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2023年高中英语语法名词性从句精讲之：四大从句用法大全主语从句主语从句的概念：如果一个句子在复合句中充当一个主语，那么这个句子就是主语从句。
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。
主语从句用法：1、主语从句的引导词：主语从句通常由连词that和whether、连接代词或连接副词以及关系代词型what引导：如：That he is still alive is a wonder. 他还活着，真是奇迹。
When we arrive doesn't matter. 什么时候到没有关系。
What we need is money. 我们需要的是钱。
What I want to know is this. 我想知道的就是这一点。
Whether they would support us was a problem. 他们是否会支持我们还是一个问题。
2、主语从句与形式主语it：有时为了考虑句子平衡，通常在主语从句处使用形式主语it，而将真正的主语从句移至句末。
这分三种情况：(1)对于以连词that引导的主语从句，通常用形式主语代主语从句：如：It's a pity that he didn't come. 很遗憾他没来。
(2)对于以连接代词(副词)引导的主语从句，可以使用形式主语代主语从句，也可直接在句首使用主语从句：如：Whether they would support us was a problem. 他们是否会支持我们还是一个问题。
It was a problem whether they would support us. 他们是否会支持我们还是一个问题。
(3)对关系代词型what引导的主语从句，通常不用形式主语，总是主语从句放在句首：如：What we need is money. 我们需要的是钱。
1.______ he wants is a book.2. ______ he wants to go there is obvious.3. We should pay attention to ______ the teacher is saying.4. He told us ______ he felt ill.5. The result is ______ we won the game.6. This is _____ we want to know.7. I have no idea _____ he did that afternoon.8. The fact______ she works hard is well known to us all.练习：if / whether1. I asked her __________ she had a bike.2. I don’t know ___________ he is well or not.3.___________ we will hold a party in the open air tomorrow depends on the weather.4.It hasn't been decided____________ we shall attend the meeting.5.We’re worried about ________ he is safe.6. The question is _________ he should do it.7.The doctor can hardly answer the question__________ the old man will recover soon.8. I don’t know _______ to go or to stay at home.附加练习1.I doubt____________ he can speak English.2.I don’t doubt ____________ he can speak English.Whatever有两个用法，一是引导名词性从句（如主语从句、宾语从句、表语从句），二是用于引导让步状语从句。
专题08 名词性从句一真题感悟1.【2021 新高考I卷】________ is so breathtaking about the experience is the out-of-world scenes.2.【2020浙江高考】Over thousands of years, they began to depend less on ______ could be hunted or gathered from the wild, and more on animals they had raised and crops they had sown.3.【2020·全国卷II】Thank you for your letter, what really made me happy.4.【2020全国卷III】Understanding her good intentions, I eat all the food what is provided by Mom with appreciation.5.【2019·全国卷Ⅰ】The polar bear is found in the Arctic Circle and some big land masses as far south as Newfoundland.While they are rare north of 88°,there is evidence _________they range all the way across the Arctic,and as far south as James Bay in Canada.6.【2018全国卷I I】The games my parents taught me where I was a child turned out to be very useful later in my life.7.【2019江苏】Scientists have obtained more evidence ______plastic is finding its way into the human body.8.【2019-北京卷】What students do at college seems to matter much more than_________they go.9.【2018北京卷】This is __________my father has taught me to alwavs face difficulties and hope for the best.10.【2018 江苏卷】By boat is the only way to get here, which is_________we arrived.11. 【2017 北京卷】Every year, ________makes the most beautiful kite will win a prize in the Kite Festival .12. 【2017·北京卷】Jane moved aimlessly down the tree-lined street, not knowing_________she was leading.13. 【2017-江苏卷】We choose this hotel because the price for a night here is down to $20, half of_________it used to charge .14.【2017-天津卷】She asked me________ I had returned the books to the library, and I admitted that I hadn't,15.【2016-北京卷】The most pleasant thing of the rainy season is_______one can be entirely free from dust.二实战模拟1.It's good to know _______ the dogs will be well cared for while we're away.2.Suddenly it occurred to me ________ I should report the accident to the police.3.As a new graduate, he doesn't know _________ it takes to start a business here.4.I hate it ________ you throw my things out without talking to me.5.Our country is developing at an amazing speed, and this is ________ makes me feel so proud.6.We'd like to do ________ we can to help the poor.7.He must have passed this way on rainy days. That is ________ his footprints are left in the mud.8.My grandmother helped me believe that I could accomplish _____ I put my mind to.A. wheneverB. whateverC. whereverD. whichever9.As a child, I was told _______ the moon has no light of its own.10._______ he failed in the exam made his parents disappointed.11.I have no idea _________the meeting will be held.12.I will do _________I can to help him.13.Before the sales start, I make a list of ________ my kids will need for the coming season.14.Some students even have no idea ________ they are studying, so they waste much time playing.15.She always thinks of _________ she can work well.16. _________was most important to her, she told me, was her family.16.I will give the book to _________needs it.17.The news ________ they had won the game soon spread over the whole school.18.I made a promise to myself _________this year, my third year in Senior school, would be different.19.As is known to us, China is no longer __________she used to be.20.One reason for her preference for city life is________ she can have easy access to places like stores and restaurants.21.I find it necessary _________we should spend more time practising spoken English.22.Everything depends on __________ we have enough money.23.__________ they will come hasn't been made public.24.It is obvious to the students __________ they should get well prepared for their future.25.__________ you are coming to Shanghai is the best news I have heard this long time.26.The reason is_________ he missed the early bus.27.That is _________ the problem lies.28.I think solving problems for patients could give me a sense of pride and satisfaction, that’s ________I love being a doctor.29.From my own experience I know _________ nothing is worse than that.30.Start by thinking of _________ you might want to save for.三语法填空组合练 A B CA体裁:新闻报道主题语境:人与社会--制度自信Shenzhen aims to be world hub(中心)of innovation.Shenzhen, ____1____high-tech hub adjacent(邻近的)to Hong Kong, is expected to further grow into a center of innovation, entrepreneurship and ____2____(create) with global influence.The new plan came as last year marked the 40th anniversary of Shenzhen's designation ____3____ China's first special economic zones. Over decades, Shenzhen ____4____(be) the window and experimental field or China's reform and opening up. The new plan marks a key move to deepen reforms and expand opening-up at a higher level. The new plan attaches importance to ____5____(accelerate ) the cultivation of the data market, ____6____ is in line with the technological revolution and will help further drive digital transformation. ____7____(much) efforts are also needed to select innovative talent willing to carry out bolder reforms, explore incentives and create a fault-tolerant mechanism to encourage reforms.With the support of preferential policies outlined in the plan, Shenzhen will not only foster high-quality development, but also will play a key role in boosting the development of the Greater Bay Area and the nation. By 2022, significant progress is to ____8____(make). By 2025,reforms are expected ____9____ (achieve )landmark results, and pilot reform tasks are expected to be_____10____ ( basic) complete by then.1.__________2.__________ 3 . _________ 4._________ 5.__________ 6.__________ 7.___________ 8__________ 9__________ 10.__________B体裁:说明文主题语境:人与自然--恐龙研究Canadian researchers say they have discovered the first ____1____( know) case of a dinosaur called Centrosaurus with a deadly cancer. The____2____(evident) came from a fossil leg bone discovered in Alberta, Canada in 1989.Examinations of the fossil showed the lower leg bone, called the fibula(腓骨), was____3____(bad) malformed. Scientists thought this was likely caused during the healing process of a broken leg. ____4____ new studies of the fossil led researchers ____5____( believe) the malformation was probably caused by an aggressive bone cancer called osteosarcoma(骨肉瘤), which was described ____6____a severe and deadly bone cancer "with a worldwide incidence(发生率)of 3.4 cases per million people per year. "The researchers said the____7____(late)examinations of the fossil showed the dinosaur leg bone contained “a massive tumor". Lead researcher,David Evans said one of the strongest pieces of evidence ____8____( be ) that the cancer was also found in the outer layer of bone. "This remarkable find shows that no matter how big or powerful some dinosaurs may seem, they____9____(affect)by many of the same diseases we see in humans and other animals today, including cancer." Another lead researcher,Dr.Mark Crowther said," Here, we show the unmistakable signature of advanced bone cancer in a 76-million-year-old horned dinosaur-the first of its kind,____10____is very exciting."1.__________2.__________3.__________4.__________5.__________6.__________7.__________8.__________9.__________ 10.__________C体裁: 新闻报道主题语境:人与社会--考古发现Is It the Pig from Angry Birds?An ancient clay pig statue has become ____1____ hot topic, for it looked exactly like Green Pig, a mian character in Angry Birds, a popular mobile game. The artwork ____2___ (discover) under the ruins of an ancient settlement ____3____(date) back nearly 5,000 years insouth-western China.Archaeologists(考古学家)found the tiny pig statue____4____(accidental) while digging in the remains of a small ancient community outside Guanghan in Sichuan province.The village was situated about eight kilometres outside Sanxingdui, a Bronze Age kingdom,____5____likely came into being around 5 , 000 years ago, and the pig statue is thought to be 3 , 200 years old. The pig statue has been described a ____6 ____“cute, vivid and delicate"by the researchers, who say it represents the advanced standards of the region’s prehistoric residents.Chinese Internet users expressed their amazement. On Weibo, one person expressed his____7____(admire) excitedly: “lt is the pig from Angry Birds!" Another commenter joked: "The pig in Angry Birds.You have infringed(侵犯)the copyright.The research team claimed ____8____(find) tracks of continuous human activity on this site from 5 , 000 years ago to the ____9____(Dynasty) of Ming and Qing. Officials planned to dig7,000 square metres of the site, which is officially named Guanghan Joint Ruins. By the end ofJune, they ____10____(dig) 4,500 square metres.1.__________2.__________3.__________4.__________ 6.__________ 6__________ 7.__________ 8.__________ 9.__________ 10.__________。
高中英语语法专攻-《名词性从句》【考点1-引导词】【考点2-主语从句】①定义：主语从句是指在复合句中充当主语的句子，它是名词的拓展，属于主语的第三个表达层次。
所以，主语从句和名词一样通常是出现在谓语动词的前面。
②主语从句的引导词：从属连词：that、whether、if（不可位于句首）连接代词：what, whatever/who, whoever/whom, whomever/whose,whosever/which,whichever连接副词：when, whenever/where,wherever/how, however/whythat引导主语从句（that无含义，在句中不作成分，不可省略）That youth is wholly experimental is known to us all。
众所周知，青春就是探索的岁月。
That she finished reading an English novel surprised us all.她读完了一部全英文小说让我们惊讶That you will win the medal seems unlikely.你赢得奖牌似乎是不可能的。
That he is still alive is a wonder.他还活着，真是奇迹。
That we shall be late is certain.我们要晚了，这是确定无疑的。
That she is still alive is a consolation.她还活着是使人感到宽慰的。
Whether引导主语从句（whether有含义“是否”，在句中不作成分，不可省）Whether she will come to the party makes no difference.她来不来参加聚会都没有关系。
It makes no difference whether/if she will come to the party.W hether he is coming or not doesn’t matter too much.他来或不来都不怎么重要It doesn’t matter too much whether he is coming or not.Who,whom, what, which,whose（连接代词）引导主语从句（连接代词有含义，在句中起名词性作用，担当一定成分）Who will be the leader of the team has not been decided yet.谁会成为这个队的领头人还没定下来。
专题十 名词性从句一、概念定义：在句子中起名词作用的句子叫名词性从句 (Noun Clauses)。 名词性从句在复合句中能担任：主语、宾语(介词宾语)、表语、同位语，因此，根据它在句中不同的语法功能，可分为：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可分为三类：1．连接连词：that, whether, if, as if和because。 that引导名词性从句时，在主从句中不可以充当任何句子成分，也没有任何含义。The fact is that we have lost the game.The reason why he was late was that he missed the train this morning.He has told me that he will go to Shanghai tomorrow.It looks as if it is going to rain.It happened that I went out last night.It is known to us how he became a writer. Whether there is life on the moon is an interesting question.Everything depends on whether we have enough money.2．连接代词：what, whatever, who, whoever, whom, whose和which。注意：what引导名词性从句时，在主从句中都要充当一定的句子成分，what可以分解成定语从句中的先行词＋关系代词即常说的先行词＋that。I want to know what he has told you.What he wants to tell us is not clear.3．连接副词：when, where, how和why。That is why he didn't come to the meeting.She always thinks of how she can work well.Where the party will be held has not yet been announced.在历年的高考中几乎都涉及名词性从句，并且每年的命题各有变化，但仔细分析高考试题不难看出，这一部分内容主要从以下几个方面进行考查：1．语序问题。在名词性从句中，除了关联词在从句之首外，其他部分应用陈述句的语序。She will give whoever needs help a warm support.Why he did that was not clear.2．用it代替主语从句或宾语从句。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that引导的主语从句常用于此种句式中，但what，whatever，whoever，whichever引导的主语从句一般不后置。3．名词性从句中关联词的选择是非常重要的，所以在高考中更多的是考查关联词的选择，尤其是what用法要多多体会。高考真题探究（2006—2011年）
【2011北京卷 22】__________ Barbara Jones offers to her fans is honestyand happiness. A. Which B. What C. That D. Whom【答案】B【考点】考察名词性从句中的主语从句。【解析】句意：这个惊人的消息使我意识到我们将面临多么严重的问题。结合句意可知答案为A，此处what引导的宾语从句是一个感叹句。【2011北京卷 31】The shocking news mad me realize ________ terribleproblems we would face. A. what B. how C. that D. why【答案】A【考点】考查名词性从句中的宾语从句。【解析】由句中的IS可知其前面是由what引导的主语从句，且what在从句中作offer的宾语，故答案为A项。【2011上海卷 35】There is clear evidence _____ the most difficult feelingof all to interpret is bodily pain.A. what B. if C. how D. that【答案】D【考点】考查名词性从句中的同位语从句。【解析】句意为：证据表明，所有能够说明的感觉中最困难的是身体的疼痛。分析句子结构，从句中不错成分，故用关联词that。【2011上海卷 38】The message you intend to convey through words maybe the exact opposite of _____ others actually understand.A. why B. that C. which D. what【答案】D【考点】考查名词性从句中的宾语从句。【解析】句意为：你试图通过言语表达的意思或许恰恰跟别人理解的相反。【2011山东卷 26】I am afraid he’s more of a talker than a doer, which is______ he never finishes anything. A. that B. when C. where D. why【答案】D【考点】考查表语从句。【解析】句义：我恐怕他比起来一个实践家更是一个空谈家，那就是他一事无成的原因。本文“which is..”引导的一个非限定性定语从句中有一个表语从句根据句意用“why”引导。【2011山东卷 33】We’ve offered her the job, but I don’t know______she’ll accept it. A. where B. what . whether D. which【答案】C【考点】此题考查宾语从句的引导词。【解析】根据句意“我们提供给她了这份工作，但我不知道她是否会接受”。whether “是否“， where “哪里“what “什么”，which “哪个“。【2011江西卷 26.】The villagers have already known ______ we’ll do is torebuild the bridge. A. this B. that C. what D. which【答案】C【考点】考察宾语从句和主语从句。【解析】村民们已经知道我们将要做的事情是重建这座桥，后面的宾语从句的主语从句中缺少主语且指物，所以选择what。【2011江苏卷 26】It was never clear _______ the man hadn’t reported theaccident sooner.A. that B. how C. when D. why【答案】A【考点】考查主语从句。【解析】句意：这名男子没有早点报告这次事故的原因根本没有搞清楚。It在句中是形式主语，真正的主语是why引导的主语从句。【2011安徽卷 33】His writing is so confusing that it’s difficult to make out_____it is he is trying to express.A. that B. how C. who D. what【答案】D【考点】考查名词性从句。【解析】句意为：他的笔迹非常混乱，很难弄清他想表达什么意思。本题考查动词短语make out引起的的宾语从句，该空在宾语从句中作express的宾语，表示事物，故选择D项。That在宾语从句中不作句子成分；how作方式状语；who作主语，指人。只有what可用作宾语并且指事物。【2011四川卷 10】Our teachers always tell us to believe in ________ we doand who we are if we want to succeed.A. why B. how C. what D. which【答案】C【考点】考查名词性从句。【解析】in介词之后所接的宾语从句中缺少及物动词do的宾语，指事物，故填what。why“为什么”；how“怎么样”；which“哪一个”。【2011辽宁卷 23】Twenty students want to attend the class that aims toteach ______ to read first. A. what B. who . how D. why【答案】C【考点】考查名词性从句。【解析】句子意思：20个学生想要去听旨在教授如何快速阅读的课程。根据句子结构可知，that aims to teach ______ to read first.是定语从句，修饰先行词class，在此定语从句中，teach后接的宾语从句中缺少表示方式的连接词，故how正确。此处为“连接词+to do”结构。【2011辽宁卷 32】When the news came _____ the war broke out, he decided, to serve in the army. A. since B. which C. that D. because【答案】C【考点】考查同位语从句。【解析】句意：当战争爆发的消息传来时，他决定去部队服役。此处的“ the war broke out”解释说明the news的具体内容，且从句中不缺少成分，故为同位语从句，用that连接。【2011天津卷 13】Modern science has given clear evidence ______smoking can lead to many diseases.A. what B. which C. that D. where【答案】C【考点】考查名词性从句中的同位语从句。【解析】句意为：现代科技已经给出了充分的证据，表明吸烟可能引起许多疾病。【2011陕西卷 15】I’d like to start my own business–that’s ____ I’d do if I had the money. A. why B. when C. which D. what【答案】D【考点】考查名词性从句中的表语从句。【解析】后面从句不完整，do后面缺少宾语，所以要填连接代词what，答案D。【2011重庆卷 22】It is still under discussion __________the old bus stationshould be replaced with a modern hotel or not.
