2022年高考专题讲义之高考名词性从句讲解及练习 .pdf

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1、学习好资料欢迎下载高考名词性从句讲解大纲一、引导名词性从句的连接词二. 主语从句三、宾语从句四、表语从句四. 同位语从句五、名词性 that-从句六、名词性 wh-从句七、if, whether 引导的名词从句八、否定转移在句子中起名词作用的句子叫名词从句(Noun Clauses )。 名词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引导名词性从句的连接词可分为三类:连词: that(无任何词意)Whether /if (均表示 “

2、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: what, whatever, who, whoever, whom, Whose/ which./whichever,/whomever 连接副词: when, where, how, why 不可省略的连词 :名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 1 页,共 10 页 - - - - - - - - - 学习好资料欢迎下载1.

3、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 newsthat our team had won.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 和连接代词 what,who,which,whatever,whoever 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。 例如:What he wa

4、nts to tell us is not clear. 他要跟我们说什么,还不清楚。直接宾语Who will win the match is still unknown. 谁能赢得这场比赛还不得而知。主语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。状语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

5、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 从句名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 2 页,共 10 页 - - - - - - - - - 学习好资料欢迎下载(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

6、用的句型有:It is necessary (important, natural, strange, etc.) that It is a pity (a shame, no wonder, etc.) thatIt 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

7、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。注意:在 demand、order、suggest、decide、insist, desire, request, command 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

8、 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:名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 3 页,共 10 页 - - - - - - - - - 学习好资料欢迎下载I want

9、 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。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

10、 life on the moon is an interesting question. 月球上有没有生命是个有趣的问题。The question is whether she should have a low opinion of the test? 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?5.

11、 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、表语从句在句中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:名师资料总结 - - -精品资料欢迎下载 - - - - - - - - -

12、 - - - - - - - - - 名师精心整理 - - - - - - - 第 4 页,共 10 页 - - - - - - - - - 学习好资料欢迎下载The fact is that we have lost the game. 事实是我们已经输了这场比赛。Thats 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 didnt 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.

13、 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。四. 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 、ne

14、ws、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:名师资料总结 - - -精品资料欢迎下载 - - - -

15、 - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 5 页,共 10 页 - - - - - - - - - 学习好资料欢迎下载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)五、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

16、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 he is still alive is sheer luck.他还活着全靠运气。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

17、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。Its a pity that you should have to leave.你非走不可真是件憾事。名师资料总结 - - -精品资

18、料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 6 页,共 10 页 - - - - - - - - - 学习好资料欢迎下载用 it 作形式主语的that-从句有以下四种不同的搭配关系:(重点,需记忆)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 kno

19、wn to all that从所周知 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-分句It appears that 似乎 It happens that 碰巧It occurred to me that我突然想起 六、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,

20、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。名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 7 页,共 10 页 - - - - - - - - - 学习好资料欢

21、迎下载直接宾语: In ones 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 wil

22、l return.我不知道他什么时候回来。形容词宾语: Im 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。七

23、、 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:名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 8 页,共 10 页 - - - - - - - - - 学习好资料欢迎下载主语:Whether the plan is feasible remains to be proved. 这一计

24、划是否可行还有等证实。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:Shes doubtful whether we shall be a

25、ble 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/whetheror 或 whetheror 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 dont care whether you like the plan or not.我不在乎你是否喜欢该计划。八、

26、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 dont 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。名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 9 页,共 10 页 - - - -

27、 - - - - - 学习好资料欢迎下载I hope you werent 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 doesnt seem that they know where to go. 看来他们不知道往哪去。It doesnt appear that well 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 dont remember having ever seen such a man.我记得从未见过这样一个人。(n

28、ot 否定动名词短语having )Its 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 Aristo

29、tle 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 mans younger brother saw her and was struck by her beauty. (否定状语 many weeks)她结婚还不到几个月,这个人的弟弟就看见她了,并对她的美貌着了迷。名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 10 页,共 10 页 - - - - - - - - -

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