2026届高考英语二轮复习：表语从句课件

PredicativeClause表语从句Sheisapoliceofficer.主系表Policeofficeriswhatshewantstobe.主系表表语从句定义：在复合句中，由一个句子充当表语，这个句子就是表语从句。定义什么是表语？Sheisanpolicerofficer.Therabbitiscute.（等同性描述）（形容性描述）表语是对主语的状态进行描述，说明主语的性质或特征。表语从句：系动词后的从句。That’s

whereIsleep.Theproblemis

howwecanfinishtheworkontime.That’swhatIwanttotellyou.Thetroubleiswhetherwecanholdthesportsmeetingtomorrow.那就是我睡觉的地方。问题是我们怎样才能按时完成工作。那就是我想告诉你的事情。问题是我们明天是否可以开运动会。请找出表语从句。Schooliswherewelearnknowledge.Iwonderwhyhedidn’tcomeyesterday.Thatyoulikeitmatterstome.That’swhereIcomefrom.Friendsarepeoplewhocansharehappinessandsorrowwith.(表语从句)(表语从句)主+系+表系动词起到连接主语和表语的作用。系动词后面的从句是表语从句，那常见的系动词有哪些呢？主语表语常见的系动词状态系动词感官系动词表像系动词变化系动词持续系动词终止系动词系动词表主语状态表人的感官动作表看起来像表主语的变化表主语继续做或保持某一状态表终止、停止am,is,are,was,werelook,feel,sound,taste,smellseem,appearbecome,get,grow,go,turnkeep,remain,stay,standprove,turnout连接词从属连词连接代词连接副词thatwhetherasif/thoughbecausewhowhomwhatwhichwhosewhenwherewhyhowwhateverwhoeverwhichever...thatTheproblemis

thatyou’redrivingfast.Thefactis

thathehadforgottenaboutit.Thedoctor’ssuggestionisthatheshouldhavemorerest.问题是你开车的速度太快了。事实是他已经忘记了这件事。医生的建议是他应该多休息。that无词义，不充当成分，仅起连接作用，不能省。whetherTheproblemis

whetherhecancontrolhisappetite.问题是他是否能控制自己的食欲。Mydoubtis

whethertheplaceisworthvisiting.我的疑问是这个地方是否值得参观。whether意为“是否”，不充当成分，if不能引导表语从句。关系代词：who,whom,whose,which,what,whoever,whatever,whichever...Youarenolongerwhatyouusedtobe.（表语）你不再是以前那个你。Theproblemis

whoisgoingtoreplaceher.（主语）问题是谁来代替她。WhatIwanttoknowis

whosebagitis.(定语)我想知道这是谁的包。关系代词充当主语，宾语，表语，定语等成分，本身有词义。疑问副词：where,why,how,whenThat’s

whyhewaslate.(原因状语)那就是他迟到的原因。Theproblemis

howwecanfindhim.(方式状语)

问题是我们怎样才能找到他。Thisis

whereIwasborn.(地点状语)

这就是我出生的地方。关系副词在句子中充当状语，有词义。Exercise用适当的关系词填空。1.Thisis_______Iwant.2.NextSundayis________weshallmeet.3.Thisis________Ididn’tcome.4.Myproblemis_______walletitbelongsto.5.Chinaisnolonger________itusedtobe.6.Thequestionis_______wecanlive.7.Theproblemis________hedidit.whatwhenwhywhosewhatwherehowasif/though似乎；好像Itlooks

asifitisgoingtorain.看起来好像要下雨了。Itsounds

asthoughsomeoneisknockingatthedoor.听起来好像有人在敲门。asif/though意为“好像，似乎”，不充当成分，常用在感官动词sound，look等后面。because因为---Shelooksveryfriendly.---That’s

becauseshepretendedtobe.她看起来很友好。那是因为她假装的。because引导的表语从句常用句型：Itis(was)because...Thisis(was)because...Thatis(was)because...特殊句式Thereasonwhy...isthat...“...的原因是因为...”(主语是reason时只能用that引导)Thereasonwhyshewasangryisthathemadefunofher.Thereasonwhyshewasangryisbecausehemadefunofher.她生气的原因是因为他取笑她。特殊句式It/This/Thatisbecause+原因It/This/Thatiswhy+结果I’mfat.ItisbecauseIeattoomuchjunkfood.(胖的原因)这是因为我吃了太多垃圾食品。ThatiswhyIamfat.(胖是最终的结果)那就是为什么我很胖。特别注意的事项01.表语从句里的虚拟语气02.表语从句用陈述语序03.asif/though引导的表语从句表语从句的虚拟语气Mysuggestionis

thatwe(should)tellthetruth.我的建议是我们应该说出真相。Thedoctor’sadviceis

thathe(should)giveupsmoking.医生的建议是他应该戒烟。如果主语是表示建议、命令、要求等，表语从句要用“（should）+do”的虚拟语气。request要求，requirement要求，suggestion建议，advice建议，proposal建议，order命令...Theproblemiswhenwecanarrive.Theproblemiswhencanwearrive.That’swhywashelate.That’swhyhewaslate.表语从句用陈述语序asif/though引导的表语从句Itlooksasifitisgoingtorain.Shelooksasifshewereeighteen.看起来好像要下雨了。她看起来好像十八岁。（真实的，很有可能发生的）（假设的，不可能发生，虚拟）asif引导的表语从句如果是虚拟的，则要用虚拟语气。asif引导的表语从句如果是虚拟的，则要用虚拟语气。Itlooksasifsheknewit.Momappearedasifshehadknownnothingaboutit.Itseemsasifhewoulddoit.她看起来好像懂似的。（其实不懂）妈妈看起来好像她对此一无所知。（其实知道，假装不知道）看起来他好像会做似的。（其实他不会去做）Exercise1.Thequestionis______wewillhaveoursportsmeetingnextweek.A.thatB.ifC.whenD.whether2.Thereasonwhyhefailedis_______hewascareless.A.becauseB.thatC.forD.becauseof3.Goandgetyourcoat.It's______youleftit.A.whereB.thereC.therewhereD.wherethere4.Theproblemis_______totaketheplaceofTedA.whocanwegetB.whatcanwegetC.whowecangetD.whatwecanget5.WhatIwanttoknowis_________helikesthegiftgivenbyus.A.thatB.ifC.whetherD./DBACC6.Thereasonis_________Imissedthebus.A.thatB.whenC.whyD.what7.Thatis________wewerelatelasttime.A.thatB.whenC.whyD.what8.Shelooked_________sheweretenyearsyounger.A.thatB.likeC.asD.asif9.Thereasonwhyhehasn’tcomeis______________A.becausehismotherisill