Unit 1 Science and Scientists Discover Useful Structures 表語從句課件-高中英語人教版（2019）選擇性必修第二冊-1

Unit1SCIENCEANDSCIENTISTSPredicativeClauses表語從句Tolearnthestructureofpredicativeclause.Toknowhowtojudgethepredicativeclause.Tomastertheconjunctionsofpredicativeclause.定義﹑結(jié)構(gòu)和如何判斷表從連接詞注意點010203CONTENT①Hisdreamis

todefeatCholera.②Hefinallybecame

asuccessfulscientist.③Thecausesofthediseaseremain

unknowntothepublic.④Theresultsoftheexperimentsound

reasonable.Observeandanalyzewhatpartdoestheunderlinedpartserveasineachsentence.表語Leadin

DefinitionPART01①WhatJohnSnowshowedtotheworldwas

howcholeracouldbeovercome.②TheexactplacesSnowmarkedonthemapwere

whereallthosewhodiedhadlived.③Snow’sfindingwas

thatthepumpwatercarriedcholeragerms.系動詞表語從句Observethesentencesandhinkaboutwhatisapredicativeclause.系動詞表語從句表語從句系動詞在主從復(fù)合句中充當(dāng)表語的從句叫表語從句。位于主句的系動詞之后，對主語進行解釋、說明，使主語的內(nèi)容具體化。表語從句要用陳述語序。1.Thedefinitionofpredicativeclause.2.Thestructureofpredicativeclause.主語+系動詞+連接詞+簡單句Thequestioniswhyhedidit.表語從句系動詞的分類1.感官類系動詞（sound,look,taste,smell,feel)2.變化類系動詞(get,turn,go,become…)be動詞3.狀態(tài)系動詞保持類系動詞（keep,remain,stay）似乎類系動詞（

seem,appear

）（am,is,are,was,were)可以接表語從句的系動詞有:表語從句的引導(dǎo)詞PART021.Ingeneral,doctorsinthosedayshadtwocontradictorytheoriestoexplainhowcholeraspread.Onetheorywas______badaircausedthedisease.Anotherwas______cholerawascausedbyaninfectionfromgermsinfoodorwater.(Para.2)

2.Whatismore,inanotherpartofLondon,awomanandherdaughterhaddiedofcholeraaftermovingawayfromBroadStreet.Itseemed______thewomanlikedthewaterfromthepumpsomuchthatshehaditdeliveredtoherhouseeveryday.(Para.3)1.that

引導(dǎo)的表語從句thatthatthatthat

____意義，在表語從句中______成分,起______作用，________省略。無不充當(dāng)連接不能1.Thequestionis_________

wecanrelyonhim.Heoftentellslies.2.Thequestionis_________

wecanfinishthetaskontime,forwehaveonlythreedaysleft.2.whether引導(dǎo)的表語從句whetherwhether連接詞whether起_____作用，意為“_________________”，在句中也不作任何成分（注意：if

______引導(dǎo)表語從句)。連接是否、究竟、到底不能3.what,which,who,whom,whose等引導(dǎo)的表語從句1.Tomisnolonger_______heusedtobe.2.Thequestionis_______ofusshouldcomefirst.(我們兩個中的哪一個)3.Theproblemis______

isreallyfitforthehardjob.4.Theimportantthingis_______nameshouldbeputonthetopofthelist.whatwhichwhowhose連接代詞what,which,who,whom,whose

除在句子中起______作用外，還可在從句中作_____、_____或______，且各有詞義。連接主語表語定語4.where,when,why,how引導(dǎo)的表語從句1.That’s

_______

Ican’tagreewithyou.2.Thisis

______

Sarawaslateforthemeeting.(Shemissedtheearlybus.)3.Thisis

_____

theyovercomethedifficulties.4.Mystrongestmemoryis

______

IattendedanAmericanweddingasachild.wherewhyhowwhen連接副詞where,when,why,how除在句中起______作用外，在從句中還充當(dāng)_______、______、______或______狀語，本身具有詞義。連接時間地點方式原因1.Itseems__________________hedoesn’tknowtheanswer.2.Itlooks__________________itisgoingtorain.5.asif/asthough引導(dǎo)的表語從句asif/asthoughasif/asthoughasif/asthough引導(dǎo)的表語從句常置于_________look,seem,sound,be,become

等_________。系動詞后面連接詞連詞:

that,whether,asif,asthough,because…連接副詞:

when,where,how,why,…+ever連接代詞:

what,who,whom,whose,which,…+ever（在從句中不作成分）（在從句中作主語、賓語、表語、定語）（在從句中作狀語）Summary:即學(xué)即練Thisis__________Iwant.MyEnglishislimited.Thisis_______IhatereadingEnglishbooks.Thevillageis_________Iusedtospendmyholiday.Heismyfavoritesinger.Itis________Ireallylovethewayhebehaves.Thetroubleis__________weareshortoffunds.Myproblemis__________coatissuitableforme.I‘

d

like

to

startmyownbusiness—that’s____IwanttodoifIhadthemoney.WhatIwanttoknowis_______willsupportme.whatwherewhybecausethatwhichwhatwho注意點PART03Thereasonwhyheislateforschoolis________

hemissedthebus.2.Whywedecidedtoputoffthefootballmatchis

________

theweatherwastoobad.thatthat當(dāng)主句的主語是_____________或why引導(dǎo)的__________時常用______來引導(dǎo)表語從句，而不用because。thereason主語從句that3.Hewasill.That’s________hewassenttothehospital.

4.Iamlatethismorning.Thatis________Ileftmybagonthesubway.5.Thereason______hewassolateis_____hemissedtheearlybus..whybecausethat/this/it+is/was+why+________(原因/結(jié)果)

表示“_________________________”that/this/it+is/was+because+_______(原因/結(jié)果)

表示“________________________”thereasonwhy…isthat…中why是引導(dǎo)_________，that引導(dǎo)的是_________，表示“___________________”。這/那就是……的原因結(jié)果這/那就是因為……原因whythat定語從句表語從句……的原因是……6.Mysuggestionisthatwe____________(go)andhelphim.7.Myadviceisthatwe____________(get)therebytrain.當(dāng)主句的主語是表示建議（suggestion,advice）、命令（order）、要求（request,proposal）、計劃（plan）等的名詞時，表語從句要用虛擬語氣，即（should）+動詞原形。(should)go(should)get即學(xué)即練1.Heiscarelessandirresponsible.Thatwas_______hewasfired.2.Hewasfired.Thatwas_________heiscarelessandirresponsible.3.Thereason_______hewasfiredwas________hewascarelessandirresponsible.4.Mysuggestionisthatwe____________(get)morestudentstotakepartintheactivitywhybecausewhythat(should)getSummary：1.表語從句的結(jié)構(gòu):主語+系動詞+關(guān)系詞

+簡單句2.引導(dǎo)詞