(dāng)_______,譯為_(kāi)_____。where在主語(yǔ)從句中充當(dāng)_______,譯為_(kāi)_____。why在主語(yǔ)從句中充當(dāng)_______,譯為_(kāi)______。how在主語(yǔ)從句中充當(dāng)_______,譯為_(kāi)______。時(shí)間狀語(yǔ)何時(shí)地點(diǎn)狀語(yǔ)何地原因狀語(yǔ)為什么方式狀語(yǔ)如何/怎樣CompareandDiscover5類(lèi)別例詞說(shuō)明從屬連詞that，whether（是否）兩者在從句中均不作成分，只起連接作用連接代詞who/whom(誰(shuí))whose(誰(shuí)的),what(什么,所...的/...的東西、事情),which(哪一)，whoever(無(wú)論誰(shuí))，whichever(無(wú)論哪個(gè)),whatever(無(wú)論什么)等在從句中作主語(yǔ)、賓語(yǔ)、表語(yǔ)、定語(yǔ)等成分。連接副詞when，where，how，why等在從句中作時(shí)間、地點(diǎn)、方式、原因狀語(yǔ)等成分。Summary主語(yǔ)從句的引導(dǎo)詞“缺什么補(bǔ)什么”原則缺主語(yǔ)，指人用____，指物用_____缺賓語(yǔ)，指人用_______，指物用____缺時(shí)間狀語(yǔ)用______；地點(diǎn)狀語(yǔ)用______；原因狀語(yǔ)用_____；方式狀語(yǔ)用_____；定語(yǔ)用_________；什么都不缺用______________。whowhatwho/whomwhatwhenwherewhyhowwhich/whose/whatthat/whether（是否）如何選擇主語(yǔ)從句的連接詞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主語(yǔ)從句應(yīng)使用_________語(yǔ)序。1.Wherewewillhaveapicnicshouldbediscussed.

Wherewillwehaveapicnicshouldbediscussed.2.Howwegoforapicnicshouldbediscussed.

Howdowegoforapicnicshouldbediscussed.Rule3陳述句√√××

即主語(yǔ)在前，謂語(yǔ)在后。Mattersneedattention注意事項(xiàng)1：主語(yǔ)從句的語(yǔ)序Whyhedidn’tcome

______unknown.Whenandwherehewillgo_____unknown.單個(gè)主語(yǔ)從句做主語(yǔ)，主句謂語(yǔ)動(dòng)詞用_______(單數(shù)？復(fù)數(shù)？)由兩個(gè)連接詞引導(dǎo)同一個(gè)主從，謂語(yǔ)動(dòng)詞用______(單數(shù)？復(fù)數(shù)？)單數(shù)單數(shù)is/wasis注意事項(xiàng)2：主語(yǔ)從句主謂一致問(wèn)題3.Whathesaidandwhathedid________different.4.WhatIwant____time.

WhatIwant_______threebooks.主語(yǔ)為and連接的兩個(gè)或兩個(gè)以上主從時(shí)，謂語(yǔ)動(dòng)詞用______(單數(shù)？復(fù)數(shù)？)what引導(dǎo)的單個(gè)主語(yǔ)從句，主句謂語(yǔ)的單復(fù)數(shù)由主句做_____的名詞的單復(fù)數(shù)決定

(主語(yǔ)？表語(yǔ)？)復(fù)數(shù)表語(yǔ)areis

are注意事項(xiàng)2：主語(yǔ)從句主謂一致問(wèn)題1.Whethergenetically-modifiedfooddoesusharmremainstobeseen.＝Itremainstobeseenwhether/ifgenetically-modifiedfooddoesusharm.2.Whethershewillcomeornotisstillaquestion.總結(jié)：whether引導(dǎo)的主語(yǔ)從句,如果用了__________,引導(dǎo)詞whether可以換成if。如果whether從句在句首或后面有_____時(shí)，不能用if替換。注意事項(xiàng)3：whether和if區(qū)別形式主語(yǔ)itornotItbecertainthat…肯定…Itbepossible/likelythat...很可能……Itbeobvious/clearthat…很明顯…Itbetruethat…的確…Itbenecessary\important\natural\...that…It

be+adj

+that從句主要句型+(should)+do…it作形式主語(yǔ)，that引導(dǎo)主語(yǔ)從句常用句式Itbe+名詞+that從句主要句型

It

begood

news

that...

(……真是太好了)

It

beno

wonder

that...

(難怪……

)

It

bea

apity/shame

that...

(遺憾的是……；)

It

beafact

that...

(事實(shí)上……)

Itbereported

that...（據(jù)報(bào)道……）

Itbebelieved

that...（人們相信……）

It

begenerally

thought

that…（人們普遍認(rèn)為……）

It

has

been

found

that...（現(xiàn)已發(fā)現(xiàn)……）

It

should

be

noted

that…（應(yīng)當(dāng)注意……）

It

must

be

pointed

out

that…（必須指出……）It

be+過(guò)去分詞+that從句主要句型it作形式主語(yǔ)，that引導(dǎo)主語(yǔ)從句Ithappenedthat...碰巧……

Itoccurredtomethat…我突然想起…Itappears/seemsthat…似乎，好像…Itturnedoutthat…原來(lái)…

Itdependsonthat… 取決于…It

+不及物動(dòng)詞

+that從句主要句型it作形式主語(yǔ)，that引導(dǎo)主語(yǔ)從句It

+及物動(dòng)詞

+that從句主要句型Itsurprised/shockedmethat...讓我驚訝/震驚的是……

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.學(xué)生學(xué)好英語(yǔ)很重要。Itissuggestedthatthemeeting(should)beputoff.有人建議會(huì)議延期召開(kāi)。Itdependsontheweatherwhethertheyaregoingshoppingtoday.他們今天是否去購(gòu)物還得看天氣情況。Forexample，itcanbeprovedthatChinahasmorepeoplethananyothercountryintheworld.舉例來(lái)說(shuō)，中國(guó)人口比世界上其他任何國(guó)家的人口都多，這是可以得到證實(shí)的。Itisnowonderthatyourstudentshavemadesuchgreatprogress.難怪你的學(xué)生們進(jìn)步這么大。(2022·全國(guó)甲卷)Firstofall,_________wecandoistoplaceimportanceonourdailyactions.(2021·山東卷)_________hesaid