【課件】Unit+1Discovering+useful+structures表語(yǔ)從句語(yǔ)法課件人教版（2019）選擇性必修第二冊(cè)

高中英語(yǔ)新人教版選擇性必修二SCIENCEANDSCIENTISTSXB2U1-1ReadingforWriting讀寫(xiě)高中英語(yǔ)新人教版選擇性必修二SCIENCEANDSCIENTISTSXB2U1DiscoveringusefulstructureAnswerthequestions.Analyzethecomponentsofthesentence.Onetheorywasthatbadaircausedthedisease.Anotherthoerywasthatcholerawascausedbyaninfectionfromgermsinfoodorwater.ThetruthwasthatthewaterfromtheBroadStreetpumphadbeeninfectedbywaste.Whatwerethetwocontradictorytheoriestoexplainhowcholeraspread?Whatwasthetruthaboutthespreadofcholera?Functionasthepredicative(behindalinkeverb系動(dòng)詞）inacomplexsentence.在主從復(fù)合句充當(dāng)表語(yǔ)的從句叫表語(yǔ)從句Predicativeclause表語(yǔ)從句表語(yǔ)從句的定義PART01PredicativeclauseWhatIwanttosayisthatIamtired.Shedoesn’tknowwhethershelikeshimornot.Hewassenttothehospital.That’sbecausehewasill.

Itsoundsasifsomebodywasknockingatthedoor.ThereasonwhyhewaslatewasthathemissedthetrainthismorningJudge:Whichisapredicativeclause?引導(dǎo)表語(yǔ)從句的系動(dòng)詞PART02Linkverbs系動(dòng)詞狀態(tài)類(lèi)：beseemappearlookkeepstayremainPredicativeclause感官類(lèi)：looksoundsmelltastefeel變化類(lèi)：becomegrowturnfallgetgo終止類(lèi)：proveturnoutbe動(dòng)詞、look、grow、turnout、seem、sound、appear、become、prove、look、smell、taste、turn、feel、get、remain、stay、go、keep、PredictiveclauseUnderstandingscienceandpushingtheboundariesofscienceiswhatmakesmeimmenselysatisfied.—BillGatesThenextmajorexplosionisgoingtobewhengeneticsandcomputerscometogether.—AlvinTofflerThedoctorhasbeentaughttobeinterestednotinhealthbutindisease.Whatthepublicistaughtisthathealthisthecurefordisease.—AshleyMontaguResearchiswhatI'mdoingwhenIdon'tknowwhatI'mdoing.—WernhervonBraunApredictiveclauseisintroducedby?表語(yǔ)從句的引導(dǎo)詞PART03connectives連接詞連詞（在從句中不作成分）：

thatwhetherasifasthoughbecauseWhatisapredicativeclause?連接代詞（在從句中作主語(yǔ)、賓語(yǔ)、表語(yǔ)、定語(yǔ)）：

what/whateverwhich/whicheverwho/whoeverwhom/whomeverwhose連接副詞（在從句中作狀語(yǔ)）：

whenwherewhyhow即學(xué)即練learningandpracticeThisis__________Iwant.MyEnglishislimited.Thisis_______IhatereadingEnglishbooks.Thevillageis_________Iusedtospendmyholiday.Itis___________Ireallylovethewayhebehaves.Thetroubleis__________weareshortoffunds.Myproblemis__________coatissuitableforme.I'

d

like

to

startmyownbusiness—that’s________IwanttodoifIhadthemoney.WhatIwanttoknowis_______willsupportme.whatwherewhybecausethatwhichwhatwho表語(yǔ)從句的語(yǔ)法規(guī)則PART04表語(yǔ)從句的語(yǔ)法規(guī)則Thequestionishow(canI/I

can)makeyouunderstandtheknowledge.Rule1:表語(yǔ)從句和賓語(yǔ)從句、主語(yǔ)從句一樣，要用陳述語(yǔ)序：主語(yǔ)+謂語(yǔ)?！蘎ulesforusingapredicativeclauseRule2

:if/whether均表示是否，但引導(dǎo)表語(yǔ)從句（主語(yǔ)從句、同位語(yǔ)從句）只能用whether.Thequestionis(whether/if)itisworthwhiletodoit.復(fù)習(xí)：引導(dǎo)賓語(yǔ)/主語(yǔ)從句時(shí)只用whether,不用if的情況賓語(yǔ)從句Whethertodo賓語(yǔ)從句Whether……ornot介詞后的賓語(yǔ)從句主語(yǔ)從句句首只能用whether√表語(yǔ)從句的語(yǔ)法規(guī)則ThegrammarrulersofthepredicativeclauseRule3:

表語(yǔ)從句的虛擬語(yǔ)氣在表示“建議，命令、請(qǐng)求”的名詞advice,suggestion,request,proposal等后面的表語(yǔ)從句中，謂語(yǔ)動(dòng)詞用“shoulddo”，should可省略Myproposalisthatwe(should)start

earlytomorrow.Iproposethatwe

(should)startearlytomorrow.Itisproposedthatwe(should)start

earlytomorrow.表語(yǔ)從句的語(yǔ)法規(guī)則ThegrammarrulersofthepredicativeclauseRule4:asif/asthough引導(dǎo)的表語(yǔ)從句常跟在look,seem,sound,feel等后面語(yǔ)氣：若表示真實(shí)情況：用陳述語(yǔ)氣若表示非真實(shí)情況：用虛擬語(yǔ)氣Darkcloudsaregathering.Itlooksasifit’sgoingtorain.Itseemedasifthenightwouldneverend.表語(yǔ)從句的語(yǔ)法規(guī)則Thegrammarrulersofthepredicativeclauseasif/asthough引導(dǎo)的表語(yǔ)從句的虛擬語(yǔ)氣：

若跟現(xiàn)在事實(shí)不符：過(guò)去式（be動(dòng)詞用were）若跟過(guò)去事實(shí)不符：haddone

若跟將來(lái)事實(shí)不符：would/could+動(dòng)詞原形Helooksasifhekneweverythingintheworld.Hefeltasifhehadmetthisyoungladyforalongsomewhere.

即學(xué)即練learningandpracticeMysuggestionisthatwe__________(go)tohospitalatonce.Whenapencilispartlyinaglassofwater,itlooksasifit_______(be)broken.Myideaisthatwe___________(get)morepeopletoattendtheconference.Thelittlegirlappearedasifshe___________(be)agrown-up.Shelooksasifshe_________(be)tenyearsyounger.

shouldgowereshouldgethadbeenwere表語(yǔ)從句的語(yǔ)法規(guī)則ThegrammarrulersofthepredicativeclauseRule5:當(dāng)表語(yǔ)從句陳述原因時(shí)：It,This,That開(kāi)頭做主語(yǔ)，引導(dǎo)詞用because.

It/This/Thatisbecause主語(yǔ)為reason（why）

時(shí)，引導(dǎo)詞用that.

Thereason(why)isthat

Idosomanythingsforyou.ItisbecauseIloveyou.Shewaslatethismorning.Thatwasbecauseshemissedtheearlybus.

Thereasonwasthatyoudon’ttrusther.

Thereasonwhyshewaslatewasthatshemissedtheearlybus.即學(xué)即練learningandpractice1.Heiscarelessandirresponsible.Thatwas_______hewasfired.2.Hewasfired.Thatwas_________heiscarelessandirresponsible.3.Thereason_______hewasfiredwas________hewascarelessandirresponsible.whybecausewhythat語(yǔ)篇中的銜接連貫：語(yǔ)法、詞匯、邏輯、語(yǔ)音（口語(yǔ)）Tom:SpellSTOPthreetimes.Jerry:_________________Tom:Whatwillyoudowhenyoucometoagreenlight?Jerry:_________________Tome:Thenwhatwillyoudowhenyoucomearedlight?Jerry:__________________Tom:What?AtaREDlight?Jerry:No,Iwillstopfirsttoseetheclourofthelight.______________A:STOP,STOP,STOP.B:Idon'tknow.A:Iwillstop.B:Yes,hewasathome.A:Iwillstop.B:Iwillgoon.A:ThenIwillgoon.B:Whatdoyoumean?√√√√詞匯手段lexicalconnector語(yǔ)法手段

grammaticalconnector語(yǔ)音手段phonecticconnector邏輯手段logicalconnector即學(xué)即練learningandpracticeFinishActivity3onPage5.Whatconnectingruleisused?Key:ACBEDQuetions

1.WhawasDavid'sgroup'sresearch?2.Whatwastheirproblem?3.Whatwastheirkeyissuse?4.Whatdidtheycareabout?表語(yǔ)從句定義：在復(fù)合句中充當(dāng)表