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1、2021年浙江新高考英语二轮复习讲义+典例训练高频解密09 名词性从句考点详解【命题解读】1.了解名词性从句的基本用法，掌握名词性从句的引导词及引导词在名词性从句中的作用，辨析that与what,if 与whether等引导词的用法。2.明确it作形式主语和形式宾语、代替主语从句及宾语从句的用法，及其与强调句的区别。3.区分that引导的同位语从句及定语从句。【命题预测】预计今后高考对名词性从句的考查仍然不会单纯地考查其语法结构，而是将其融入一定的语境中来考查考生的实际综合运用能力。考向1 主语从句主语从句是在复合句中担任主语的句子。其特点有：（1）引导词： 从属连词 that, whethe
2、r； 连接代词 who, what, which； whoever, whatever, whichever; 连接副词 when, where, how和why。（2）语序：陈述句语序（3）在主语从句中只能用whether,不能用if That he will win the match is certain.It is certain that he will win the match.1. 一般来说主语从句都是放在句首，但有时为了使句子保持平衡，避免"头重脚轻",常用it 作形式主语，从 而把主语从句放后面。常以it作形式主语的句型有： It is形容词that.I
3、t is certain that she will do well in her exam 毫无疑问她考试成绩会很好。 It is名词词组(no wonder，an honour，a good thing，a pity，no surprise，common knowledge，a surprise， a fact，etc)that.Its a pity that we cant go 很遗憾我们不能去。It is过去分词(said，reported，thought，expected，decided，announced，arranged，etc)that.It has been suggest
4、ed that much should be done to prevent the river from being polluted 有人建议应做更多的工作阻止河流遭受污染。It appears/seems that.|It happens that.|It occurred to me that.|It turned out that.It turned out that nobody remembered the address 结果发现没人记得这地址。It doesnt matter that.|It makes no difference that.It doesnt matter
5、 whether she will come or not 她是否来这无关紧要。2. 当that引导的主语从句出现在疑问句中时，要以it作形式主语，而把主语从句后置。 Does it matter much that they will not come tomorrow？ 他们明天不来很要紧吗？3. 当主语从句出现在感叹句中时，要以it作形式主语，而把主语从句后置。How strange it is that the children are so quiet！孩子们这么安静真奇怪！ 1.(2018·天津卷·单项填空)The gold medal will be awar
6、ded _to wins the first place in the bicycle race.A. whomever B. whereverC. whoever D. whatever【参考答案】C【答案解析】考查名词性从句连接词。句意：无论谁获得自行车比赛第一名，金牌将授予他。分析句子可知，宾语从句中缺少主语，故用whoever，表示“任何人，无论谁”。故选C。2.（2017·北京卷·单项填空）Every year, _ makes the most beautiful kite will win a prize in the Kite Festival.A. wha
7、tever B. whoever C. whomever D. whichever【参考答案】B【答案解析】考查主语从句。分析句子结构可知，_ makes the most beautiful kite作主语，且所填词指人，既作从句的主语又作主句的主语，所以选 whoever(whomever不能作主语)。句意：每年， 在风筝节上风筝做得最漂亮的人都会赢得奖品。3.（2016·江苏卷·单项填空）It is often the case _ anything is possible for those who hang on to hope.A. whyB. whatC. a
8、sD. that【参考答案】D【答案解析】考查主语从句。本句中it是形式主语，真正的主语是连接词that引导的主语从句，连接词that在本句中不充当任何成分，只是一个引导词而已，不能省略。连接副词why要在句中作状语，连接代词what通常在句中作主语、宾语或表语等；as通常不引导名词性从句。句意：对于那些心存希望的人一切皆可能是事实。故D正确。【归纳总结】主语从句的规律规律一、主语从句一律用陈述语序，即主语在前，谓语在后。例1.When will he come is not known.正：When he will come is not known.规律二、连词that 在从句中无实际意义
9、，但不能省略。例2. He will not come to the meeting this evening is true.正：That he will not come to the meeting this evening is true.规律三、whether 可以引导主语从句，放在句首，但if不能例3. If the meeting will be put off has not been decided yet.正： Whether the meeting will be put off has not been decided yet.规律四、主语从句的谓语动词多用单数第三人称
10、形式。例4. When he will come are a puzzle.正：When he will come is a puzzle.考向2 表语从句表语从句放在连系动词之后，充当复合句中的表语。 一、引导表语从句的关联词的种类： 1. 可接表语从句的连系动词有be，look，seem，sound，appear等。 China is no longer what she used to be. 今日的中国不再是过去的中国了。 The question remains whether they will be able to help us. 问题还是他们能否帮我们。 At that ti
11、me，it seemed as if I couldn't think of the right word. 当时，我似乎怎么也想不出一个恰当的字眼来。 2. 从属连词whether，as，as if / though引导的表语从句。 He looked just as he had looked ten years before. 他看起来还与十年前一样。 It sounds as if someone is knocking at the door. 听起来好像有人在敲门。 3. because，why引导的表语从句。 That's because he didn'
12、t understand me. 那是因为他没有理解我。（That's because.强调原因） That's why he got angry with me. 那正是他对我生气的原因。（That's why.强调结果） 4. 连接代词who，whom，whose，what，which，whoever，whatever，whichever 连接副词 where，when，how，why The problem is who we can get to replace her. 问题是我们能找到谁去替换她呢。 The question is how he did it
13、. 问题是他是如何做此事的。 That was what she did this morning on reaching the attic. 那就是她今晨上了阁楼干的。5. 从属连词that The trouble is that I have lost his address. 麻烦是我把他的地址丢了。【归纳拓展】学习表语从句应该注意以下几点。(1)通常只用that引导表语从句的情况。句子的主语为the reason时，表语从句采用that引导，表示原因，此时不用because。The reason why she was ill was that she had eaten bad m
14、eat 她生病的原因是她吃了变质的肉。句子的主语为the result时，表语从句采用that引导。The result is that many of them become fat 结果是他们中许多人发胖了。由why引导的从句作主语时。Why we decided to put off the match is that the weather was too terrible 我们决定推迟比赛的原因是天气太糟糕了。(2)as if/though引导的表语从句通常置于系动词look，seem，sound，be等后面；表语从句既可以采用虚拟语 气，也可采用直陈语气。It sounded as
15、 if somebody was knocking at/on the door听起来好像有人在敲门。She treats him as if he were a stranger她待他如陌生人。 1.(2018·北京卷·单项填空) Without his support, we wouldnt be _ we are now.A. how B. when C. where D. why【参考答案】C【答案解析】考查名词性从句。句意：没有他的支持，我们是不会在现在这个位置的。how表方式，when表时间，where表地点，why表原因。“_ we are now”是表语从句
16、，结合句子的意思可知，该处指我们所处的位置，故该从句应用where引导。C选项正确。2.（2016·北京卷·单项填空） The most pleasant thing of the rainy season is _ one can be entirely free from dust.A. whatB. thatC. whetherD. why【参考答案】 B【试题解析】 考查表语从句。句意：雨季最令人愉悦的就是人们可以完全不再受到灰尘的困扰。is后跟从句作表语，即表语从句，表语从句不缺少主语、谓语和宾语，因此用that，that只起引导作用，故选B。考向3 宾语从句【难
17、点梳理】引导宾语从句的连接词主要有：连接词：that，whether，if等连接代词：what，who，whose，whatever，whichever，whoever等连接副词：when，where，why，how等1. 连接词that，whether，if引导I think (that) you should turn to the teacher for help. 我认为你应该向老师寻求帮助。I dont know if/whether he still lives here after so many years. 我不知道这么多年后他是否还住在这儿。注意：whether/if都意为
18、是否。一般情况下，它们可以互换，口语中常用if，但以下情况中，只能用whether。（1）与or not紧接连用时。 Let me know whether or not you can come. 请让我知道你是否能来。（2）作介词的宾语从句时。 We are interested in whether you will attend the meeting. 我们对你是否参加会议感兴趣。2. 连接代词what，who，whose，whatever，whichever，whoever等引导She asked me whose handwriting was the best in the c
19、lass. 她问我班上谁的书法最好。Ill just say whatever comes into my mind. 我想到什么就说什么。3. 连接副词when，where，why，how等引导Do you know when the ancient Olympic Games began? 你知道古代的奥运会是什么时间开始的吗?Ive been thinking about how we can make the newspaper more interesting. 我一直在考虑如何使我们的报纸更用趣。4. 宾语从句的语序在宾语从句中要用陈述句语序。He asked me when we
20、 could set out the next day. 他问我第二天什么时候可以出发。Did you find out where she lost her car? 你查出她在哪里丢的车了吗?5. 宾语从句的时态（1）当主句的谓语动词是一般现在时时，其宾语从句的时态可以是任何适当的时态。She says (that) she works from Monday to Friday. 她说她周一至周五上班。(从句是一般现在时)she says (that) she will leave a message on his desk. 她说她要在他桌子上留个便条。(从句是一般将来时)She sa
21、ys (that) she has never been to Mount Emei. 她说她从来没有去过峨眉山。(从句是现在完成时)（2）当主句的谓语动词是一般过去时时，其宾语从句的时态一般要用适当的过去时态。He said there were no classes yesterday afternoon. 他说昨天下午没有课。(从句是一般过去时)He said that he was going to take care of the baby. 他说他会去照看这个婴儿。(从句是过去将来时)He said that they were having a meeting at that t
22、ime. 他说他们那时正在开会。(从句是过去进行时)（3）当宾语从句是表达客观真理和规律的句子时，其时态仍旧用一般现在时。The teacher told us that nothing is difficult if we put our hearts into it. 老师告诉我们世上无难事，只怕有心人。He said that light travels much faster than sound. 他说光比声音传播得快。注意：学习宾语从句应该注意以下几点。 (1)引导宾语从句的连词that一般可以省略，但是在及物动词之后跟有两个或两个以上的宾语从句时，只有 第一个that可以省略。G
23、lancing at her scornfully，he told her(that) the dress was sold 他轻蔑地看了她一眼，告诉她说那件衣服卖了。The teacher said (that) the text was very important and that we should learn it by heart 老师说课文非常重要，我们应该背下来。(2)表示心理活动的形容词：afraid，anxious，aware，ashamed，annoyed，certain，confident，content， convinced，determined，disappoint
24、ed，glad，happy，proud，pleased，sure，surprised，satisfied，thankful， worried等可以后接宾语从句。He was afraid that he would lose他担心会输。I am sure that I put the money in the box我肯定把钱放在盒子里了。(3)若主句谓语动词为think，consider，suppose，believe，expect，fancy，guess，imagine等，其后的宾语从 句若含有否定意义，一般要把否定词转移到主句谓语上，从句谓语用肯定式，这种现象称为否定转移 现象(此时主语
25、往往为第一人称，偶尔为第三人称；否定词never，seldom，hardly，little无此用法)。I dont think his decision is wise in reality实际上，我觉得他的决定并不明智。I dont believe that he is a dishonest man我认为他是个诚实的人。(4)在think，believe，imagine，suppose，guess，hope等动词以及Im afraid之后，可以采用so代替一个肯 定的宾语从句，也可以采用not代替否定的宾语从句。Do you believe the news stories？你相信这个新闻
26、故事吗？ I believe so我相信。Has Anne got into university？安妮上大学了吗？ I am afraid not恐怕是没有。1.（2018·全国新课标卷II·短文改错）The games my parents taught me where I was a child turned out to be very useful later in my life.【参考答案】where改为when【答案解析】考查宾语从句的连接词。句意：当我是个孩子的时候我父母教给我的纸牌游戏在我日后的生活中证明非常有用。宾语从句连接词并不是表示地点状语，而是
27、时间状语。故把where改为when。2.（2018·全国新课标卷III·语法填空）I'm not sure _61_ is more frightened, me or the female gorilla(大猩猩）that suddenly appears out of nowhere. I'm walking on a path in the forest in the Central African Republic.【参考答案】which/who【答案解析】考查宾语从句。句意：我不确定哪一个更害怕，我，还是突然出现的雌性大猩猩。此处为宾语从句，空格
28、处表示选择，所以用which或者who”3. (2017·天津卷·单项填空) She asked me _ I had returned the books to the library, and I admitted that I hadn't.A. when B. where C. whether D. what【参考答案】C【答案解析】考查宾语从句。根据“I admitted that I hadn't.”可知书还没还给图书馆，因此此处问的是是否(whether)已经还了。故选C项。句意：她问我是否已将那些书还给了图书馆，我承认没还。4.（2016&#
29、183;全国新课标卷I·短文改错）My uncle is the owner of a restaurant close to that I live.【参考答案】that where 【答案解析】考查宾语从句的引导词。介词后面的宾语从句缺少状语，根据句意判断此处表示地点。故把that改为where。考向4 同位语从句在复合句中用作同位语的从句称为同位语从句。同位语从句是名词性从句的一种。它一般放在fact, news, idea, truth, hope, problem, information, belief, thought, doubt, promise, question
30、等抽象名词的后面，对前面的名词作进一步的解释，说明前面名词的具体含义。1. 同位语从句的引导词选择原则that只起连词作用，无任何含义，一般不省略whether是否when什么时候where什么地点how什么方式The hope that he may recover is not gone yet.他不是没有恢复的希望。The problem whether we should continue to do the experiment has been solved. 我们是否继续做这个实验的问题已经被解决。2. 同位语从句的几种特殊情况（1）当主句的谓语较短，而同位语从句较长时，同位语从
31、句常后置。The story goes that William Tell killed the king with an arrow. 故事是这样的：威廉姆特尔用一支利箭杀死了国王。（2）表示“命令、建议、要求”的名词order, demand, suggestion等后接同位语从句时，从句的谓语要用虚拟语气，即“should动词原形”，should可省略。The suggestion that everyone (should) make efforts to beautify our campus is necessary. 每个人都应尽力来美化校园的建议是有必要的。3. 同位语从句和定
32、语从句的区别同位语从句定语从句功能不同对名词加以补充说明与先行词是修饰与被修饰的关系，起连接作用that不作成分；起连接作用，不可省略作主语或宾语，起连接作用；并且作从句的宾语时可省略whether/how不作成分；起连接作用“是否”；“如何”不引导定语从句whwords作成分；起连接作用；有自己的含义，但与先行词之间无关作成分；起连接作用；没有自己的含义，但是代替先行词在从句中作成分The news that Mr. Li will be our new English teacher is true. 李先生将是我们的新英语老师这个消息是真的。(同位语从句，that不可省略)T
33、he news (that) he told me yesterday is true. 他昨天告诉我的消息是真的。(定语从句，that在从句中作宾语，可省略)1. The only way to succeed at the highest level is to have total belief you are better than anyone else on the sports field.A. how B. thatB. C. whichD. whether【参考答案】B【答案解析】 句意：最高水平成功的唯一途径是得有一个总的信念，那就是在运动场上你比
34、任何人都强。分析句子结构可知_ you are better than anyone else on the sports field是同位语从句，对belief进行解释说明，从句不缺句子成分，故用连接词that引导，答案为B。2. News came from the school office _ Wang Lin had been admitted to Peking University.A. which B. that C. what &#
35、160; D. where【参考答案】B【答案解析】考查同位语从句。本题属于分割式同位语从句，谓语came较短，同位语从句较长，名词和同位语从句被from the school office 分开，that 引导同位语从句Wang Lin had been admitted to Beijing University解释news的内容，在句中起引导作用，没有具体的意思。故选B。难点详解名词性从句考点归纳：1名词性从句必须采用陈述语序。I want to know what he has told y
36、ou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。2it充当形式主语或宾语：在名词性从句中，为了使句子保持平衡，常用先行词it来代替主语从句或宾语从句，而把主语从句或宾语从句放到后面，尤其是连词that引导的主语从句常用于此句式中。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。 I find it strange that she doesnt want to travel她竟不想旅游，我觉得很奇怪。3在名词性从句中 that与what的
37、差异：what在从句中要充当某个成分(主语、宾语或表语)，在任何情况下都不能省略，表示(the thing or things that.； whatever)的事物； 无论什么；凡是的事物。that本身没有词汇意义，在从句中不充当任何成分，在口语和非正式文件中，宾语从句中的that常常省略。What you have done might do harm to others你所做的事或许对别人有害处。I spent what little time I had with my family我仅有的一点儿时间都和家人在一起度过了。No one knows what will happen ne
38、xt谁也不知道下一步有什么事。I think(that) you will like the stamps我认为你会喜欢这些邮票的。4whether和if的差异：（1）引导主语从句、表语从句或同位语从句，只能采用whether。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。（2）介词宾语只用whether引导。He was worrying about whether he had hurt her feeling他焦虑地想知道是否伤害了她的感情。（3）当whether引导的宾语从句位于
39、句首表示强调时，不能被if替换。Whether he will come or not，I am not sure我无法确认他是否会来。（4）whether经常与or not 直接连用，构成whether or not。I dont know whether or not hell come我不知道他是来还是不来。（5）后接动词不定式时只能用whether。Can you tell me whether to go or to stay？你能否告诉我是去还是留？ （6）动词discuss后面只能接whether引导的宾语从句。We discussed whether we should clo
40、se the shop我们讨论我们是否关闭这家商店。5宾语从句和主句的时态呼应：（1）当主句谓语动词为现在时态或将来时态时，宾语从句可以选择适当的时态。Will you tell me how I can keep fit？能告诉我如何保持健康吗？（2）当主句谓语动词为过去时态时，为保持时态一致，宾语从句应采用相应的过去时态。Jack told me that he had been there twice杰克告诉我他去过那儿两次了。（3）当主句谓语为过去时态时，宾语从句表示客观真理、客观存在的事物、格言时，仍然采用一般现在时。Long ago，people knew that there a
41、re four seasons in a year 很久以前，人们就知道一年有四个季节。6连接代词whoever，whatever，whichever引导名词性从句的含义：（1）whoever的用法：(the person or people who.)的那个人Whoever said that？到底谁讲的这话？(any person who.)的任何一个人Tell whoever you like； it makes no difference to me 你愿意告诉谁就告诉谁对我来说都无所谓。（2）whatever的用法：(any or every)任何；每一Take whatever a
42、ction is needed采取任何必要的措施。(anything or everything)任何事物；一切事物You must do whatever is best for you什么对你最有利你就得做什么。(表示做什么或发生什么都没关系，因为结果都一样)无论什么，不管什么You have our support，whatever you decide 不管你做何决定，都会得到我们的支持。（3）whichever的用法：(表示什么特征或品质在作决定时重要)的那个；的那些Take whichever hat suits you best挑个最适合你戴的帽子。无论哪个；无论哪些Whiche
43、ver of you comes in will receive a prize 你们当中不论哪个进来将会得到奖励。 7虚拟语气结构在名词性从句中的应用：（1）主语从句It is necessary that he(should)come to see us他有必要来看望我们。（2）宾语从句The teacher suggested that we(should)have a rest老师建议我们休息一会儿。（3）表语从句My suggestion is that we(should)read English newspapers to improve our English 我的建议是我们应
44、该阅读英文报纸来提高我们的英语水平。8it作形式主语和it引导强调句的比较it作形式主语代替主语从句，主要是为了平衡句子结构，主语从句的连接词没有变化。而it引导的强调句则是对句子某一部分进行强调，无论强调的是什么成分，都用连词that，被强调部分指人时也可用who/whom。Its a pity that he missed the opportunity to travel abroad 他错过了去国外旅游的机会，真是可惜。Who was it that won the World Cup in 2014？谁赢得了2014年的世界杯？ 检测训练（高考真题+名校检测）一、单项选择1.（202
45、0·天津卷）The student completed this experiment to make come true _ Professor Joseph had said.A.thatB.whatC.whenD.where2.（2020·天津卷）My grandmother helped me believe that I could accomplish _ I put my mind to.A.wheneverB.whateverC.whereverD.whichever3.（2019·江苏卷）Scientists have obtained more
46、 evidence _ plastic is finding its way into the human body.A.whatB.thatC.whichD.where4.（2016·北京卷）The most pleasant thing of the rainy season is _ one can be entirely free from dust.A.whatB.thatC.whetherD.why5.（2015·陕西卷）Reading her biography, I was lost in admiration for _Doris Lessing had achieved in literature.A.