Unit1ScienceandScientistsLearningAboutLanguageDiscoverusefulstructures課件高中英語人教版選擇性1

Unit1ScienceandScientists

表語從句判斷下列句子中的從句類型1.(Para.3)Snowsuspectedthatthewaterpumpwastoblame.

賓語從句2.Whatkeepsthemfromdoingsoisthefactthatchemicalfarmingservesthehighdemandforfoodaroundtheworld.

同位語從句3.(Para.2)Onetheorywasthatbadaircausedthedisease.Anotherwasthatcholerawascausedbyaninfectionfromgermsinfoodorwater.…

表語從句主語從句Theweatherissevere.主語

+系動詞

表語

+ThetruthwasthatthewaterfromtheBroadStreetpumphadbeeninfectedbywaste.引導(dǎo)詞

簡單句/復(fù)合句

+表語從句放在連系動詞之后，充當(dāng)復(fù)合句中的表語。表語從句就是指一個句子作為表語，說明主語是什么或者怎么樣（主補）。一般結(jié)構(gòu)為“主語+系動詞+表語從句”1.狀態(tài)系動詞:表主語性質(zhì)或狀態(tài)的be動詞，如2.表像系動詞:看起來像3.持續(xù)系動詞:4.感官系動詞:5.變化系動詞如6.終止系動詞,表達(dá)“證實”，“結(jié)果是”之意

is,am,are,was,were

seem,look,appearkeep,remain,stay,lie,stand等sound,look,taste,smell,feel

grow,become,turn,fall,get,go,come,run等

prove,turnout等可以接表語從句系動詞有：1.從屬連詞that引導(dǎo)的表語從句Thefactisthathewaslying.Thereasonisthattheynevergiveup.Hissuggestionisthatweshouldtellhim.

Oneideaisthatfishisthebestbrainfood.that僅起_______作用，______(有/無)詞義，______(是/不)充當(dāng)句子成分，通常________(能/不能)省略。無不能不連接1.從屬連詞whether引導(dǎo)的表語從句Thequestionisifwecanfinishourwork.Thequestioniswhetherthefilmisworthwatching.

Thedoctor’sdoubtiswhethershewillsurvive.

whether起_________作用，意為“_______”，在句中_________(是/不)作成分。(注意：if______(能/不能)引導(dǎo)表語從句)。連接是否不不能1.從屬連詞asif/asthough/because引導(dǎo)的表語從句Itsoundsasif/thoughsomeoneisknockingatthedoor.Shelookedasifshehadbeenhitbylightning.Itseemsasifsheweremad.Hedidnotseethefilmlastnight.Thatis

becausehehadseenitbefore.asif/though在從句中________(是/不)充當(dāng)成分，意為“______________”;若表語從句所述的是非真實的情況，從句用_________(主句一般現(xiàn)在時，從句用_________時；主句過去時，從句___________時)；because在從句中_______(是/不)充當(dāng)成分，意為“______________”不似乎；好像虛擬語氣一般過去過去完成不因為表語從句的虛擬語氣

一堅持（insist)

二命令（order,command)

三建議（advise,suggest,propose)

四要求（ask,require,request,demand)當(dāng)主句的主語是表示建議、命令、要求等后面的表語，那么表語從句應(yīng)該用虛擬語氣，即謂語動詞用“should+動詞原形”，should可省略。

Hissuggestionisthatshe________________(keep)quiet.Myadviceisthatwe_______________(ride)tothepark.(should)keep(should)ride2.連接代詞what(ever),which,who(ever),whom(ever),whose等引導(dǎo)的表語從句Myhometownisnolongerwhatitusedtobe.Theproblemiswhowecangettoreplaceher.Theproblemiswhoseworkisthebest.Thequestioniswhatcausedtheaccident,thepoorwhetherortheheavytraffic?

連接代詞在句中起_______作用，還在從句中還充當(dāng)______、______、______、_______,______(有/無)意義，________(能/不能)省略。連接表語賓語定語主語有不能3.連接副詞when,where,how,why引導(dǎo)的表語從句Theproblemishowwecanfindhim.ThatiswhereIfirstmether.That'swhyIobjecttotheplan.Thanksgivingiswhenpeoplecelebratetheharvest.連接副詞在句中起________作用,還在從句中充當(dāng)_______,_______，______，_______狀語，________(能/不能)省略。連接方式地點原因時間不能表語從句的引導(dǎo)詞從屬連詞在從句中不作句子成分連接代詞在從句中作主語、賓語、表語、定語連接副詞在從句中作狀語whenwherewhyhowwhat/whateverwhich/whicheverwho/whoeverwhom,whose...that,whetherasif/asthoughbecauseSummary1.1)Snow’sfindingwas

_____thepumpwatercarriedcholeragerms.Thequestionis_________wecanfinishitinsuchashorttime.2)Thatwas

_____happenedattheinitialstageofourgroup’sresearchon

developingavaccineformalaria.

3)Thisis_____scienceisallabout.

翻譯：Themountainisnot_______itusedtobe.

4)Itsounded

______(好像)somebodywasknockingatthedoor.

5)Theproblemis

____

issuitablefortheposition.Thequestionis_______weshouldturntohelp.

6)Thequestionis

______ofusshouldbeinchargeofthecompany.

7)Theimportantthingis

______

nameshouldbeputonthetopofthelist.thatwhatasifwhatwhowhichwhosewhat這座山已經(jīng)不是以前的樣子了。whetherif不能用在表從中whom2.1)Thanksgivingis_____peoplecelebratetheharvest.

2)Goandgotyourcoat.It’s_______youleftit.

3)Whatpuzzlesmeis______helefthomewithouttellinganyone.whenwherewhy3.1)IadmiredYuanLongpingverymuch.That’s________

hedevotedallhislifetomillionsoffarmers.2)YuanLongpingdevotedallhislifetomillionsoffarmers.That’s_____Iadmiredhim.3)Thereason

_____IadmiredYuanLongpingverymuchis____

hedevotedallhislifetomillionsoffarmers.becausewhywhythatthat’sbecause+_____________that’swhy+_______________thereasonwhy+____________isthat+________原因結(jié)果原因

結(jié)果II.用表語從句完成句子翻譯1.(道歉信)______________________________________________(我不能按約定赴約的原因是)myrelativescametomyhouseandIhadtotreatthem.2.(建議信)________________________________________________________(我的建議是你應(yīng)該充分利用你的時間)tostudyEnglish.3.(續(xù)寫【升華】)Thisis_______________________(我的父親教會我的)-nevergiveup.1.翻譯：Readingistomewhatwateristofish.

讀書之于我猶如水之于魚。2.(2015安徽高考)Ashipinharborissafe,butthat’snot

______shipsarebuiltfor.ThereasonwhyIcan'tkeepmyappointmentisthatMysuggestionisthatyoushouldmakefulluseofyourtimewhatmyfathertaughtmewhat名詞性從句的連詞類別詞義充當(dāng)成分that連接詞

whether/if

what連接代詞無無是否無名詞性從句的連接詞什么主、賓、表when連接副詞

where

why

how

什么時候時間狀語什么地方原因狀語為什么方式狀語如何地點狀語

從屬連詞_____(無意義/不做成分),________(是否/不做成分),______(好像/不做成分)連接代詞(主/賓/表/定)____(誰),________(誰的),_______(賓/誰),_____(什么),_______(哪一個)連接副詞

________(地點),_______(時間),___________(無論何時),_________(無論何地),_____(方式),____(原因)thatwhetherasifwhowhosewhomwhatwhichwherewhenwheneverwhereverhowwhy表語從句的引導(dǎo)詞Answerthefollowingquestionsusingtheinformationfromthereadingpassageaswellasthepredicativeclauses.2.WhatwasSnowdeterminedtofindoutduringthe1854outbreakofcholerainLondon?

WhatSnowwasdeterminedtofindoutwaswhy_____________________________________________________________________.1.WhatwasSnow’sdiscoveryintwoparticularstreetsinLondon?

Snow’sdiscoveryintwoparticularstreetsinLondonwasthat__________________________________________________________________.3.WhatweretheexactplacesSnowmarkedonthemap?TheexactplacesSnowmarkedonthemapwerewhere__________________________________________________.4.WhatwasthefindingthatSnowannounced?Snow’sfindingwasthat___________________________________________________________________________________________________________________________.thecholeraoutbreakwassoseverethatmorethan500peoplediedintendaystheoutbreakofcholerahadcausedover500deathswithintendaysallthosewhodiedhadlived/allthedeadpeoplehadlivedthewaterpumpwastoblameforthespreadofcholera/thepumpwatercarriedcholeragerms/waterfromtheBroadStreetpumphadbeeninfectedbywasteDavidistalkingtoMariaabouttheirscientificresearchproject.FirstcompleteDavid’slines(A–E),usingthewordsinthebox.asifthatwhatwhowhenhowwhywhosewhichwhetherAAbsolutely.Youmaynotbelieveit,butthatwas___________happenedattheinitialstageofourgroup’sresearchondevelopingavaccineformalaria.BYes,itis.Anditseemed___________allthetheorieswereuseful,butthefactwas___________wecouldn’tpersuadeoneanotherthatonetheorywasbetterthananother.CExactly.Theproblemwasnotabout___________allourtheorieswereequallygood,butindeciding_______________theorytodependupon.DWerealisedthatwhatwecaredaboutwasnot_____________aspectweneededtodevelopatheoryin,butrather___________wecanreducethecostofavaccinewithoutreducingi