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﹑結構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合句中充當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:表語從句的引導詞PART021.Ingeneral,doctorsinthosedayshadtwocontradictorytheoriestoexplainhowcholeraspread.Onetheorywas______badaircausedthedisease.Anotherwas______cholerawascausedbyaninfectionfromgermsinfoodorwater.(Para.2)

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

引導的表語從句thatthatthatthat

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

wecanrelyonhim.Heoftentellslies.2.Thequestionis_________

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

______引導表語從句)。連接是否、究竟、到底不能3.what,which,who,whom,whose等引導的表語從句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_______、______、______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引導的表語從句asif/asthoughasif/asthoughasif/asthough引導的表語從句常置于_________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當主句的主語是_____________或why引導的__________時常用______來引導表語從句，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/結果)

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

表示“________________________”thereasonwhy…isthat…中why是引導_________，that引導的是_________，表示“___________________”。這/那就是……的原因結果這/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.表語從句的結構:主語+系動詞+關系詞

+簡單句2.引導詞