Unit1ScienceandScientistsDiscoverusefulstructures课件-高中英语人教版选择性

Unit1LearningaboutlanguageDiscoveringusefulsturcturePredicativeclauses表语从句

句子类型简单句并列句复合句主句形容词性从句(定语从句)名词性从句副词性从句(状语从句)主语从句宾语从句表语从句同位语从句从句Revision1.Definition定义Hisdiarrhea

seems

severe.Hefinallybecame

asuccessfulscientist.Hisjobis

tohandletheproblem.Snow’sfindingwasthatthepumpwatercarriedcholeragerms.“主系表”表语是用来说明主语的身份、性质、品性、特征和状态的，表语常由名词、代词、数词、非谓语、介词短语、形容词和从句等来充当。Thedefinitionofpredicativeclause.Thequestioniswhowilldoit.Thequestionisdifficult.（表）（表）表语从句在复合句中作______的从句称为表语从句,紧跟在________之后，从句保持______语序，对主语进行解释、说明。系动词表语陈述句

Thestructureofpredicativeclause.主语+系动词+引导词

+简单句Thisiswhyhedidit.e.g.WhatIwanttosayis

that

Iamtired.表语从句可以接表语从句的系动词有:be动词:amisare;感官动词：look，feel,sound,taste,smell;表象系动词：seem（仿佛）,appear（似乎）持续性动词：remain,keep,stay;变化系动词：become,get,grow,turn,go,come,run,fall;终止系动词：prove（证明是）,turnout（结果是）系动词分类①WhatJohnSnowshowedtotheworldwas

howcholeracouldbeovercome.②TheexactplacesSnowmarkedonthemapwere

whereallthosewhodiedhadlived.③Snow’sfindingwas

thatthepumpwatercarriedcholeragerms.表语从句系动词表语从句系动词表语从句表语从句系动词2.Conjuctions连接词1.从属连词thatThefactisthathewaslying.Thereasonisthattheynevergiveup.Hissuggestionisthatweshouldtellhim.

Oneideaisthatfishisthebestbrainfood.that仅起_______作用，______(有/无)词义，______(是/不)充当句子成分，通常________(能/不能)省略。无不能不连接Conjuctions2.从属连词whetherThequestionisifwecanfinishourwork.Thequestioniswhetherthefilmisworthwatching.

Thedoctor’sdoubtiswhethershewillsurvive.

whether起_________作用，意为“_______”，在句中_________(是/不)作成分。(注意：if______(能/不能)引导表语从句)。连接是否不不能Conjuctions1.若与事实相符，就用陈述语气；2.若与客观事实不符，就用虚拟语气；

若跟现在事实不符：过去式（be动词用were）若跟过去事实不符：haddone若跟将来事实不符：would/could/might+动词原形2.①ItseemsasifI________(be)flyinginthesky.were2.②Hetalkedasifhe________

(go)abroad.2.③Hewantstoopenhismouthasifhe________(说)something1.Darkcloudsaregathering.Itlooksasifit’sgoingtorain.3.从属连词asif/thoughConjuctionshadgonewouldsay在从句中作主语、宾语、表语或定语；每个都有自己特定的意义，不能省略。WhatIwanttoknowis_______universityIshouldchoose.Theproblemwas_________coulddothework.Thequestionis___________weshouldtrust.Thequestionis_____causedtheaccident.Hehasbecome_______hewantedtobetenyearsago.I’dliketostartmyownbusiness--that’s_____I’lldoifIhadthemoney.Theimportantthingis_______nameshouldbeputonthetopofthelist.whatwhomwhowhichwhatwhatwhoseConjunctionalPronouns连接代词Conjuctions在从句中作状语，表示时间、地点、方式、原因等，不能省略。Thatis

hewasborn.Thisis

Sarawaslateforthemeeting.(Shemissedtheearlybus.)Thisis

theyovercomethedifficulties.Mystrongestmemoryis

IattendedanAmericanwedding.whenhowwherewhyConjuctionsConjunctionalAdverbs连接副词表语从句的引导词从属连词在从句中不作句子成分连接代词在从句中作主语、宾语、表语、定语连接副词在从句中作状语whenwherewhyhowwhat/whateverwhich/whicheverwho/whoeverwhom,whose...that,whetherasif/asthoughbecauseConjuctions1.Thisis________Iwant.2.MyEnglishislimited.Thisis_____IhatereadingEnglishbooks.3.Thevillageis_________Iusedtospendmyholiday4.Heismyfavoritesinger.Itis_________Ireallylovethewayhebehaves.5.Thetroubleis_____weareshortoffunds.6.Myproblemis________coatissuitableforme.7.WhatIwanttoknowis______willsupportme.8.Helooked______hewereill.9.

Pleaseputthemedicineonthetopoftheshelf.It’s_______ourchildrencan’treachit.10.Theproblemis________wecanfindtofinishthistask.11.Mysuggestionisthatwe____________(get)morestudentstotakepartintheactivitywhatwhywherebecausethatwhichwhoasifwherewho(should)getPractice3.Notice注意点*表示原因的句型：That’s/It’s/This’sbecause…（这是因为…）That’s/It’s/This’swhy…(这是为什么…)Thereasonwhy…isthat…(…的原因是…1.Hewassenttothehospital.That’s

hewasill.2.Hewasill.That’s

hewassenttothehospital.3.Thereason

hewassenttothehospitalis

hewasill.4.Whywedecidedtoputoffthefootballmatchis________theweatherwastoobad.whybecausewhythat当主句的主语是_____________或why引导的__________时常用______来引导表语从句，而不用because。thereason主语从句thatthat注意1：asif/asthough引导的表语从句如果是事实，就用陈述语气；如果与事实不符或可能性很小，就用虚拟语气。1.Itsoundsasifsomeone____________（knock）atthedoor.(与事实相符)2.Ourteachertreatshimasifhe________(be)herownchildren.

(对现在的虚拟，从句用一般过去时，be动词用were)3.Hetalksasifhe_________________(become)asuperhero.

(对将来的虚拟，从句用would/could/might+do4.HetalkedaboutRomeasifhe___________(be)there.(对过去的虚拟，从句用haddone)isknockingwerewouldbecomehadbeen注意2：表语从句的虚拟语气

一坚持（insist)

二命令（order,command)

四建议（advise,suggest,propose，recommend)

五要求（ask,require,request,demand,desire)

当主句的主语是表示建议、命令、要求等后面的表语，那么表语从句应该用虚拟语气，即谓语动词用“should+动词原形”，should可省略。

Hissuggestionisthatshe________________(keep)quiet.Myadviceisthatwe_______________(ride)tothepark.(should)keep(should)ride注意3：4.Practice1.（2023新高考

Ⅰ

卷）Thefactis______(that/which)weneedmoretimetoprepare.2.（2024新课标

Ⅰ

卷）Ifheseemsalittledefensive,itmightbe_______evensomeofhiscoworkersoccasionallylaughathisunusualmethods.3.（2024全国甲卷）Theonlyopportunityshecouldseizetostudywas_______herbrotherwashavingChineselessonswiththefamilytutor.4.（2023全国甲卷）Whatwediscoveredis_______it’sunwisetojudgewhatyoueatonlyitsappearance.5.（2021新高考

Ⅰ

卷）Theamazingthingaboutthespringis____thecolderthetemperaturegets,thehotterthespring.Exercise高考链接thatbecausewhenthatthatPracticeTheamazingthingaboutthespringis_______thecolderthetemperaturegets,thehotterthespring!(2021新高考全国卷,语法填空)Thegoodnewsis________it‘ssimpletolearnandcanbeworththeeffort.（2020全国卷，七选五）Thisis____________decoratingwithplants,fruitsandflowerscarriesspecialsignificance.(2020全国I，语法填空)Makingafull-lengthclay(黏土)figurewouldnotexhaustmystrength-andthatis__________Iintendtodo!(2020天津，阅读理解B)thatthatwhywhatPracticeCompletethefollowingideasbyfamousscientistswithawordorexpressionthatintroducesapredicativeclauseandtranslatetheminyourownwords.Researchis_________I’mdoingwhenIdon’tknowwhatI’mdoing.(WernervonBraun)what

asthoughbecausethatwhatwhoeverwhy研究就是当我不知道自己在做什么的时候我在做的事。

——布劳恩（徳裔美籍火箭科学家）ExerciseP622.Thesaddestaspectofliferightnowis_______sciencegathersknowledgefasterthansocietygatherswisdom.(IsaacAsimov)that

asthoughbecausethatwhatwhoeverwhy当下生活最可悲的一面就是科学积累知识的速度超过了社会积累智慧的速度。——艾萨克·阿西莫夫

（美国科幻小说作家、化学家）3.Anexpertcanbe_________hasmadeallthemistakesthatcanbemadeinaverynarrowfield.(NilesBohr)whoever

asthoughbecausethatwhatwhoeverwhy专家可能是在一个非常狭窄的领域里犯了所有可能犯的错误的人。——尼耳斯·玻尔（丹麦物理学家）4.Whendifferentexperimentsgiveyouthesameresult,itisnolongersubjecttoyouropinion.That’sthegoodthingaboutscience:Itistruewhetherornotyoubelieveinit.That’s_________itworks.(NeildeGrasseTyson)why

asthoughbecausethatwhatwhoeverwhy当不同的实验呈现出相同的结果时，它就不再受制于你的意见。这就是科学的好处:不管你信不信它都是真的。这就是科学工作的原理。

——奈尔·德葛拉司·泰森（美国天文学家）5.Thisappliedscience,whichsavesworkandmakeslifeeasier,bringsuslittlehappiness.Thatis_________wehavenotyetlearnttomakesensibleuseofit!(AlbertEinstein)because

asthoughbecausethatwhatwhoeverwhy这种节约工作量，使生活更容易的应用科学，给我们带来的快乐很少。那是因为我们还没有学会合理地利用它!

——爱因斯坦6.Thereareonlytwowaystoliveyourlife.Oneis____________nothingisamiracle.Theotheris____________everythingisamiracle.(AlbertEinstein)asthoughasthough

asthoughbecausethatwhatwhoeverwhy你的生活只有两种方式。一种是好像什么都不是奇迹。另一种是好像一切都是奇迹。

——爱因斯坦TheUnitedNationsEducational,ScientificandCulturalOrganization(UNESCO)inscribed（登记，注册）

SpringFestivalontheRepresentativeListoftheIntangible（无形的）

CulturalHeritageofHumanityonDecember4,2024.1.______asignaturepartofChineseculture,theSpringFestival,alsocalledChineseNewYear,isoneofthe2._______________(important)festivalspracticedinChinaandaroundtheworld.UNESCOhighlightedthattheSpringFestival,3.___________(mark)thestartofthetraditionalChineseLunarNewYear,involvesvarioussocialpractices,includingprayersforgoodfortuneandfamilyreunions.Italsofeatures4.____________(activity)pl