e.g.Thehopethathemayrecoverisnotgoneyet.Theproblem whetherweshouldcontinuetodotheexperimenthasbeensolved. Ihavenoideawhenhewillcomeback.同位语从句有时被别的词把它和名词隔开 :注意:ThestorygoesthatWilliamTellkilledthekingwithan arrow.Wordcamethattheirteamhadwon.⑵同位语从句的表现形式:①由tha t引导Thefactthatyouhaven’tenoughtimetodothewor kissimplyunbelievable.Thehopethathemaycomeher eisnotgoneyet.⑶有时可用namely(即),thatistosay(也就是说),ino therwords(换句话说),thatis(那就是),forexample等引出同位语,说明其前面的名词或代词 。有时同位语直接跟在名词或代词的后面。Hetoldusthegoodnews,namely,themuse umisopentoall.ThereisonlyonewayofimprovingyourEng lish,thatis,topracticemore.Grammarlearning1.我的梦想是我能 进入一所重点大学。MydreamisthatIcanenterakeyuniversity.2.我能进入一所 重点大学是我的梦想。ThatIcanenterakeyuniversityismydream.Ihave adreamthatIcanenterakeyuniversity.3.我有一个梦想我能进入一所重点大学4.我 总是梦想着我能进入一所重点大学。IalwaysdreamthatIcanenterakeyuniversity .What''syourdream?在复合句中起名词作用的从句叫名词性从句(NounClauses)。名词从句的 功能相当于名词词组,它在复合句中能担任主语、宾语、表语、同位语等,因此根据它在句中不同的语法功能,名词从句又可分为:主语从 句、宾语从句、表语从句和同位语从句。名词性从句辨别下列名词性从句的类别:1.Howthebookwillsell dependsonitsauthor.2.JohnsaidthathewasleavingforLond ononWednesday.3.Thefactisthathehasnotbeenseenrecentl y.4.HewilltalktousaboutwhathesawinU.S.5.Itisimpos siblethatIgoandattendthemeeting.主语从句宾语从句表语从句宾语从句主语从句 1.______thebabycouldspeakmadehisparentsveryhappy.A. ThatB.WhatC.WhyD.If2.Iwonder_ ___youwillgoshoppingorstayathome.A.thatB. whichC.whetherD.what3.Thisis_____hewasof tenlateforschool.A.whatB.thatC.why D.whetherPractice:主语从句宾语从句表语从句二、名词性从句连接词的用法连接词 可使用的名词性从句是否充当从句的句子成份可否省略可否用其他词代替thatwhether特殊疑问词what/wher e/when/which等以上连接词的共同作用是:主/宾/表语从句主/宾/表语从句主/宾/表语从句否否是否否 动词后的宾语从句可以省略否否动词后的宾语从句可用if代替连接主句和从句(连接作用)三、名词性从句连接词的选用(1)t hat和what的选用他说的话伤害了我.他说了谎,这伤害了我.1.Thathetoldaliehurtm e.2.Whathesaidhurtme.主句主语从句主句主语从句…hurtme.Whathesa id.(what代替said后面接的sth.)…hurtme.Hetoldalie.说明:连接词tha t的作用:____________________说明:连接词what的作用:____________________ 只是连接,不充当从句中的成分不仅连接,还充当从句中的宾语(1)that和what的选用that和what都可 引导所有的名词从句。但是,what除起连接作用外,还在名词性从句中___________,可做从句的主语、宾语、或表语。而t hat在名词性从句中______________________________。充当成分不充当任何成分,只起连接作用th at/what1.______hewantsisabook.2.______hewantstogo thereisobvious.3.Theresultis______wewonthegame.4.This is_____wewanttoknow.5.Weshouldpayattentionto______the teacherissaying.WhatThatthatwhatwhatif/whether1.I askedher__________shehadabike.2.We’reworriedabout_____ ___heissafe.3.________wewillholdapartyintheopenair tomorrowdependsontheweather.4.Thequestionis________ _heshoulddoit.5.Idon’tknow___________heiswellornot .6.Idon’tknow_______togo.if/whetherWhetherwhetherwhe therwhetherwhether(2)if和whether的选用Summary总结(不能使用if的情况): 1.if只能用在动词后的宾语从句,不能用在介词后的宾语从句2.if不能用在放句首的主语从句中3.if不能用在表语 从句中4.whetherornot连在一起引导宾语从句时不用if.5.whethertodo做动词宾语,不能 用iftodo.(3)其它连接代词和副词的连用主要根据名词性从句中的具体意义,正确的选择who、wh ich、when、where、why、how等连接词,这些连接词既具有疑问含义,又起连接作用,同时在从句中充当各种成分。我 们何时举行运动会还没有决定。________weshallholdoursportsmeetingisnot decided.我不知道昨天谁打破了玻璃。Idon’tknow_________broketheglassyes terday.我不知道他长的什么样子。Ihavenoidea_________helookslike.这就是我 忘记眼镜的地方。Thisis_________Ileftmyglasses.Whenwhowhatwher e(4)其它注意问题1.That的省略宾语从句中一般可省略,但引导多个从句时只可以省略第一个;主语从句和表语 从句不能省Whenyouleave,makesure(that)thedoorisclosedandtha tthelightsareturnedoff2.宾语从句中的否定转移在I/Wethink(believe,s uppose,guess,expect)等后面的从句中,否定转移到主句。Idon’tthinkheisright, ________Iishe?3.Reason后的表语从句Thereasonwhyhewassolate was________hemissedthebus.(because/that)that名词性从句在句中要用__ __语序,从句的引导词必须始终置于从句的______1.Noonecanbesure____inamillion years.whatwillmanlooklikeB.whatmanwilllooklikeC.man willlooklikewhatD.whatlookwillmanlike陈述总结归纳:2.Yo ucan’timagine____whentheyreceivedtheseniceChristmaspres ents.A.howtheywereexcitedB.howexcitedtheywereC.ho wexcitedweretheyD.theywerehowexcited句首考点1.语序问题2. Ourphysicsteacheroncetoldusthatlight__________(travel )fasterthansound.travels总结归纳:3)主句的动词用一般现在时,从句谓语可根据需要选用各种时态 1.Hesaidthathewillgotothestation..3.TomsaysthatMa ry____(go)abroadlastyearand_________(be)thereforne arly5months.1)主句的动词用过去时,从句谓语动词用过去的某种时态2)主句的动词用过去时,从 句表示客观事实,格言,谚语等,从句谓语动词用一般现在时wenthasbeen考点2.时态问题would何时开会还 没有决定。Whenthemeetingwillbegin_____(have)notbeendecided yet.他们何时出发和他们去哪里还没有决定。单个的主语从句作主语时,谓语动词一般用_____形式。如果是两个或两个以上的主语 从句作主语,谓语动词则用_____形式。由两个或多个连接词引导一个主语从句,谓语动词用_____形式。总结归纳:单数复 数hasWhentheywillstartandwheretheywillgo______(have)bee nstillunknown.何时何地开会还没有决定。Whenandwherethemeetingwillbeg in_____(have)notbeendecidedyet.havehas单数考点3主谓一致问题 1.Ithink_____worthwhilethatwespentsomuchmoneyonthese books.2._____ishardtodecidewhenandwherewewillheldo ursportsmeeting.itIt填写句子总结归纳:当主语从句较长,而谓语较短时,常常将从句______,而用 ____作为形式主语置于句首。______也可作形式宾语。后置itit考点4it作形式主语和形式宾语it作 形式主语的四个主要句型1)It+be+名词词组(nowonder,anhonor,agoodthing,ap ity,nosurprise,etc.)+that从句It’sapitythatwecan’tgo. 2)It+be+形容词(obvious,true,natural,possible, likely,certain,probable,etc.)+that从句Itiscertainthatshe willdowellinherexam.ItisreportedthatChinahassentanot herrescuegrouptoJapan.3)It+be+过去分词(said,reported,though t,expected.)+that从句4)It+不及物动词(seem,happen等)+that从句Itseem edthatAliceisnotcomingtothepartyatall. IthappenedthatIwasoutthatday.it作形式主语的四 个主要句型Wesuggestedthatthemeeting___________A.shouldputoff B.beputoffC.wasputoffD.puttingoff总结归纳:表示建议、要求、命令 ,坚持等动词suggest、advise、propose、demand、require、insist.request、comma nd、order后的从句谓语动词用__________________________注意suggest当表示 “暗示、表明“讲时,insist表示“坚持认为”之意时,从句按需要来选择时态(should)+do/bedoneTh esmileonhisfacesuggestedthathe______(was/be/is)satisfied withourwork.was考点5宾语从句及表语从句中的虚拟语气在一些表示“建议,劝说,命令”的名词suggest ion、advice、proposal、demand、requirement、request、command、order后的表语 从句中,谓语动词用虚拟语气。Mysuggestionisthatwe(should)startearlytomor row.考点5宾语从句及表语从句中的虚拟语气what表什么(无选择范围)which表选择,哪一个(有选择范围) 1.---Doyouknow______MissZhu’saddressis?---Shemayliv eatNo.3orNo.4ofXianxingroad.I’mnotsureof________ _.2.Ireadaboutitinsomebookorother,doesitmatter___ ____itwas?whatwhich总结归纳:No.3orNo.4somebookorothe rwhich考点6连接词a)what/which考点6连接词总结归纳:________等同类词既可以引导名词 性从句,也可以引导让步状语从句,而____________等只能引导让步状语从句。whateverNomatterw hat____________yougoand__________youdo,I’llberighther ewaitingforyou.whereverwhateverNomatterwherenomatterwh at离开房间的任何人应该把灯关掉。_________________________oughttoturnoffthe light.他所有的任何东西都被日本士兵占领了。_________________wasseizedbytheJap anesesoldiers.WhoeverleavestheroomlastWhateverhehadb)w hatever/whoever/无论,不管…however/whomever/whichever/…考点7同位语从句与定 语从句的区别同位语从句前的名词是一个具有抽象意味的名词。从句就是其内容。that在从句中_______成分。而定语从句就是对前先 行词进行修饰限定,关系词应代替先行词在从句中____句子成分。1.Thefacthasworriedmanyscie ntists______theearthisbecomingwarmerandwarmertheseyears .A.whatB.whichC.thatD.though2.Th esuggestion______heraisedatthemeetingisverygood.A. whichB.thatC.whatD./3.Thesuggestion_ ___thestudents(should)haveplentyofexerciseisverygood. A.whichB.thatC.whatD./总结:不充当充当做题顺 序:“二看”一看_____是否完整;二看_____确定答案。从句句意回顾名词性从句考点:1.语序问题6.连接 词that,what,which,whether,if,who,whom,whose,whatever,whi chever,whoever,whomever,whoseverwhen,where,why,how…5.it 作形式主语,形式宾语的用法2.时态问题7.同位语从句与定语从句区别4.名词性从句中的虚拟语气3.主谓一致问题 重点Grammar语法精解(一)1.同位语theAppositive同位语是句子成分的一种,它位于名词、代 词后面,说明它们的性质和情况,它可以由名词、代词、名词性短语或从句充当。同位语的表现形式有以下几种:(1)名词Tom,ourmonitor,isahandsomeboy.(2)代词Imyselfwilldotheexperiment.(3)数词Sheistheoldestamongthemsix.(4)从句Hetoldmethenewsthattheplanehadexploded.他告诉我飞机爆炸的消息。(5)由suchas,thatis引导Somesubjects,suchasmathsandphysics,areverydifficulttolearn.某些学科,例如数学和物理,是很难学的。(6)由of引导ThecityofBeijinghasbeengreatlychangedsince2000.自从2000年以来,北京市发生了很大的变化。 |
|