UNIT1SCIENCEANDSCIENTISTSLearningAboutLanguage(教学课件)高二英语（人教版2019选择性二）（完整版）

SCIENCEANDSCIENTISTSLearningAboutLanguageDiscoverytheUsefulStructures表语从句UNIT11.Thepersonstoodonplaygroundismyheadmaster.2.Idon’tknowthatitwasyouatthattime.3，Myluckynumberissix.4.Thedoorremainedclosed.5.Mary’sjobiscleaningthehouse.

名词作表语

代词作表语

过去分词作表语

现在分词作表语

数词作表语Readingthefollowingsentencesandunderlinethepredicatives.6.Thehouseisnotonlylargebutalsobeautiful.7，WhenIwenttoyourhouse,youwereout.8.Noonewasintheclassroom.9.MyjobistoteachyouEnhlish.

形容词作表语

副词作表语

介词短语作表语

不定式作表语predicative（表语）Summary结构系动词主语+系动词+表语predicative（表语）Summary作用成分说明主语的身份、性质、品性、特征或状态在简单句中，通常由名词、代词、数词、介词、形容词、副词、介词短语、过去分词、现在分词、不定式充当01Predicativeclause表语从句：在复合句中作表语成分的从句Thisishisjob.主+系+表Thisiswhathedoeseveryday.(1)that引导的表语从句that引导表语从句仅起连接作用，无意义，在句中不作任何成分，通常不能省略。这种从句往往对主句主语的内容起进一步解释的作用。Thefactisthatfishcan'tgowithoutwater.事实是鱼离开水不能存活。

1.Thetruthis

.2.AllIknowis

.3.Thepointis

.4.Thereasonwas

.

真相是保罗撒谎了。

我只知道她曾在银行工作过。关键是我们应该依靠自己。

原因是你不信任她。

thatPaultoldalie

thatsheonceworkedinabank

thatweshoulddependonourselves

thatyoudon’ttrusther②连接副词who(ever),whom(ever),,whose,what(ever),when(ever),where(ever),how(ever),which(ever),why除在句中起连接作用外，在从句中还充当时间、地点、方式或原因状语，本身具有词义。Theirdifficultyiswheretheycanraiseenoughmoney.他们的困难是他们到哪里能筹到足够的钱。Thatiswhytheywerelateforthemeeting.那就是他们会议迟到的原因。1.SomethingelseI’dliketoknowis

.2.Thedifficultyis

.3.Homeis

regardlessofwherewego..

whosehousewasbrokeninto

whichrouteweshouldchoose我还想知道的事情是谁家被强行闯入了。困难在于我们应该选择哪条路线。

whereverwearetogether不管我们去哪里，我们聚在一起的任何地方都是家。(3)whether引导的表语从句Thequestionremainswhethertheywillbeabletohelpus.[关键点拨]

if只能引导宾语从句，whether可引导宾语从句、表语从句、主语从句和同位语从句。1.Thequestionis

.2.Allshe’sworriedisaboutis

.问题是我们能否降低产品的成本。

她所担心的是他是否安然无恙。

whetherwecanreducethecostoftheproduct

whetherheisallright引导词在表语从句中充当的成分引导词备注主语宾语、表语定语状语不充当成分

无意义，且不能省有意义who,what,which,whoever,whatever,whicheverwhom,who,what,which,whoever,whatever,whicheverwhose,which,whatwhen,where,why,howthatwhether,because,asif,asthoughbecausewhyconclusion:That’swhy...意为__________________,强调_________,前_____后_____。That’sbecause...意为_______________,强调______,前_____后_____。那是…...的原因结果果因那是因为…...原因果因ObservethesentencesandsummarizethespecialsentencepatternsObservethesentencesandsummarizethespecialsentencepatternsThereasonwhyshewassadwas________shefailedtheexam.Shewassad.Thatwas___________shefailedtheexam.

thatbecauseconclusion:当表语从句描述原因,主句主语为reason时，连接词用_______。because引导表语从句通常只用于_______________________

结构中。总结句型为_________________________________________________________。This/That/ItisbecauseThereasonwhy...was/isthat...(5)表语从句中的虚拟语气在表语从句中，表示间接的命令、要求、请求、建议、决定等，主句中的主语通常是：advice,suggestion,proposal,request,order,idea等，从句谓语形式是“should＋动词原形”(should可以省略，但不可换成would)。Hisrequestisthattheyshouldstayhereforthenight.他请求他们应该在这儿逗留一晚。Mysuggestionisthatwe(should)leavethevillagerightnow.我的建议是我们立刻离开这个村子。1.Helooksasifhe

（know）thetruth.2,Shelookslikeshe

.

3.Mysuggstionisthatwe

（have）adiscussionaboutthismatter.

非真实条件句：他看起来好像知道了真相似的.

shehasalreadyputonweight

真实条件句：她看起来似乎已经发胖了。

(should)have

我的建议是我们应该讨论一下这件事。knew02Practicemakesperfectwhatitusedtobe注意：表语从句使用陈述语序。

usedtobe过去常常......句式仿写2.Hefailedtheexam.That’sbecausehedidn’treview.(That’sbecause...结构)句式仿写：他失败了，那是因为他没有努力工作。Hefailed.Thatis___________________________________.(That’sbecause)becausehedidn’tworkhard含有表语从句的复合句中，主句时态和从句时态可以不一致。句式仿写

thatwhy

where

what/whatever

whether6．Thereasonwhyhedidn'tsignupforthecourseis____________hehadnointerestinbodybuilding.7．Contraryto____________manypeoplemightassume,evidenceshowsthatsharksseldomattackhumans.8．Iamnotsure____________ornotheiswillingtohelpme.9．Whatmakestheschoolfamousis___________morethan90%ofthestudentshavebeenadmittedtouniversities.10．Shegaveup___________shewasdoing.

that

what

whether

whether

whatFilleachblankwithawordorexpressionthatintroducesapredicativeclause.howwhatwhatwhathowbecausethat/asifwhy短文填空[2018·北京卷]Thisis________myfatherhastaughtme—toalwaysfacedifficultiesandhopeforthebest.[2021天津卷]WhatpuzzlesLily’sfriendsis________shealwayshassomanycrazyideas.[2019·江苏]Thequestion,however,