Unit 1 Grammar 表语从句讲义-高中英语人教版选择性必修第二册

高中英语人教版选择性必修第二册表语从句unit1Grammar ThePred icat iveCIause

一、表语从句的定义表语从句就是用一个句子作为表语，放在连系动词之后，充当复合句中的表语，用来说明主语是什么或者怎么样.主语连系The problemis puzzling动词形容词作表语The probI emi swhen wecan geta payr i se.主语连系动词一个句子作表语一表语从句

二、表语从句的构成系动词+引导词+简单句What I want tosay is that Iam tired.

三、表语从句的用法.可按表语从句的连系动词有.最常用连系动词一般在句子中译成“日”1beam;is/was;are/were7E...0China isno longerwhat sheused to be..表变化的系动词:2get;turn;go;fall;become;grow;come;run用法注意在英语中，系动词一般只有一般现在时和一般过去时两种时态变化形式，没有其他时态变化形式但表变化的这类系动词除外，它们有各种时态变化It isbecoming colderand colder.The foodhas gonebad.此处还需注意的是和后接表职业的名词时冠词的有无become turnTwo years later,he becamea teacher.但Twoyearslater,he turnedteacher.另外，表变化时一般指事情向消极、不好的方面转化go.所谓“感官动词般它们在句子中译成:3”:look;sound;ta ste;smell;fbeL匕起来；・・・••上去”此类系动词为高考高频词食物尝起来很香The foodtasted good.He lookedsadly atthe picture./She lookedsad afterhearing thenews.Tom tastedthe foodand ittasted good..表状态的系动词一般在句子中译成“依然是保4keep;stay;remain;持“She remainsIoyaI toher fatherdespite hi s crueltytowards her.What alovely daytoday!I lovefine weatherand Ihope itwill stayfine forsome days.Much remainsto bedone..表像系动词一般在句子中译成，看起来像”、“似乎5seem;appear“、”好像这两个动词有一个共同的特点，即如果要表达时态的变化，需要后接不定式来完成He seemedto havecaught cold.It appearsto methat hewants toteach usall hehas.When Fathercame in,Tom seemedto beeating something.另外此处一句型转换也要牢记It seemedthat hehad caughtcold.When Fathercame in,it seemedthat Tomwas eatingsomething..终止系动词一般在句子中译成“证实、证明、吉果6prove;turn outo2为…”He provedto beright./The experimentturned outsuccessful.引导表语从句的关联词的种类

1.）附属连词在表语从句中不充当任何句子成分，也没有任何意义1that,thatThe troubleis thatI havelost hisaddress.）附属连词引导的表语从句，有自己的含义，但2whether,as,as if/as though在从句中并不充当语法成分The questioni swhether theywi I I beabIe tohe Ipus.It Iookedas if itwas goi ng tora in.附属连词一般不用来引导表语从句，但却可引导表语从句.iEif as ifAl Ithis wasover twentyyea i s ago,b irt if sasif itwas onIy yesterday.）引导的表语从句，有自己的含义，但在从句中并不充当语3because,why法成分Thats why he didntunderstand me.I thinkit isbecause you are doing too much.注意与之间的不同在于“That/It isbecause...”That/It is why...”“That/It is”指原因或理由;那么指由于各种原因所造成的后because...That/It iswhy...”果OHe did not seethe filmlast night.That isbecause hehad tohelp hislittle sisterwithher homework.He hadseen thefilm before.That iswhy hedidnotsee itlast night.）连才妾代词连才妾副词4who,whom,whose,what,which;where,when,how,它们分why（作宣讲）The problemi swho/whom wccan getto repI aceher.（作宾唐）That waswha Ishe did thi smorn ing onreachi ngthe aIIic.（作方式状讲）The questionishow Ican persuadeher tojo in usinthe party.）作定*）5使用虚拟The questioniswh ich bookis（he mostsuitable forus students.（在表示建议、劝告、命令等含义的名词后的表语从句，谓语动语气的表语从句词需用动词原形”表示，可省略常见的词有“should+should advice,等suggestion,order,proposal,plan,idea（）My suggestionis that we shouldstart earlytomorrow..注意:2）表语从句一定要用陈述语序1False:The questionis whencan hearrive atthe hotel.Right:The questionis whenhe canarrive atthe hotel.）在有表语从句的复合句中，主句时态和从句时态可以不一致2Right:The questionis whowill travelwith meto Beijingtomorrow.Right:The questioniswhy he criedyesterday.在表语从句中一般在书面语中不可以省，但在口语中可以省略3thatThe ideaisthatwe shallgo topicnic this week.与“同义，不过从语法结构上讲,4uThat iswhy...That is the reason why...“That中引导的是—定语从句,将其中的去掉那isthe reasonwhy...why1^the reason么与结构一样That iswhy...”That isthe reasonwhy Icannot agree.当主语为时，表语从句的引导词只能用

5.Thereasonwhy...that...Right:Thereason whyhe waslate was that he was caughtin theheavy rain.Wrong:The reasonwhyhe isabsent isbecause heis ill.四.巩固练习Go andget yourcoat If syou Ieft it.A.therewhereB.there wherewheretheredrove toZhuhai forthe airshow lastweek.-Is thatyou hada fewdays offA.whywhenB.whatwhere

3.You aresaying thateveryone shouldbe equal,and thisis Idisagreed.A.whywhereB.whatD.how

4.The reasonfor hergreat successis sheis bothclever andhardworking.A.becausewhyB.whichD.that

5.His suggestionwasthatwe anothermeeting todiscuss theproblem.A.must holdshouldholdB.could holdheld

6.The lasttime wehad greatfun waswe werevisiting theWaterPark.A.wherehowC-whenD.why

7.One advantageof playingthe guitaris itcan giveyouagreat dealofpleasure.A.howwhyB.thatwhen

8.The problemis hehas enoughtime.

1.ifwhetherc./D.that

8.He didntcome tothe meetmg.That washe hadntbeen mvited.A.whybecauseC.thereasonwhyD./lO.The questioniswewill haveour sportsmeet nextweek.A.thatB.ifC•whenD.whether

11.The reasonwhyhefailed is hewastoo careless.A.becausethatB.forbecause of

12.Is thiswe meteach othertwo yearsago.A.wherethatC-becauseD.whether

13.The problemis totake the place ofTed whocan wegetA.what wecan getC.who wecan getD.thatwecan getWhatIwantto knowishe likes thegift givenby us.A.thatB.if不填C.whetherD

14.The reasonisl missedthe bus.A.thatwhenB.whywhat

15.That iswe werelate lasttime.A.thatwhenB.whywhat

16.She lookedshe wereten yearsyounger.A.thatlikeC-asD.as though

18.—I fellsick!-I thinkit isyou aredoingtoomuch.A.whywhenB.whatD-because

19.The reasonwhyhehasnt comeis.A.because hismother isillbecause ofhismothers beingillC.that hismother isillfor hismother isill

20.---He wasborn here.---That ishelikestheplaceso much.A.thatwhatB.whyD.how

21.That isLu Xunonce lived.A.whatwhereB.thatwhy

22.The troubleiswe areshort oftools.A.whatthatC.howwhy that

23.America waswas firstcallednIndiaAby Columbus.A.whatwhereB.the placetherewhere

24.China isbecoming strongerand stronger.It isno longer.A.what itused tobewhat itwas used to beingC.what itusedtobeingD.what itwas usedtobe

25.The energyis makesthe cellsable todo theirwork.A.thatwhichB.whatD.suchKeys:1-5:BABDB6-10:CCBBD11-15:B ACCA16-20:CDDCC21-25:BB AAC。