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名词性从句习题及讲解


第八章

名词性从句

在主从复合句中, 从句可以充当主句的主语、 表语、 宾语或同位语。 由于在多数情况下, 主语、表语、宾语或同位语这四种句子成分由名词性词类充当,所以,我们把这些作用相当 于名词的从句统称为名词性从句,把充当主语、表语、宾语或同位语的从句分别称为主语从 句、表语从句、宾语从句或同位语从句。也就是说充当什么成分就叫什么从

句。名词性从句 由连接词(或关联词)引导。常用的连接词有: 连接词 whether 是否 that (本身无词义) who, whom, whose which 哪一个 what 什么,所…的 when 什么时候,where 什么地方 how 怎样、怎么,why 为什么 作用 只起连接词作用,引导从句,在从句中不作 任何成分 在从句中分别作主语、宾语和定语 在从句中分别作主语、宾语和定语 在从句中分别作主语、宾语和定语 除了起连接词作用外,还在从句中作状语

疑问词(who, whom, whose, what, which, where, why, when, how)可以引导主语、宾语 和表语从句。它们的特点是:1、疑问词有本身的词义;2、疑问词在从句中担当句子成分, 如主语、宾语或状语;3、这种疑问词引导的从句一律用陈述语序,不能用疑问语序。 For example: Do you know whom they are looking for? 你知道他们在找谁吗?(宾语从句,陈述语序。 不能是 whom are they looking for?) I don’t know who did it.我不知道这是谁干的。 (宾语从句。在从句中如果疑问词作主语, 其陈述语序和疑问语序一致。 ) She asked me where I had been.她问我到哪儿去了。 (宾语从句。陈述语序,不能是 where had I been. 直接引语,间接引语。注意这句话的时态。 ) Can you tell me when the train will arrive? 你能告诉我火车什么时候到吗?(宾语从句。 陈 述语序,不能是 when will the train arrive. 直接引语,间接引语。) I don’t know why he hasn’t come yet. 我不知道他为什么还没来。 (宾语从句,陈述语序。 不能是 why hasn’t he come yet.) He didn’t tell me what you were doing. 他没和我说你在干什么。 (宾语从句,陈述语序。 不能是 what were you doing.) What you have done might do harm t other people. 你所做过的事情有可能伤害别人。 (主 语从句。what 作从句的宾语。陈述语序,不能是 what have you done. 如果用疑问语序,意 思发生了变化,成了“你做了什么?” 。 ) I don’t know where he is now. 我不知道他现在在哪里。 (宾语从句,陈述语序。不能是 where is he now.) Where he went for his weekend is not known. 不知道他去哪里过的周末。 (主语从句, where 作从句的地点状语。陈述语序,不能是 where did he go for his weekend.) Whose fault this is is not important. 这是谁的过错并不重要。 (主语从句,whose 作从句 的定语。陈述语序,不能是 whose fault is this.) What I want to know is where he has gone for his weekend. 我想知道的是他到哪里度周末 去了。 (这句话包含两个名词性从句:what I want to know 是主语从句,what 在从句中作宾 语,从句用陈述语序,不能是 What do I want to know. Where he has gone for his weekend 是 表语从句,where 在从句中作状语,从句用陈述语序,不能是 where has he gone for his

weekend.) 下面我们再分别讲述主语从句、宾语从句、同位语从句和表语从句。

一、

主语从句

1.that 引导主语从句时,that 没有意义,但不能省略。 (that 引导宾语从句时可以省略。 ) For example: It worried her a bit that her hair was turning gray.她的头发正在变白,这使她很不安。that 引导主语从句,it 作形式主语,that 不能省略。 That she is a rich woman is known to us all. 众所周知, 她是个富有的女人。 这是 that 引导 主语从句,that 不能省略。这句话可以改为用 it 作形式主语的句型。请同学们改写:It is known to us all that she is a rich woman.) We didn’t know (that) you had sold your house. 我们不知道你已经把你的房子卖了。这是 that 引导宾语从句,that 可以省略。注意这句话的时态。 2.从句作主语时,多数情况下由 it 作形式主语,而把主语从句放在后面,尤其是谓语部 分(包括宾语)较短的情况下。 For example: It wasn’t very clear what she meant. 不清楚她是什么意思。 It is important that he should come on time. 他按时来是很重要的。 It is true that that man on the left is a well-known writer here. 左边那个人是本地的一位著 名作家,这是真的。这里,第一个 that 引导主语从句,是单纯的连词,无词义,不作句 子成分。第二个 that 是指示代词,作句子成分,是 man 的定语。 3.whether 既可以引导主语从句也可以引导宾语从句,但 if 不能引导主语从句。whether 后 面可以加 or not, 而 if 不能与 or not 连用。作介词宾语时不用 if.如: Whether I knew John doesn’t matter. = It doesn’t matter whether I knew John. 我是否认识约 翰没有关系。 Whether or not she’ll come isn’t clear. = Whether she’ll come or not isn’t clear. = It isn’t clear whether …. 她是否来还不清楚。 It all depends on whether we can get their cooperation. 这是主语从句还是宾语从句?it 是 形式主语吗?it 是代词,whether 引导的是宾语从句,作介词 on 的宾语,不能用 if 引 导。请翻译这句话。这完全取决于我们是否能得到他们的合作。 I worry about whether I hurt her feelings. 宾语从句,介词宾语,不能用 if 引导。请翻译 这句话。 She asked me whether/if you were married. 宾语从句,既可以用 whether, 又可以用 if 引 导。注意时态的对应。请翻译这句话。 We haven’t decided whether/if we shall give them aid. I’m not sure whether/if the report is believable. Now let’s do some translation: 现在还很难预测谁会赢得下一届总统选举。 It is still hard to predict who will win the next presidential election. 对于多数公民来说,谁当选总统无关紧要。 Who will become the president doesn’t matter much to most citizens. 这位前总统是否会被判处死刑还有待观察。 It remains to be seen whether the ex-president will be sentenced to death.

真可惜,王教授不能出席我们的英语晚会。 It is a pity that Prof. Wang can’t attend our English Evening. 我们需要的是更多的时间。 What we need is more time.

二、

宾语从句

在谓语动词、介词、动词不定式、分词、动名词之后都可以带有宾语从句。某些形容词 如 sure, happy, glad, certain, pleased 等之后也可以带有宾语从句。 1. that 引导的宾语从句: that 没有意义,在口语或非正式文体中常省略 例如: I really feel she’s making a mistake. 我的确感到她正犯错误。 James said (that) he was feeling better. 詹姆斯说他感到好些了。 Hearing that his son was badly wounded, he hurried to the hospital to see him.听说儿子受 了重伤,他急忙赶到医院去看望他。 I suggested that we should go home. 我建议我们回家去。虚拟语气,that 一般不能省略。 2.whether/if (是否)引导的宾语从句:如果要突出“究竟是…还是不…”,常在 whether 后 面加 or not; if 一般不与 or not 连用。如: He asked me if/whether I knew John. 他问我是否认识约翰。 Let me know whether you can come or not. 你能来还是不能来,告诉我一声。 3. 在 think, believe, suppose, expect 等动词的宾语从句中, 否定不用在从句中, 而是将 think 等词变为否定形式。For example: I don’t think the film is interesting.我觉得这部电影没什么意思。 I don’t suppose we are going outing tomorrow. 我认为我们明天不会出去郊游。 4.如果从句作宾语而后面还有补语,为了保持句子的平衡,用 it 作形式宾语,而将宾语 从句放在句尾。 常跟这样的复合宾语的动词有: make, find, see, hear, feel, think, consider, regard, take….for granted 等。如: George made it clear that he opposed this project. 乔治已明确表示他反对这个项目。 it 代 表 that 引导的句子,作宾语,clear 是宾语补足语。 They kept it quiet that he was dead. 对他已经死亡的消息,他们秘而不宣。 I took it for granted that you’d stay with us. 我想当然认为你会和我们呆在一起。

三、

同位语从句

同位语从句是对名词的内容给予具体、详细的说明。常在后面接同位语从句的名词有 fact, news, idea, truth, hope, suggestion, question, problem, doubt, fear, belief 等。同位语从句常 用的引导词为 that,有是也用 when, where 等疑问词。 如: The news that the United States was hit by terrorist attacks took the whole world by surprise. 美 国受到恐怖主义分子袭击的消息令全世界吃惊。 The idea that you can do this work well without thinking is quite wrong.你认为不动脑筋就能做 好这件工作的想法是完全错误的。 People used to hold the belief that the earth was the center of the universe. 人们曾认为地球是宇 宙的中心。 The difficulty lies in the fact that we are short of money.困难在于我们缺乏资金这个事实。 They have no idea at all where he has gone.他们一点儿也不知道他去哪儿了。

注意:同位语从句的 that 只是引导词,没有其他语法作用,在句子中不作句子成分,不能 省略;而定语从句中的 that 除了引导定语从句外,还是定语从句的一个成分,在定语从句 中作主语或宾语,作主语时不能省略,作宾语时可以省略。 如: The idea that some peoples are superior to others is sheer nonsense.有些民族优越于其他民族这 种想法简直荒谬。 (请辨别是同位语从句还是定语从句。 ) (同位语从句) The idea that he proposed at the meeting is sheer nonsense. 他在会议上提出的这个想法简直荒 谬。 (请辨别是同位语从句还是定语从句。 ) (定语从句) No one is happy with the fact that he found out. 没有人对他发现的事实感到高兴。 (请辨别是 同位语从句还是定语从句。 ) (定语从句) No one is happy with the fact that he will become their boss.没有人对他将成为他们的老板这一 事实感到高兴。 (请辨别是同位语从句还是定语从句。 ) (同位语从句)

四、表语从句
表语从句位于主句的连系动词之后,在非正式文体中引导词 that 可以省略。如: That’s not what I want. 那不是我要的。 That’s why I have come.那就是我为什么来了。 My opinion is that things will improve.我的意见是事情会好起来的。 One advantage of solar energy is that it will never run out. 太阳能的一个优点是永远也不会枯 竭。 The truth is that he didn’t really try. 实际情况是他没有真正努力。 The problem is who is to pay and when we can start.问题是谁来付帐、我们又何时开始。 The fact is that he didn’t notice the car until too late. 事实是他注意到车时已经太晚了。 What surprised me was that he spoke English so well.使我感到吃惊的是他英语讲得那么好。 All I can say is that I have nothing to do with it. 我能说的就是我与此事没有关系。 What I want to know is where we shall go and whether she will join us. 我想知道的是我们要去 什么地方以及她是否加入我们。 此外,表语从句还可由 as if (好像)引导。如: It looked as if it was/were going to rain. (虚拟语气) Now let’s do some translation: 这就是她昨天请一天假的原因。 That is why she had a day off yesterday. 我的想法是,个人的权利应该得到充分尊重。 My idea is that individual rights should be fully respected. 问题在于上帝是否真的存在。 The question is whether the God really exists. 我想知道的是,他是如何在这么短的时间内完成这个项目的。 What I want to know is how he managed to complete the project in such a short time.

五、形容词后的 that 从句
that 引导的名词性从句还可以用在一些形容词后面。 这种句型一般都用人作主语, 所用 的形容词都是表示思想状况或感情色彩的形容词,如 certain, sure, positive, afraid, convinced, anxious, disappointed, worried, glad, happy, sorry, amazed, surprised, aware, doubtful, confident 等等。

如: I am sure/certain that he’s at home now.我肯定他现在在家。 He became angry that you made the same mistake. 你犯了同样的错误,他生气了。 He remains confident that he will win. 他仍然自信他会赢 She is aware that I can’t help her. 她知道我帮不了她的忙。 I am glad that you’ve come. 你来了我很高兴。 He appeared/seemed surprised that I said “no”. 我说不,他似乎很吃惊。 I am afraid that I can’t promise you anything. 恐怕我不能向你保证什么。 We were rather disappointed that you were not able to come yesterday. 昨天你没能来我们有点 失望。 I am a bit worried that she will not be able to make it. 我有点担心她做不成这件事情。

六、what 从句的小结
1. 意思是 “所….的事/物”, 相当于 the thing(s) that…, that which…, 或 those which… 可以用 于以下情况: (1) 引导主语从句。如: What she saw frightened her. 她看到的事情吓了她一跳。 What was once regarded as impossible has now become a reality. 曾经被认为不可能的事 情,现在已经变成了事实。 What I’m afraid of is their taking him to that place. 我怕的是他们带他到那地方去。 What we are worrying about is just her innocence. 我们担心的是她的幼稚。 But what hurt our feelings most was the personal comment of the judge. 最伤我们感情的是 法官的私下评论。 What will be, will be. 要发生的事总是要发生的。 (谚语) What is gone is gone. 过去的事就过去了。 (2) 引导表语从句。如: That’s what I hope. 那就是我希望的。 I should like to be a teacher. That’s what I want to be. 我想当老师,那是我想干的事。 Times are not what they used to be. 时代不同了。 He’s not what he was a few years ago. 他不是几年前的他了。 Your health is not what it ought to be. 你的身体应该更好。 (3) 引导宾语从句,包括介词宾语。如: He could not express what he felt. 他不能表达他的感受。 Well, I’ll do what I can. 好吧,我尽力。 I can’t do what you’ve just asked of me. 我不能做你刚才要求我的事。 And having got what he wanted, he took his hat and went away. 得到了他要的东西, 他拿上 帽子就走了。 As a friend of yours, I want to tell you what I hear. 作为你的朋友,我想告诉你我所听到 的。 The father began to criticize what the boy had done. 父亲开始批评男孩所做的事。 (注意时 态) She was not happy at what he had said. 她对他说的话不高兴。 Don’t poke your nose into what doesn’t concern you. 不要多管闲事。 The city is different from what it was ten years ago. 这座城市和十年前不同了。

It was a small place then compared to what it is now. 和现在比起来, 它那时候是个小地方。 I don’t care about money or what people call position. 我不在乎金钱或者别人所谓的地位。 Philip was depressed by what he had gone through. Philip 经历过的事情使他很消沉。 They paid fifty percent of what they were able to earn to the state. 他们能挣来的东西,百分之五十交给了国家。 2. 用作插入语,指代后面的成分。这和非限定性定语从句正好相反,非限定性定语从句指 代的是前面的成分。如: Then I discovered, what was news to me, that his wife was Mary’s niece. 后来我发现,他妻 子原来是 Mary 的侄女,这对我是个新闻。 He never joined in the usual sports of the boys, and, what is remarkable, never went out in a boat on the river. 他从来不参加男孩子通常做的体育活动, 更奇怪的是, 他从来不坐船出 去到河上面去。 He’s an interesting speaker, and, what is more important, he knows his subject thoroughly. 他 讲话生动有趣,更重要的是,他对课题了如指掌。 He went to the meeting and, what was worse, insisted on speaking. 他去参加了会议, 而且更 糟糕的是,他坚持要发言。 It is a useful book, and, what is more, not an expensive one. 这是本很有用的书,再说也不 贵。 You’ll have nobody but yourself to blame, and, what’s more, you’ll get no sympathy from anybody. 你怪不着别人,只能怪你自己;还有,你得不到任何人的同情。 We invited a new speaker and, what’s more, he was happy to come. 我们请到了一位新的发 言人,而且他很乐意来。 3. 引导让步状语从句,等于“不管什么…” 。注意状语从句的语序。如: Do what she would, she could not invent a reason for not going. 不管她会做什么, 她都编不 出不去的理由。状语从句把实义动词放在句首,句子倒装。=No matter what she would do, … Come what may, you’ll always keep it secret. 无论怎样,你都要保守秘密。=No matter what may come, …. Jack has made up his mind that, come what might, he would stay there. Jack 已经拿定主意, 无论如何他也要呆在那里。=…no matter what might come, … Say what he will, in his heart he knows that he is wrong. 不管他怎么说, 内心里他知道自己 错了。= No matter what he will say, …

练习:
一、 选择最佳答案填空 1.______ he always serves the people very well is known. A. What B. That C. Which D. Who 2.______ you have done might do harm to other people. A. What B. That C. Whether D. Which 3.I don’t care ____ she has no money. I care____ she is honest or not. A. if…if B. whether…whether C. if…whether D. whether…if 4. They found at last ____ they had been looking for. A. that B. what C. where D. which 5. He will be here on time. But I’m not sure _____ he drives or takes the train.

A. whether B. if C. when D. how 6. The reason why he was late is ___ he got up too late. A. that B. because C. as D. for 7. I want to know ____ the leather coat belongs to. A. who B. which C. that D. whom 8. Can you tell me ___ the hospital is? A. where B. who C. that D. whether 9. We all know ____ she will be our English teacher. A. which B. what C. that D. who 10. I wish _____ he would pass the examination. A. how B. whether C. when D. that Key: BACBA ADACD 二、 把两个单句合成主从复合句 model: Does he live there? Could you tell me? →Could you tell me whether (if) he lives there? 1. Can Mike write a little Chinese now? I want to know. →I want to know whether/if Mike can write a little Chinese now. 2. Did Jenny try to explain why she was late? Can you tell us? →Can you tell us if/whether Jenny tried to explain why she was late? 3. Did the monkey want to eat bananas? Do you know? →Do you know if/whether the monkey wanted to eat bananas? 4. Do you like sports? I ask you. →I ask you if/whether you like sports. 5. Does she play basketball? Do you know? →Do you know if/whether she plays basketball? 6. Has the whole street been cleaned? I don’t know. →I don’t know if/whether the whole street has been cleaned. 7. Were there a lot of people in the street? Can you tell me? →Can you tell me if/whether there were a lot of people in the street? 8. Are they preparing for the sports meet? Do you know? →Do you know if/whether they are preparing for the sports meet? 9. Had John told Mr. Smith about his past? Could you tell me? →Could you tell me if/whether John had told Mr. Smith about his past. 10. Has anybody ever been into some of the pyramids? Please tell me. →Please tell me if/whether anybody has ever been into some of the pyramids.


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