2022年高中英语语法：四种名词性从句讲解与练习 .pdf

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1、学习好资料欢迎下载名词性从句名词性从句相当于名词， 可分别作主句的主语、 表语、宾语和同位语。 因此，名词性从句可分为主语从句、表语从句、宾语从句和同位从句。引导词 ：主语从句就是在复合句中用作主语的从句，引导主语从句的引导词主要有三类：一是 that；二是 whether； 三是那些可以用作疑问词的词语，如 what, who, which, when, where, how, why等（一）引导名词性从句的连接词1、连接代词： who, whose, whom, what, which。有词义，在从句中担任成分，如主语、表语、宾语、或定语等。2、连接副词： when, where, why

2、, how 。有词义，在从句中担任成分，作状语。3、连接词： that, whether, if, as if。that 无词义，在从句中不担任成分，有时可省略； if (whether), as if 虽有词义，但在从句中不担任成分。注意：连接代词与连接副词在句中不再是疑问句，因而从句中谓语不用疑问式。连接代词与连接副词在从句充当句子成分，连接词whether 和 if （是否） ，as if（好象）在从句中不充当句子成分，只起连接作用。根据句义，如果连接代词与连接副词， whether、if 和 as if 都用不上时，才用that 作连接词（ that 本身无任何含义）。一、主语从句与宾

3、词从句连词、语序、时态相同。只是不能用if, that 不可省；（一） 、主语从句是一个句子，在句子中作主语成分。（二） ，主语从句的特点1.与宾语从句使用同样的连接词，只是if 不能用；1） 、陈述句用 that。2） 、一般疑问句用 whether。3） 、 特殊疑问句用特殊疑问词what, which, who,when, where, why, how 等词引导 。2.经常隐身（以 it 为形式主语出现）。例句：1.Its true that the earth is round. That the earth is round is true. 2. 表是否的意思时，不能用if 代替

4、 whether. It hasnt been decided whether hell come or not. Whether hell come or not hasnt been decided. 3. 从句语序为主谓宾正常语序。Why didnt he come? Why he didnt come is not known. 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 1 页，共 6 页 - - - - - - - - - 学习好资料欢迎下载练习：1._ makes

5、mistakes must correct them. A. What B. That C. Whoever D. Whatever 2. It worried her a bit _ her hair was turning gray. A. while B. that C. if D. for 3.When and why he came here _ yet. A. is not known B. are not known C. has not known D. have not known 4. _ Tom liked to eat was different from _. A.

6、That that you had expected B. What that you had expectedC. That what you had expected D. What what you had expected5._ we go swimming every day _ us a lot of good. A. If.do B. That.do C. If.does D. That.does 6.It _ Bob drives badly. A. thinks that B. is thought what C. thought that D. is thought tha

7、t 7.Its uncertain _ the experiment is worth doing. A. if B. that C. whether D. how 8._ the boy didnt take medicine made his mother angry. A. That B. What C. How D. Which 9._ you dont like him is none of my business. A. What B. Who C. That D. Whether 10._ well go camping tomorrow depends on the weath

8、er. A. If B. Whether C. That D. Where 11._he wont go there is clear to all of us. A. How B. What C. Why D. This 12._you come or not is up to you. A. What B. If C. Why D. Whether 13._team will win the match is a matter of public concern. A. Which B. That C. If D. How 14._leaves the room last ought to

9、 turn off the lights. A. Anyone B. The person C. Whoever D. Who 二、同位语从句（一）、含义1、在主从复合句中作同位语的从句称为同位语从句；所用连词与宾语从句（除不能用 if）和主语从句相同2、连词1） 、陈述句用 that。名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 2 页，共 6 页 - - - - - - - - - 学习好资料欢迎下载2） 、一般疑问句用 whether。3） 、 特殊疑问句用特殊疑问词what

10、, which, who,when, where, why, how 等词引导 。3、常放在 fact, news, idea, truth, hope, problem, order, information, wish, promise, answer, evidence, report, explanation, suggestion, conclusion,等抽象名词后面， 说明该名词的具体内容。换言之，同位语从句和所修饰的名词在内容上为同一关系，对其内容作进一步说明。例：The news that they had won the game soon spread over the

11、whole school.他们比赛获胜的消息很快传遍了整个学校。析： they had won the game 说明 The news的全部内容，因此该句为同位语从句。（二） 、运用1.如同位语从句意义完整，用that 引导同位语从句。（that 不充当任何成分，只起连接作用）例：The general gave the order that the soldiers should cross the river at once.将军下达了战士们立即过河的命令。析：the soldiers should cross the river at once 是 the order的全部内容，且意义

12、完整，因此应用 that 引导同位语从句。2.如一般疑问句 whether做同位语从句的连词，译成是否（if 不能引导同位语从句） 。例：Well discuss the problem whether the sports meeting will be held on time. 我们将讨论运动会是否会如期举行的问题。析：the sports meeting will be held on time一般疑问句做同位语从句，原句为：Will the sports meeting be held on time?3.如同位语是特殊疑问句做同位语从句，连词就应用when, where, how等

13、疑问词引导例 1：I have no idea when he will be back. 例 2：I have no impression how he went home, perhaps by bike. 4.当主句的谓语较短，而同位语从句较长时，同位语从句常后置。如：The thought came to him that maybe the enemy had fled the city. 他突然想到敌人可能已经逃出城了。（三）、同位语从句和定语从句的区别: 同位语从句和定语从句相似， 都放在某一名词或代词后面， 但同位语从句不同于定语从句。 同位语从句对名词加以补充说明，是名词全部

14、内容的体现， 且名词和同位语从句的引导词均不在从句中作成分；定语从句说明先行词的性质与特征，与先行词是修饰与被修饰的关系，且名词和定语从句的引导词均在从句中作成分。区分时可以在先行词与与从句之间加一个系动词be,使之构成一个新句子，如果句子通顺且符合逻辑，则为同位语从句，反之，则为定语从句。如：The report that he was going to resign was false. 他将辞职的传闻是假的。名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 3 页，共 6 页 -

15、 - - - - - - - - 学习好资料欢迎下载因为 the report was that he was going to resign 句意通顺，所以， that he was going to resign 是同位语从句。例 1. Information has been put forward _ more middle school graduates will be admitted into universities.(NMET2001 上海) A.while B.that C.when D.as 2. It is said that more middle school g

16、raduates will be admitted into universities ，this is the information _ has been put forward. A.what B.that C.when D.as 3. She heard a terrible noise,_ brought her heart into her mouth.(MET91) A.it B.which C.this D.that 练习：1.The fact _ she works hard is well known to us all. A.that B.what C.why D.whi

17、ch 2.The news _ he was kidnapped surprised us greatly. A.what B.that C.why D.when 3.I have no idea _ he will start. A.when B.that C.what D./ 4.The thought _ he might fail in the exam worried him. A.when B.which C.what D.that 5.The order _ the prisoner be set free arrived too late. A.which B.whether

18、C.that D.what 6.He often asked me the question _ the work was worth doing. A.whether B.where C.that D.when 三、表语从句1、定义用作表语的从句叫作表语从句，它位于主句中的连系动词之后。2、引导表语从句的词有从属连词（所用连词与宾语从句（除不能用if）和主语从句相同、同位语从句相同） ，不同之处还可用 because, as if ; as though 引导。1） 、陈述句用 that。2） 、一般疑问句用 whether。3） 、特殊疑问句用特殊疑问词what, which, who,w

19、hen, where, why, how, whose, whatever, whoever, whomever, whichever 等词引导 。3、That 引导表语从句时，在口语中，间或可以省略。The trouble is that we are short of money. 困难是我们资金短缺。That is why stone walls are used instead of fences around New England fields. 这就是为什么在新英格兰用石头墙而不用栅栏的原因。名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - -

20、 - - - - - - 名师精心整理 - - - - - - - 第 4 页，共 6 页 - - - - - - - - - 学习好资料欢迎下载At that time, it seemed as if I couldnt think of the right word anyhow. 当时,我似乎怎么也想不出一个恰当的字眼来。4、陈述句做表语从句连词that，that 在引导表语从句时无词义。一般疑问句用 whether 引导， whether有词义，意为、 “ 是否” 。这时主句的主语常常是些抽象名词， 如 question(问题)，trouble(麻烦)，problem(问题)，res

21、ult(结果)，chance( 可能性 )，suggestion( 建议)，idea(想法)，reason( 理由)等。表语从句对主句主语进行说明、解释，使主语的内容具体化。 The trouble is (that) she has lost his money. 麻烦的事是他丢了钱。The question is whether we need more ice cream.问题是我们是否还要一些冰淇淋。The problem was that it was too valuable for everyday use. 问题是它作为日常之用太贵重了。What she couldnt und

22、erstand was that fewer and fewer students showed interest in her lessons. 我们不能理解越来越少的学生对他的课不感兴趣。5、由疑问词引导的表语从句。who, what, which, whom, whose, whatever, whoever, whomever, whichever 等引导表语从句，在句中作主语、宾语、表语，疑问代词不能省略。The question is which of us should go. 问题是我们哪一个应该去。The problem was who could do the work.

23、问题是谁能做这项工作。Thats what he is worrying about. 那就是他在担心的事。Thats what we should do. 那是我们应该做的。Go and get your coat. Its where you left it. 去把雨衣拿来。就在你原来放的地方。I had neither a raincoat nor an umbrella. Thats why I got wet through. 我们既没伞也没雨衣，这是我们淋湿的原因。That is what he is worried about. 那就是他所担心的。6、由连词 because, a

24、s if/as though 等引导的表语从句。It looked as if it was going to snow.看起来好像要下雪了。Thats because we never thought of it. 这是因为我们从未想过此事。练习1. The question is _ we will have our sports meet next week. A. that B. if C. when D. whether 2. The reason why he failed is _he was too careless. A. because B. that C. for D.

25、because of 3The problem is _to take the place of manager. A. who can we get B. what we can get C. who we can get D. that we can get 4. What I want to know is _ he likes the gift given by us. A. that B. if C. whether D.不填5. That is _ we were late last time. 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - -

26、- - - - - - - 名师精心整理 - - - - - - - 第 5 页，共 6 页 - - - - - - - - - 学习好资料欢迎下载A. that B. when C. why D. what 6. She looked _ she were ten years younger. A. that B. like C. as D. as though 7.I fell sick! I think it is _ you are doing too much. A. why B. when C. what D. because 8. He was born here. That i

27、s _ he likes the place so much. A. that B. what C. why D. how 9.That is _ Lu Xun once lived. A. what B. where C. that D. why 综合练习请按以下内容要点写一篇有关Andy 的英语短文，尽可能多地使用名词性从句。1大家都知道Andy 是位有名的作家，但没有人知道她来自何处，而且她是否出生于 1961 年仍然是个谜。2大家对她了解的是穷人都喜欢她，因为她总是帮助那些急需钱的人。3Andy 很慷慨而且乐于助人，但有些人认为她想出名。4Andy 说她不明白为什么他们那么心胸狭窄，但别人怎么想对她无所谓，她只是想做自己认为正确的事。5我认为那就是生命意义之所在。名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 6 页，共 6 页 - - - - - - - - -