高中英语名词性从句(高中英语名词性从句教案)

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摘要今天我们来聊聊高中英语名词性从句,以下6个关于高中英语名词性从句的观点希望能帮助到您找到想要的大学知识。本文目录高中英语基础语法知识:名词性从句高中英语语法名词性从句的概念及分类高中英语课文选修八第一...

今天我们来聊聊高中英语名词性从句,以下6个关于高中英语名词性从句的观点希望能帮助到您找到想要的大学知识。

本文目录

  • 高中英语基础语法知识:名词性从句
  • 高中英语语法名词性从句的概念及分类
  • 高中英语课文选修八第一单元第一篇文章中的名词性从句有哪些...
  • 高考英语语法:高中英语语法-名词性从句
  • 高中英语名词性从句总结 谢谢
  • 求 高中英语名词性从句的区别及注意事项
  • 高中英语基础语法知识:名词性从句

    高中英语基础语法知识:名词性从句   一、名词性从句的基本概念   在复合句中起名词作用的从句叫名词性从句,包括作主语从句、表语从句、宾语从句和同位语从句。   (1)主语从句   就是在复合句中作主语的从句。主语从句常用that, whether, who, whom, whose, what, which, when, where, how, why, whatever, whoever等引导。如:   Whether he will be able to come remains a question. 他是否来还是问题。   That China is a great socialist country is well known. 众所周知,中国是一个伟大的社会主义国家。   注:为避免头重脚轻,使句子平衡,常用it作形式主语,而将主语从句后置。如上述第二例常说成:   It is well known that China is a great socialist country.   但是,由连接代词what, whatever, whoever等引导的主语从句一般不能用形式主语。如:   What he found surprised me greatly. 他的发现使我非常吃惊。   Whoever is finished may rest. 凡是做完工的人都可以休息。   (2)表语从句   就是在连系动词之后作表语的从句。引导表语从句的连接除与引导主语从句的连接词外,还有as if, as though。如:   The question is whether he is able to do it alone. 问题是他能否单独做这件事。   It looks as if (though) it is going to snow. 天好像要下雪似的。   注意:要区分以下句式:   1. that’s why+结果;that’s because+原因。2. the reason why /for…is that…   He is absent. That’s because he is ill. 他缺席,这是因为他生病了。   He is ill. That’s why he is absent. 他病了,这就是他缺席的原因。   The reason why he is absent is that he is ill. 他缺席的.原因是他生病了。   (3)宾语从句   就是在复合句中作宾语的从句。引导这宾语从句的连接词与引导主语从句的连接词基本相同。如:   They didn’t say which they wanted. 他们没有说他们想要哪一个。   I am sure (that) no harm will ever come to you. 我肯定你永远不会受伤害。   I was surprised at what has happened.我对发生的事感到惊讶。   注意:当think, believe, suppose等的疑问式后面跟连接代词或连接副词引导的宾语从句时,习惯上将这些连接词置于句首,即“连接代/副词+do you think /believe /expect+宾语从句的其余部分?”如:   Who do you think is the best player this year? 你认为今年谁是最佳运动员?   What do you suppose you will do after school? 你想放学后干什么?   (4)同位语从句   就是在句中作同位语的从句。它通常有放在thought, idea, news, word(=news), plan, doubt, question, fact, suggestion, belief等抽象名词的后面,说明这些词的具体内容或含义。同位语从句大多由that引导,也可由whether, how, when, where, why等引导,但不能由which引导。如:   The idea that the earth is round is not a new one. “地球是圆的”这种观点并不新鲜。   He must answer the question whether he agrees to it or not. 他必须回答他是否同意此事这们一问题。   I have no idea when he will set out. 我不知他什么时候出发。   注:有时,同位语从句并不紧跟在它所说明的词的后面。如:   The whole truth came out at last that he was a wolf in sheep’s clothing. 真相终于大白了,他原来是一只披羊皮的狼。 ;

    高中英语语法名词性从句的概念及分类

    高中英语语法名词性从句的概念及分类   名词性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句法功能,名词性从句又分主语从句、宾语从句、表语从句和同位语从句。   引导名词性从句的连接词   引导名词性从句的连接词可分为三类:   从属连词: (不充当从句的任何成分)   连接代词:what、whatever、who 、whoever、 whom 、whomever、 whose 、which、 whichever   连接副词: 等   ★不可省略的连词:1.介词后的连词 2.引导主语从句和同位语从句的连词   名词性从句的重难点   一 、名词性从句的'语序 ( 语序)   二 、名词性从句引导词间的区别   1 、 whether 与 i f 的区别   whether 与if均为是否的意思。但在以下情况下,whether不能被if取代:   ⑴whether引导表语从句和同位语从句时   ⑵在主语从句中,若用it做形式主语,if / whether均可;否则,只用whether   Eg.Whether we will attend the meeting hasnt been decided   It hasnt been decided whether / if we will attend the meeting.   ⑶引导介词后的宾语从句时 ;

    高中英语课文选修八第一单元第一篇文章中的名词性从句有哪些?

    一, 主语从句

    主语从句在复合句中作主句的主语,常用it作形式主语。引导主语从句的词:that, whether, who, what, which, whoever, whatever, whichever, when, why, where, how等。

    It suddenly occurred to him that he hadn’t finished his assignment.

    It doesn’t matter whether you hand in your homework this week or next week.

    名词性从句

    二, 宾语从句

    1. 由关联词that引导的宾语从句。

    由关联词that引导的宾语从句时, that在句中不充当任何成分,在口语或非正式的文体中常被省去,但如果从句是并列句时,第二个分句前的that不可省略。

    He said (that) he was innocent and that should be set free immediately.

    2. 由who, whom, which, whose, what, when, where, why, how, whoever, whichever等关联词引导的宾语从句,应注意句子的语序要用陈述语序。

    I want to know what he said to you yesterday.

    3. 在宾语从句中,引导词whether和if 基本一样,但介词后的宾语从句多用whether。

    I will see whether/if she is at home.

    Everything will depend on whether the negotiation will go on smoothly.

    校园时光 三, that,what引导宾语从句的区别

    在宾语从句中, that没有词义,在句中不作任何成分。当从句意义完整,不缺任何成分时,往往选用that;而what引导宾语从句时,意为“什么” ,有时候可以不译,在从句中作主语或宾语。

    You should pay attention to what is mentioned above.

    The story tells us that everybody should spare no effort to achieve what he wants.

    四, Like, hate, appreciate引导宾语从句

    有些动词或动词短语,如like, hate, appreciate,depend on ,see to 等,一般不直接跟宾语从句,需要在从句前加上it。

    I would appreciate it if you could take my suggestions into consideration.

    I don’t like it when you look at me like that.

    五, 表语从句

    引导表语从句的词有that, whether, who, what, which, whoever, whatever, whichever, when, why, where, how,because等。

    China is no longer what she used to be in the old society.

    One reason for her preference for the city life is that she can have easy access to places like shops and restaurants.

    六, 同位语从句

    同位语从句常放在fact, news, doubt, problem, promise, idea等名词后面,常用引导词有that,who, whether, why, when, where等。

    I made a promise to myself that this year , I will make a big difference to myself.

    希望我能帮助你解疑释惑。

    高考英语语法:高中英语语法-名词性从句

    《高中英语语法-名词性从句》由英语我整理,更多请访问:https://www.liuxue86.com/english/。本内容整理时间为05月12日,如有任何问题请联系我们。 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,名词性从句厅分为主语从句、表语从句、宾语从句和同位从句。 (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, 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)。 (二)主语从句 1、主语从句在复合句作主语。 e.g. Who will go is not important. 2、用it作形式主语,主语从句放在句末。 e.g. It doesn't matter so much whether you will come or not. 3、that引导主语从句时,不能省略。 e.g. That he suddenly fell ill last week made us surprised. (三)表语从句 1、表语从句在复合句中作表语,位于系动词之后。 e.g. The question was who could go there. 2、引导表语从句的连接词that有时可省去。 e.g. My idea is (that) we can get more comrades to help in the work. (四)宾语从句 1、宾语从句在复合句中作宾语。引导宾语从句的连词that一般可省略。 e.g. I hope (that) everything is all right. 2、介词之后的宾语从句,不可用which或if连接,要分别用what或 whether。 e.g. I'm interested in whether you've finished the work.. I'm interested in what you've said. 3、whether与if都可以引导宾语从句,常可互换。但下面情况不能互换。 ①宾语从句是否定句时,只用if,不用whether。 e.g. I wonder if it doesn't rain. ②用if 会引起误解,就要用whether。 e.g. Please let me know whether you want to go.(此句如果把whether改成if,容易当成条件句理解) ③宾语从句中的whether 与or not直接连用,就不能换成if;不直接连用,可换。 e.g. I don't know whether or not the report is true. I don't know whether/ if the report is true or not. ④介词后的宾语从句要用whether引导。whether 可与不定式连用。whether也可引导主语从句、表语从句、同位语从句,还可引导让步状语从句,以上均不能换成if。但引导条件从句时,只能用if,而不能用whether。 e.g. It depends on whether we have enough time. They don't know whether to go there. Please come to see me if you have time. (五)同位语从句 同位语从句在句中作某一名词的同位语,一般位于该名词(如:news, fact, idea, suggestion, promise等)之后,说明该名词的具体内容。 e.g. I have no idea when he will be back. The fact that he had not said anything surprised everybody. 练习:名词性从句 一、判断下列各句哪句含有名词性从句,并指出是什么从句: 1. China is no longer what it used to be. 2. The truth that the earth turn around the sun is known to all. 3. It was snowing when he arrived at the station. 4. How he persuaded the manager to change the plan is interesting to us all. 5. The news that they had won the game soon spread over the whole school. 6. The news that you told me yesterday was really disappointing. 7. That is where Lu Xun used to live. 8. He spoke as if he understood what he was talking about. 9. Do you remember the teacher who taught us English at middle school? 10. I wonder why she refused my invitation. 二、用适当的连词填空: 1. I can't decide ____________ dictionary I should buy. 2. That's ____________ he refused my invitation. 3. I am very interested in ____________ he has improved his pronunciation in such a short time. 4. ____________ we need is more time. 5. The fact ____________ she had not said anything at the meeting surprised everybody. 6. ____________ and ____________ they will meet has not been decided yet. 7. Please tell me ____________ you are waiting for. 8. Is that ____________ you are looking for? 9. Would you please tell me ____________ the nearest post office is? 10. I don't know ____________ he will agree to the plan or not. 三、选择填空: 1. Do you see _____ I mean? A. that B./ C. how D. what 2. Tell me_____ is on your mind. A. that B. what C. which D. why 3. We must stick to _____ we have agreed on. A. what B. that C. / D. how 4. Let me see _____. A. that can I repair the radio B. whether -I can repair the radio C. I can repair the radio D. whether can I repair the radio 5. Keep in mind _____. A. that the teacher said B. what did the teacher say C. that did the teacher say D. what the teacher said 6. Could you advise me _____? A. which book should I read first B. what book should I read first C. that book 1 should read first D. which book I should read first 7. He was criticized for _____. A. he had done it B. what he had done C. what had he done D. that he had done it 8. Would you kindly tell me _____? A. how can I get to the Beijing Railway Station B. how I can get to the Beijing Railway Station C. where can I get to the Beijing Railway Station D. whether can I get to the Beijing Railway Station 9. Mrs. Smith was very much impressed by _____. A. what had she seen in China B. that she had seen in China C. what she had seen in China D. which had she seen in China 10. We took it for granted ___ A. that they were not coming B. that were they not coming C. they were coming not D. were they not coining 11. I really don't know _____ A. I should do next B. what should I do next C. what I should do next D. how I should do next 12. I'm afraid _____. A. the little girl will have to be operated on B. that will the little girl have to operate on C. the little girl will have to operate on D. that will the little girl have to be operated on 13. She walked up to _____ . A. where did I stand B. where I stood C. I stood there D. where I stood there 14. Can you tell me _____? A. who is that gentleman B. that gentleman is who C. who that gentleman is D. whom .is that gentleman 15. We'll give you _____. A. that do you need B. what do you need C. whatever you need D. whether do you need 16. They want us to know _____ to help us. A. what can they B. what they can C. how they can D. how can they 17. We must put _____ into practice. A. what we have learned B. that we have learned C. that have we learned D. what have we learned 18. Did she say anything about _____? A. that the work was to be done B. how was the work to be done C. that was the work to be done D. how the work was to be done 19. He was never satisfied with _____. A. what she had achieved B. had what she achieved C. she had achieved D. that she achieved 20. These photographs will show you _____. A. what does our village look like B. what our village looks like C. how does our village look like D. how our village looks like 21. Peter insisted _____ he pay the bill. A. on that B. what C. that D. on which 22. They urged _____ the library open during the vacation. A. when B. where C. why D. that 23. We wish we could have learned _____ when we were at high school. A. what you did B. that you had done C. that what you did D. what did you do 24.1 will describe to you _____ I saw when there. A. what B. that C. which D./ 25. From _____ I should say he is a good worker. A. what 1 know of him B. that I do know of him C. what do I know of him D. that do I know of him 26. I will give this dictionary to __ wants to have it. A. whomever B. anyone C. whoever D. someone 27._____ they will come here hasn' t been decided yet. A. What B. That C. When D. Where 28. _____ was said here must be kept secret. A. Who B. The thing C. Whatever D. Where 29. It is still a question _____ we shall have our sports meet. A. if B. that C. what D. when 30. I'm going anyway. _____ she will go is up to her to decide. A. If or not B. Whether or not C. If D. That 31. It is strange _____ she have left without saying a word. A. that B. what C. why D. how 32. It is very clear _____ our policy is a correct one. A. what B. that C. why D. where 33. _____ Mr Zhang said is quite right. A. That B. When C. What D. Whether 34. It has been decided _____ he will be sent there. A. if B. whether C. why D. that 35. It doesn' t matter _____he' s come back or not. A. if B. whether C. that D. when 36. It's a great pity _____ we won't be able to finish the task on time. A. when B. that C. why D. where 37. It happened _____ I wasn't there that day. A. when B. why C. where D. that 38._____ you have done might do harm to other people. A. What B. That C. Which D. The things 39. _____ leaves the room last ought to turn oft the lights. A. Anyone B. The person C. Whoever D.Who 40._____ the 2000 Olympic Games won't be held in Beijing is known to all. A. Whether B. If C. Whenever D. That 41. _____ fails to see this will make a big mistake. A. That B. Whoever C. Whether D. Whether or not 42. __ we need more equipment is quite obvious. A. What B. Whether C. That D. Whatever 43. Has it been announced _____? A. when are the planes to take off B. that are the planes to take off C. where are the planes to take off D. when the planes are to take off 44. That is _____ we all support his idea. A. what B. why C. where D. when 45. That's _____ we should do. A. that B. what C. how D. why 46. _____ is troubling me is _____ I don't understand _____ he said A. What; that; what B. What; what; what C. That; that; what D. Why; that; which 47. Things were not _____ they seemed to be. A. when B. why C. that D. what 48. That's _____ I want to say. A. all what B. what C. all which D. what that 49. That's _____ . A. where our differences lie B. our differences lie there C. where do our differences lie D. that where our differences lie 50. That is _____ . A. where lived he there B. where did he live C. where he lived D. that where he lived 51. The questions is _____. A. whether is it worth doing B. that if it is worth doing C. whether it is worth doing D. if it is worth doing 52. Water will continue to be _____ it is today next in importance to oxygen. A. how B. which C. what D. as 53. That's_____. A. how did I become a teacher B. how I became a teacher C. how a teacher I became D. that I became a teacher 54. They are just _____. A. that what shall I have B. what shall I have C. that I shall have what D. what I shall have 55. It looked ____. A. as if it was going to rain B. that as if it was going to rain C. as if was it going to rain D. as if that it was going to rain 56. That's_____. A. how she did it B. that how did she do it. C. how did she do it D. what she did it 57. That is _____ we decided to put the discussion off. A. where B. which C. that D. why 58. That's _____ I lived when I was ten years old. A. where B. at which C. there where D. when 59. My suggestion is _____ we should send a few comrades to help them. A. if B. that C. when that D. that where 60. The idea _____ all people are selfish is wrong. A. what B. that C. why D. if 61. We heard the news _____ our team had won. A. that B. what C. whether D. why 62. The fact _____ he hadn't said anything surprised us all. A. why B. if C. that D. whether 63.I have no idea _____ she will be back. A. that B. where C. that when D. when 64. We must keep in mind the fact _____ China is still a developing country. A. whether B. that C. why D. when 65. They have no idea at all _____. A. where he has gone B. where did he go C. where has he gone D. which place he has gone 《高中英语语法-名词性从句》由英语我整理,更多请访问:https://www.liuxue86.com/english/

    高中英语名词性从句总结 谢谢

    名词性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、介词宾语等,因此根据它在句中不同的语法功能,名词性从句又可分别称为主语从句、宾语从句、表语从句和同位语从句。一、引导名词性从句的连接词分类 引导名词性从句的连接词可分为三类: 连词(5个):that (宾语从句或表语从句中that有时可以省略) whether,if (均表示“是否”表明从句内容的不确定性) as if ,as though (均表示“好像”,“似乎”) 以上在从句中均不充当任何成分 连接代词(9个):what, whatever, who, whoever, whom, whomever, whose, which, whichever 连接副词(7个):when, where, how, why, whenever, wherever, however 不可省略的连词: 1. 介词后的连词 2. 引导主语从句和同位语从句的连词不可省略。 That she was chosen made us very happy. We heard the news that our team had won. 比较 whether与if 均为"是否"的意思。 但在下列情况下,只可用whether: 1. whether引导主语从句并在句首 2. 引导表语从句 3. whether从句作介词宾语 4. 常与 "or not" 连用;if 则不可。 5. 引导同位语从句 Whether he will come is not clear. 大部分连接词引导的主语从句都可以置于句末,用 it充当形式主语。 It is not important who will go. It is still unknown which team will win the match. 二. 主语从句 作句子主语的从句叫主语从句。主语从句通常由从属连词that,whether,if,as if和because等连接代词what,who,which,whatever,whoever,whom等以及连接副词how,when,where,why等词引导。that在句中无词义,只起连接作用;连接代词和连接副词在句中既保留自己的疑问含义、又起连接作用,在从句中充当从句的成分。because引导表语从句。注:whom、who指人,what指物,whatever,whoever表示泛指意义。例如: What he wants to tell us is not clear. 他要跟我们说什么,还不清楚。 Who will win the match is still unknown. 谁能赢得这场比赛还不得而知。 It is known to us how he became a writer. 我们都知道他是如何成为一名作家的。 Where the English evening will be held has not yet been announced. 英语晚会将在哪里举行,还没有宣布。 有时为避免句子头重脚轻,常用形式主语it代替主语从句作形式主语放于句首,而把主语从句置于句末。主语从句后的谓语动词一般用单数形式。常用句型如下: (1) It + be + 名词 + that从句 (2)It + be + 形容词 + that从句 (3)It + be + 动词的过去分词 + that从句 (4)It + 不及物动词 + that 从句 另注意在主语从句中用来表示惊奇、不相信、惋惜、理应如此等语气时,谓语动词要用虚拟语气“(should) +do”,常用的句型有: It is necessary (important, natural, strange, etc.) that … It is suggested (requested, proposed, desired, etc.) that… 三、宾语从句 名词从句用作宾语的从句叫宾语从句。引导宾语从句的关联词与引导主语从句表语从句的关联词大致一样,在句中可以作谓语动词或介词及非谓语动词的宾语。 1. 由连接词that引导的宾语从句 由连接词that引导宾语从句时,that在句中不担任任何成分,在口语或非正式的文体中常被省去,但如从句是并列句时,第二个分句前的that不可省。例如: He has told me that he will go to Shanghai tomorrow. 他已经告诉我他明天要去上海。 We must never think (that) we are good in everything while others are good in nothing. 我们决不能认为自己什么都好,别人什么都不好。 注意:在demand、order、suggest、decide、insist, desire, request, command, doubt等表示要求、命令、建议、决定等意义的动词后,宾语从句常用“(should)+ 动词原形”。例如: I insist that she (should) do her work alone. 我坚持要她自己工作。 The commander ordered that troops (should) set off at once. 司令员命令部队马上出发。 2. 用who,whom, which, whose, what, when, where, why, how, whoever, whatever, whichever等关联词引导的宾语从句相当于特殊疑问句,应注意句子语序要用陈述语序。例如: I want to know what he has told you. 我想知道他告诉了你什么。 She always thinks of how she can work well. 她总是在想怎样能把工作做好。 She will give whoever needs help a warm support. 凡需要帮助的人,她都会给予热情的支持。 3. 用whether或if引导的宾语从句,其主语和谓语的顺序也不能颠倒,仍保持陈述句语序。此外,whether与if 在作“是否”的意思讲时在下列情况下一般只能用whether,不用if: a. 引导主语从句并在句首时;b. 引导表语从句时;c . 引导从句作介词宾语时;d. 从句后有“or not”时;e. 后接动词不定式时。例如: Whether there is life on the moon is an interesting question. 月球上有没有生命是个有趣的问题。 Everything depends on whether we have enough money. 一切要看我们是否有足够的钱。 I wonder whether he will come or not. 我想知道他来还是不来。 Can you tell me whether to go or to stay? 你能否告诉我是去还是留? 4. 注意宾语从句中的时态呼应,当主句动词是现在时,从句根据自身的句子情况,而使用 不同时态。例如: I know (that) he studies English every day. (从句用一般现在时) I know (that) he studied English last term. (从句用一般过去时) I know (that) he will study English next year. (从句用一般将来时) I know (that) he has studied English since 1998. (从句用现在完成时) 当主句动词是过去时态(could, would除外),从句则要用相应的过去时态,如一般过去时,过去进行时,过去将来时等;当从句表示的是客观真理,科学原理,自然现象,则从句仍用现在时态。例如: The teacher told us that Tom had left us for America. 5. think, believe, imagine, suppose等等动词引起的否定性宾语从句中,要把上述主句中的动词变为否定式。即将从句中的否定形式移到主句中。例如: We don’t think you are here. 我们认为你不在这。 I don’t believe he will do so. 我相信他不会这样做。 四、表语从句 在复合句中,位于系动词之后作表语的从句叫表语从句。引导表语从句的关联词与引导主语从句的关联词大致一样,表语从句位于连系动词后,有时用as if引导。其基本结构为:主语 + 系动词 + that从句。例如: The fact is that we have lost the game. 事实是我们已经输了这场比赛。 That’s just what I want. 这正是我想要的。 This is where our problem lies. 这就是我们的问题所在。 That is why he didn’t come to the meeting. 那就是他为什么不到会的原因。 It looks as if it is going to rain. 看上去天要下雨了。 需要注意的,当主语是reason时,表语从句要用that引导而不是because。例如: The reason why he was late was that he missed the train by one minute this morning . 【注意】whether 可引导表语从句,但与之同义的if却通常不用于引导表语从句。 五、同位语从句 同位语从句说明其前面的名词的具体内容。同位语从句通常由that引导,可用于同位语从句的名词有advice、demand、doubt、fact、hope、idea、information、message、news、order、problem、promise、question、request、suggestion、truth、wish、word等。例如: The news that we won the game is exciting. 我们赢得这场比赛的消息令人激动。 I have no idea when he will come back home. 我不知道他什么时候回来。 The thought came to him that Mary had probably fallen ill. 他想到可能玛丽生病了。 同位语从句和定语从句的区别: that作为关系代词,可以引导定语从句,充当句子成分,在从句中作宾语时可以省略; that引导同位语从句时,起连词的作用,没有实际意义,不充当句子成分,一般不能省略。 试比较下面两个例句: I had no idea that you were here.(that引导同位语从句,不能省略) Have you got the idea(that)this book gives you of life in ancient Greece?(that引导定语从句,作宾语,可以省略) 六、名词性that-从句 (1)由从属连词that引导的从句叫做名词性that-从句。That只起连接主句和从句的作用,在从句中不担任任何成分,本身也没有词义。名词性that-从句在句中能充当主 语、宾语、表语、同位语和形容词宾语,例如: 主语:That she is still alive is her luck. 她还活着全靠运气。 宾语:John said that he was leaving for London on Wednesday. 约翰说他星期三要到伦敦去。 表语:The fact is that he has not been seen recently. 事实是近来谁也没有见过他。 同位语:The fact that he has not been seen recently disturbs everyone in his office. 近来谁也没有见过他,这一事实令办公室所有的人不安。 形容词宾语:I am glad that you are satisfied with your job. 你对工作满意我感到很高兴。 2)That-从句作主语通常用it作先行词,而将that-从句置于句末,例如: It is quite clear that the whole project is doomed to failure. 很清楚,整个计划注定要失败。 It's a pity that you should have to leave. 你非走不可真是件憾事。 用it作形式主语的that-从句有以下四种不同的搭配关系: a. It + be +形容词+ that-从句 It is necessary that… 有必要…… It is important that… 重要的是…… It is obvious that… 很明显…… b. It + be + -ed 分词+ that-从句 It is believed that… 人们相信…… It is known to all that… 众所周知…… It has been decided that… 已决定…… c. It + be +名词+ that-从句 It is common knowledge that… ……是常识 It is a surprise that… 令人惊奇的是…… It is a fact that… 事实是…… d. It +不及物动词+ that-从句 It appears that… 似乎…… It happens that… 碰巧…… It occurred to me that… 我突然想起…… 七、名词性wh-从句 1)由wh-词引导的名词从句叫做名词性wh-从句。Wh-词包括who, whom,. whose, whoever, what, whatever, which, whichever等连接代词和where, when, how, why等连接副词。Wh-从句的语法功能除了和that-从句一样外,还可充当介词宾语、宾语补语和间接宾语等,例如: 主语: How the book will sell depends on its author. 书销售如何取决于作者本人。 直接宾语:In one's own home one can do what one likes. 在自己家里可以随心所欲。 间接宾语:The club will give whoever wins a prize. 俱乐部将给得胜者设奖。 表语: My question is who will take over president of the Foundation. 我的问题是谁将接任该基金会主席职位。 宾语补足语:She will name him whatever she wants to. 她高兴给他起什么名字就取什么名字。 同位语: I have no idea when he will return. 我不知道他什么时候回来。 形容词宾语:I'm not sure why she refused their invitation. 我尚不能肯定她为什么拒绝他们的邀请。 介词宾语: That depends on where we shall go. 那取决于我们去哪儿。 2)Wh-从句作主语也常用先行词it做形式主语,而将wh-从句置于句末,例如: It is not yet decided who will do that job. 还没决定谁做这项工作。 It remains unknown when they are going to get married. 他们何时结婚依然不明。 八、if, whether引导的名词从句 1)yes-no型疑问从句 从属连词if, whether引导的名词从句是由一般疑问句或选择疑问转化而来的,因此也分别被称为yes-no型疑问句从句和选择型疑问从句,其功能和wh-从句的功能相同, 例如: 主语:Whether the plan is feasible remains to be proved. 这一计划是否可行还有待证实。 宾语:Let us know whether / if you can finish the article before Friday. 请让我们知道你是否能在星期五以前把文章写完。 表语:The point is whether we should lend him the money. 问题在于我们是否应该借钱给他。 同位语:They are investigating the question whether the man is trustworthy. 他们调查他是否值得信赖。 形容词宾语: She's doubtful whether we shall be able to come. 她怀疑我们是否能够前来。 介词宾语: I worry about whether he can pass through the crisis of his illness. 我担心他是否能度过疾病的危险期。 2)选择性疑问从句 选择性疑问从句由关联词if/whether…or或whether…or not构成,例如: Please tell me whether / if they are Swedish or Danish. 请告诉我他们是瑞典人还是丹麦人。 I don't care whether you like the plan or not.我不在乎你是否喜欢该计划。 if和whether的区别: 1、 在动词不定式之前只能用whether 。如: 例8 I can’t decide whether to stay. 我不能决定是否留下。 2、 在whether …… or not 的固定搭配中。如: 例9 I want to know whether it’s good news or not . 我想知道是否是好消息。 3 、在介词后,只能用whether。如: 例10 His father is worried about whether he lose his work . 他的父亲担心是否会失去工作。 4、宾语从句放在句首表示强调时,只能用whether 。如: Whether this is true or not, I really don’t know. 这是否真的,我真的不知道。 (例11 Whether they can finish the work on time is still a problem . 他们是否能准时完成这项工作还是个问题。--此例为主语从句,有误,感谢指出) 5、用if会引起歧义时,只用whether。如: 例12 Could you tell me if you know the answer ? 这句话有两种意思:“你能告诉我是否知道答案吗?”或“如果你知道答案,请告诉我,好吗?”。如用whether可避免歧义. 九、否定转移 1) 将think, believe, suppose, expect, fancy, imagine等动词后面宾语从句的否定词转移到主句中,即主句的谓语动词用否定式,而从句的谓语动词用肯定式。 I don't think I know you. 我想我并不认识你。 I don' t believe he will come. 我相信他不回来。 注意:若谓语动词为hope,宾语从句中的否定词不能转移。 I hope you weren't ill. 我想你没有生病吧。 2) 将seem, appear 等后的从句的否定转移到前面。 It doesn't seem that they know where to go. 看来他们不知道往哪去。 It doesn't appear that we'll have a sunny day tomorrow. 看来我们明天不会碰上好天气。 3) 有时将动名词,介词短语或整个从句的否定转变为对谓语动词的否定。 I don't remember having ever seen such a man. 我记得从未见过这样一个人。 (not否定动名词短语 having…) It's not a place where anyone would expect to see strange characters on the street. 在这里,人们不会想到在街上会碰上陌生的人。 (anyone 作主语,从句中的谓语动词不能用否定形式。) 4) 有时状语或状语从句中否定可以转移到谓语动词前。 The ant is not gathering this for itself alone. (否定状语) 蚂蚁不只是为自己采食。 He was not ready to believe something just because Aristotle said so. (否定because状语) 他并不因亚里斯多德说过如何如何,就轻信此事。 She had not been married many weeks when that man's younger brother saw her and was struck by her beauty. (否定状语many weeks) 她结婚还不到几个星期,这个人的弟弟就看见她了,并对她的美貌着了迷。

    求 高中英语名词性从句的区别及注意事项

    名词性从句一.概念:在从句中起名词作用的从句即名词性从句。它们是:主语从句,宾语从句,同位语从句和表语从句。二.引起名词性从句的连词:1.that 无意义,只起倒引起从句的作用,如引导宾语从句可省略。That he beat his opponent in the tennis game encouraged his teammates.He said (that) another child was infected with bird flu.The fact is that he knows nothing about it.应用于Her dream that she will become a woman astronaut is sure to come true. 2.what 有意义,”所……的”或随句子意思而定。在从句中作主语,宾语和表语。 What makes her different from others is her strange behaviour. This is what I want to say. Please tell me what it is. 3.whether 有意义,“是否”,引导宾语从句可以用if。 Whether it is true is not certain. He asked me whether/if he could ask another question. 4.when 引起表示时间的名词性从句,意思是“……的时候”或“何时……” When we can get rid of the rubbish is still unknown. They didn’t know when they could meet again. The question is when the money can be collected. 5.where 引起表示地点的名词性从句,意思是“在……的地方”或“到……的地方” Where the meeting will be held hasn’t been decided. Everyong wants to know where the plant can be found. 6.how 引起表示方式的名词性从句,意思是“……的方式”或“如何……” The problem is how we can get out of the trouble. How we can get in touch with him is the most important. 7.why 引起表示原因的名词性从句,意思是“……的原因”或 “为什么……” Why he said that rubbish at the meeting puzzled me. At last,he told us why he didn’t agree with us. 8.who “谁” ,whom“谁”,whose“谁的” Who will be chosen is the topic of conversation now. I want to know who/whom you really want to see. Whose handwriting is the most beautiful is very clear now. 9.疑问词+ever 也可以引起名词性从句 Whatever was said here must be kept secret. Whoever fails to see this will make a big mistake. I’ll give it to whoever likes it. Parents shouldn’t give their children whatever he/she wants.三. 名词性从句的种类:四种——主语从句,宾语从句,同位语从句和表语从句1. 主语从句:在复合句中充当主语的从句叫主语从句,上述引导词除if外均可引起主语从句。 Who has been chosen is still a secret to all. That one believes in oneself in doing everything is very important.注意:主语从句如果偏长,可将其移至谓语动词之后,前面用it作形式主语。That he is an honest boy is known to all.→It is known to all that he is an honest boy.That the Chinese volleyball team once won six world championships successively is true.→It is true that the Chinese volleyball team once won six world championships. 在It is insisted/ordered/commanded/suggested/advised/proposed/demanded/required/requested…that…结构中,谓语动词常用should+动词原形。如:It is suggested that we should think twice before we act. It is requested that we should change the old instrument. 另外,在It is necessary/important/strange/surprised that…或 It is a pity/shamethat… 也用 should + 动词原形 如:It is a pity that he should go without telling anyone. It is necessary that you should tell him the truth. 2. 宾语从句:在复合句中作宾语的从句叫宾语从句,以上连词都可引起宾语从句。 Everyone knows that he always gives answers and never ask questions,so he is called Mr Know-all.宾语从句应注意的几个问题:① 当一个动词带有两个或两个以上that 引导的宾语从句时,第一个that 可以省略,但从第二个开始不可以省略。 He said (that) he would spend his winter holiday in London this year and that it would be the first time he would spend his holiday alone abroad.② 当宾语从句有补语时,要用形式宾语it代替,而将宾语从句移至补语后,同时that不可省略。 We should make it clear that protecting the environment is everyone’s duty.We find it important that one forms a good habit.③ 在tell sb. that…; order sb.that…; remind sb.that…; explain to sb. that…; whisper to sb. that…等结构中that 不可省。 He told me that he was going abroad next month. He whispered to me that the man in blue is a policeman.④ 在be+adj.后的宾语从句中,that 可以省略。 I’m glad (that) I’ll see all my fiends soon. I’m sure (that) he will stand on our side.⑤ whether和if 均能引起宾语从句,但是if 只能在动词后,在介词后要用whether。 He asked whether/if we could do him a favour. We wondered whether/if he would come or not.---Will you come tomorrow?---Sorry,I really don’t know. It depends on whether it is raining (or not).⑥ 宾语从句在时态上要求与主句一致(即时态呼应),也就是说主句为一般现在时,从句可用任何时态;如从句为一般过去时态,主句应为过去时的某种时态。当然,从句为普遍真理和自然现象者例外. He says that he lives around the corner. He says that he has been here for a long time. He says that he once worked as a cook. He says that he is expecting his father’s telephone. He said that he was learning English for the 2008 Beijing Olympic Games. He said that he would go abroad for further information. He said that it does not snow in winter in Australia.⑦ 在某些动词后的宾语从句中用虚拟语气,其结构为should+动词原形,should 可以省略。这些常用动词是:一个坚决要求insist; 两个命令order,command; 三个建议suggest,advise,propose;四个要求ask,demand,request,require 注意:insist有两个意思“坚决要求”和“坚持认为”,前者用虚拟语气,而后者用陈述语气(实际时态);同样suggest 也有两个意思“建议”和“表明”或“暗示”,当“建议”讲时用虚拟语气,否则用陈述语气(实际时态)。 如:He insisted that he should go to the front.(虚拟语气) He insisted that Tom was honest and hardworking.(陈述语气) She suggested that she should answer the phone immediately.(虚拟语气) The smile on her face suggested that he was satisfied with the result.(陈述语气)上述其他动词后一律用should+动词原形如 They requested that an immediate answer should be given. He ordered that the troops (should) start at once.3.同位语从句:idea,fact,rumour,message,news,hope,belief,thought,doubt,proof,evid-ence,promise,probability等名词后出现的that 或wh-引导的从句作同位语,人们称之为同位语从句,同为语从句对所修饰得词起解释说明的作用。I had no idea that you were here.They expressed the hope that they would visit China again.There is no doubt that he is not fit for the job.The question how they could get the information was brought forward at the meeting .The government warned that the rumour that an earthquake would hit Harbin was not believable.在下列同位语从句中,谓语动词用should+动词原形:One’s suggestion /advice/order/requirement/request/that… 如:My suggestion that we should collect money for the poor girl has been taken.4.表语从句:由that, as if, wh-等引起的作表语的从句叫做表语从句。 The manager’s suggestion is that the new products should be put in market as soon as possible. The fact remains that we are behind some developed countries. It seems /appears as if the problem has been settled. That’s what we should do. Asia is no longer what it used to be. That’s where we differ. That was how we were defeated. That was when our football team was formed. That was why we decided to put off the discussion. 在下列表语从句中,谓语动词用should+动词原形: One’s suggestion/requirement/order… is that… 如:My suggestion is that we should give him another chance. Her requirement is that she should be sent to Tibet to work.四. 解题要点: ①如果从句意思完整,须用that,因为that 不作成分。 ②在涉及到“是否……”时用whether,if只用在动词后的宾语从句中,而且也可以换成whether. ③that和what不可混淆,that无意义,不作成份;what有意义,做成分 ④that的不可省。

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