《表语从句》PPT课件.ppt
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1、The Predicative Clause 表 语 从 句,1、表语从句的定义:,表语从句放在连系动词之后,充当复合句中的表语。The question is who will do it.,系动词,表语从句,2.表语从句的构成,主语+系动词+引导词+简单句,This is why he did it.,表语从句放在系动词之后,充当复合句中的表语。,What I want to say is that I am tired,语序:有疑问词/引导词+陈述语序,Thats what he wants.那是他想要的。,This is where they once lived.这就是他们曾经住过的
2、地方。,3.接表语从句的系动词:1:be(being,been,am,is,are,was,were)2:feel,seem,look,appear,sound,taste,smell 3:stand,lie,remain,keep,stay4:become,get,grow,turn,go,come,run,fall5:prove,turn out,4.接表语从句的引导词连接词:that/whether/as if/as though(if不引导表语从句)连接代词:who(ever)/whom/whose/which(ever)/what(ever)连接副词:when/where/why/h
3、ow/because,5.引导词的用法(一),that在表语从句中,又。,既不充当成分没有意义,不能省略,The fact is that he hasnt yet recover from illness.The reason why he has to go is that his mother is ill in bed.,1.名词主语+be+that引起的表语从句,主语名词常常是表示事实,真理的名词,如:fact,truth 表示看法,观点、问题、麻烦的名词,如:idea,opinion,belief,view,news,advice,feeling,suggestion,plan,t
4、rouble,question,problem,1.The fact is that our team has won the game.2.The truth is that she was the very person we are looking for.,注意,(2)表示“建议,劝说,命令”的名词idea,suggestion,request,proposal 等后面的表语从句中,谓语动词用“(should)+动词原形”,should可省略My opinion is that its getting better and better.My suggesstion is that w
5、e(should)start early tomorrow.,whether在表语从句中表,但不充当句子的成分。if 引导表语从句.如:What the doctor really doubts is whether my mother will recover from the serious disease soon.The question is whether it is worth doing.,“是否”,不能,5.引导词的用法(二),what 在表语从句中充当_ 表示_.1.The question is what caused the accident.2.That mounta
6、in is no longer what it used to be.3.What he told you was what had been discussed at the meeting.,主语、宾语或表语,什么,什么样子,或所的(人或事),5.引导词的用法(三),who 在表语从句中充当_表示_.The problem is who could do the work2.My trouble is who(whom)I can turn to.,主语、宾语或表语,谁,5.引导词的用法(四),which 在引导表语从句时,常充当_ 表示。如:I read about it in some
7、 book or another,but what I dont know is which(book)it is.,定语,表语,其中哪一个,5.引导词的用法(五),where,when,why,how引导的表语从句 连接副词where,when,why,how除在句中起连接作用外,在从句中还充当时间、地点、方式、原因状语,本身具有词义。e.g.Thats where I cant agree with you.This is why Sara was late for the meeting.This is how they overcome the difficulties.My stro
8、ngest memory is when I attended an American wedding.,5.引导词的用法(六),as if,as though 引导的表语从句 as if/though引导的表语从句常置于连系动词look,seem,sound,be,become等后面,常用虚拟语气,表示不存在的动作或状态。e.g.It sounds as if/though somebody was knocking at the door.,主语+连系动词(look/seem/appear)+that/as if从句,5.引导词的用法(七),注意:as if/as though引导的表语从
9、句如果是事实,就用陈述语气,如果与事实不符,就用虚拟语气:主句用do,从句用did(be的话变成were)。主句用did,从句用had p.p)。It looks as if he were her own father.(与事实不符)Dark clouds are gathering.It looks as if it is going to rain.,because,why 引导的表语从句,例句:,(1)Thats because he didnt understand me.,那是因为他不理解我。,(强调原因),(2)Thats why he got angry with me.,那正
10、是他对我生气的原因。,(强调结果),5.引导词的用法(八),(Thats because强调原因),(Thats why强调结果),Thats because he didnt understand me.,1.那是因为他没有理解我。,2.那正是他对我生气的原因。,Thats why he got angry with me.,that,why与because引导表语从句表示原因的区别:1.that没有词义,why强调结果“为什么”,because强调原因“因为”,The reason was that you dont trust her.原因是你不信任她。The fact is that
11、they are angry with each other.事实是他们生彼此的气。He was ill.Thats why he was sent to the hospital.他病了,所以被送到医院来。He was sent to the hospital.Thats because he was ill.他被送到医院,是因为他生病了。,She was late this morning.That was because she missed the early bus.My anger is because you havent written to me for a long tim
12、e.,2.because引导表语从句通常只用于“This/That/It is because”结构中。,填空:The reason why we didnt trust him is _ he has often lied,The reason is that+原因The reason+(why/for)is/was that.,that,3.reason 做主语时,表语从句只能用that引导,不能用why 引导。句型结构为:,B,主句主语为reason,只能用that引导表语从句,不能用because.,例题:The reason why he failed is _he was too
13、careless.A.because B.that C.for D.because of,用because,that,why填空,Eg.The reason was _ the heavy rain prevented him from coming.The reason _we didnt trust him is that he has often lied.It is _ he has often lied,so that we didnt trust him.,because,why,that,例题1:The question is _ we will have our sports
14、meet next week.A.that B.if C.when D.whether,D,注意点1:if 不能引导表语从句,如果从句是特殊疑问句,用陈述句语序,2.The problem is _to take the place of John.A.who can we get B.what we can getC.who we can get D.that we can get,C,注意:,表语从句中的 that 不能省略表语从句中只能用 whether 不能用 if表语从句中,从句用陈述句语序,高考链接,1.-Are you still thinking about yesterday
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