Unit1ScienceandScientistsDiscoveringUsefulStructuresConductingexperimentsishisjob.Conductingexperimentsiswhathedoeseveryday.表語從句是指______________________,緊跟在________之后，對主語進行解釋、說明，使主語的內容具體化。系動詞在句子中充當表語的從句Lead-in:FindthepredicativeclauseLinkverbs系動詞be感官：looksoundsmelltastefeel變化/持續：becomegrowturnfallgetgocomerunApredictiveclauseisintroducedby....?standremainkeepstayWhatIwanttosayisthatIamtired.Shedoesn’tknowwhethershelikeshimornot.Hewassenttothehospital.That’sbecausehewasill.

Itsoundsasifsomebodywasknockingatthedoor.Thereasonwhyhewaslatewasthathemissedthebusthismorning.Judge:Whichisapredicativeclause?表從的連接詞從句缺主賓表定what物,who人，whom人賓which哪一個,

whose誰的從句不缺主賓表定（不作成分）that,whether無意義，是否（作狀語）when,where,how,why,because強調無論+ever表語從句的引導詞連接代詞：which(ever)1.Thequestionis

.問題是哪個學生英語最好。2.Ireadaboutitinsomebookoranother,butwhatIdon'tknowis

.我在某本書里讀到過，但我不知道是哪一本書。總結：which在引導表語從句時,常在句中充當______,表示：__________whichstudentisthebestatEnglishwhich(book)itis哪一個定語連接代詞：who(ever)、whom(ever)、whose、what(ever)1.Youcanbe__________youwanttobe.你可以成為你想做的任何人。2.Thequestionis__________causedtheaccident.問題是什么造成了這場事故。3.Themostimportantthingis__________responsibilityitis.最重要的就是它是誰的責任。4.Thisis________myfatherhastaughtme--tobeanhonestman.這就是我父親教給我的--做一個誠實的人。總結：who(ever)、whom(ever)、whose、what(ever)在從句中作__________、_____________、________、________。whoeverwhatwhosewhat主語賓語表語定語從屬連詞：

that、whether(不能用if)1.Mybeliefis__________Iwillsucceedbyworkinghard.我的信念是通過努力我會成功。2.Themostpleasantthingoftherainyseasonis________onecanbeentirelyfreefromdust.雨季最令人愉快的事情是完全沒有灰塵。3.Theproblemis______________wecanfindthemthere.問題是我們能否在那里找到他們。whetherthatthat總結：that在從句中不充當成分，也沒有實際意義，且不可省略；whether也不能省略，意思為：是否。連接副詞：

when、where、why、how1.Thisis____________Idon'tagreewithyou.這就是我不同意你的地方。2.Thequestionis__________wecangetintouchwithhim.問題是我們怎樣才能和他聯系上。3.ItrainedheavilylastnightwhenIwentbackhome.Thatis_________Igotwetthrough.

那就是為什么我被淋濕了?？偨Y：when、where、why、how引導從句，在從句中作________，表示時間、地點、原因、方式。wherehowwhy狀語Thisis__________Iwant.MyEnglishislimited.Thisis_______IhatereadingEnglishbooks.Thevillageis_________Iusedtospendmyholiday.Itis___________Ireallylovethewayhebehaves.Thetroubleis__________weareshortoffunds.Myproblemis__________coatissuitableforme.I'

d

like

to

startmyownbusiness—that’s________IwanttodoifIhadthemoney.WhatIwanttoknowis_______willsupportme.whatwherewhybecausethatwhichwhatwho即學即練表從易錯點1.區分that和what總結：that引導表語從句時，是連詞，在從句中不作成分；what是連接代詞，引導表語從句時，在從句中作主語、賓語或表語。1.Thefactis_______wetendtomakemistakeswhenwearenervous.2.Thisis_________Iwanttosay.3.Thequestionis_________causedtheaccident.4.Thetroubleis_________shehaslosthisaddress.thatwhatthatwhat2.區分because和why1.Sheoftencomeslate.That's______________shehasababytotakecareof.她經常遲到。那是因為她有一個孩子要照顧。2.Shehasababytotakecareof.That's_____________sheoftencomeslate.她有一個孩子要照顧。那就是她經常遲到的原因。總結：because引導表語從句時強調原因，

why引導表語從句時強調結果。whybecause總結：

當表語從句陳述原因時：It,This,That開頭做主語，引導詞用because.

It/This/Thatisbecause....②主語為reason（why）

時，引導詞用that.

Thereason(why)....isthat....

Idosomanythingsforyou.ItisbecauseIloveyou.Shewaslateforclass.Thatwasbecauseshemissedtheearlybus.

Thereasonwasthatyoudon’ttrusther.

Thereasonwhyshewaslatewasthatshemissedtheearlybus.3.區分that和because1.Heiscarelessandirresponsible.Thatwas_______hewasfired.2.Hewasfired.Thatwas_________heiscarelessandirresponsible.3.Thereason_______hewasfiredwas________hewascarelessandirresponsible.4.Ilostthegame.Thereasonwas_________Iunderestimatedmycompetitors.5.Thereason_______Ilostthegamewas_______Iunderestimatedmycompetitors.whybecausewhythat即學即練whythatthatPractice！1.［2013·安徽］Fromspace,theearthlooksblue.Thisis_________

aboutseventy-onepercentofits

surfaceiscoveredbywater.2.［2014·四川］Grandmapointedtothehospitalandsaid,"That’s

__________Iwasborn．"3.［2014·北京］Thebestmomentforthefootballstarwas_______hescoredthewinninggoal.4.[2018·江蘇]

Byboatistheonlywaytogethere,whichis_______

wearrived.5.[2018·北京]

Thisis

myfatherhastaughtme—toalwaysfacedifficultiesandhopeforthebest.6.[2021·新高考1卷]Theamazingthingaboutthespringis________

thecolderthetemperaturegets,thehotterthespring!becausewherewhenhowwhatthat【高考真題】Everyoneknew1.

Wendywasafamouswriter,butnooneknew2.

shecamefromand3.

shewasbornin1961wasstillamystery.4.