专题05 巧用名词性从句(课件) -2026年高考英语从零开始学写作（全国通用）

高中英语写作从零开始专题05 巧用名词性从句核心概念：什么是名词性从句？1. 主语从句 - 从句在句中作主语。2. 宾语从句 - 从句在句中作宾语。3. 表语从句 - 从句在句中作表语（位于系动词后）。4. 同位语从句 - 从句在句中作同位语，对抽象名词进行解释说明。1. 表达复杂思想：将简单的想法（一个词或一个短语）扩展成一个完整的句子单位，承载更丰富的信息。2. 提升句子层次：使句子结构多变，富有节奏感，彰显语言功底。3. 使逻辑更严密：清晰表达观点、事实、原因、方式等，让论述更有力。名词性从句主语从句宾语从句表语从句同位语从句主语从句在句中作主语宾语从句在句中作宾语同位语从句在句中作同位语表语从句在句中作表语1. That he will come is certain. 2. I know that he will come. 3. The truth is that I have been there. 4. The fact that she was late surprised us. 主语从句宾语从句表语从句同位语从句主语从句在复合句中充当____语；表语从句在复合句中充当____语，一般在______ 后；宾语从句在复合句中充当____语，且一般在_______ 或____ 后。同位语从句一般在_____后，解释或补充说明该名词内容。宾主表系动词及物动词介词位置，概念名词请判断出下列的句子属于哪种从句1. What I want to do is taking a bath.2. The news that they won the game spread through the whole school.3. I don’t think he is an honest boy.4. The fact is that he stole the car.5. Do you know the fact that he stole the car?6. It is said that they won the game.(主从)(同位语从句)(宾从)(表从)(同位语从句)(主从)如何判断名词性从句从句所在的位置主语从句: 1. 通常位于谓语动词(主句谓语)之前的句子2. It 作形式主语，主语从句后置1. What I want to do is to go shopping.2. It is necessary that everyone should be responsible for environmental protection.宾语从句: 1. 通常位于及物动词，介词和形容词后的句子2. It 作形式宾语，宾语从句后置I don’t think that he is an honest boy.She felt it important that everyone should be on time.如何判断名词性从句从句所在的位置如何判断名词性从句从句所在的位置表语从句: 位于系动词后的句子The problem is what he has done to the little boy.1. 状态保持类: be, remain, stay, keep2. 感官类: look, smell, taste, sound, feel3. 变化类; become, turn, grow, fall, go...4. 好像似乎类: seem, appear5. 证明类: prove, turn out如何判断名词性从句从句所在的位置同位语从句: 位于具有丰富内涵的名词后的句子，对该名词进行解释说明。She had a feeling that she was being watched.核心概念：名词性从句的引导词从属连词 只起连接作用，在从句中不充当任何成分。 that (无词义)， whether (是否)， if (是否，多用于口语)连接代词 既有连接作用，又在从句中充当主语、宾语、表语等。 who, whom, what, which, whose连接副词 既有连接作用，又在从句中充当状语。 when, where, how, whythat (无意义；但不省) if, whether (不充当句子成分，只起连接作用, “是否”) as if, as though, because(多用于表语从句)who/whoever, what/whatever which/whichever, whom, whose作主/宾/表/定When/whenever, where/wherever, how/however, why作状语从属连词连接代词 连接副词 核心概念：名词性从句的引导词(1)从属连词的用法从句不缺主宾表定核心概念：名词性从句的引导词if与whether的区别1.if 只能引导两种名词性从句：宾语从句、不放于句首的主语从句。whether四种从句均可以引导。2.在介词后的宾语从句中用whether, 不用if3.whether or not 连在一起可以，但if不可以。而 “whether...or not = if ...or not”4. discuss / decide后必须用whether引导宾语从句。5. 跟不定式连在一起使用时用whether，不用ifif与whether的区别1. I asked her __________ she had a bike.2.________ we will hold a party in the open air tomorrow depends onthe weather.3. We’re worried about ________ he is safe.4. I don’t know ___________ he is well or not.5. I don’t know ________ or not he is well.6. The question is _________ he should do it.7.The doctor can hardly answer the question______ the old man willrecover soon.8. It remains to be seen　　    ___the newly formed committee’s policy can be put into practice.whether / ifWhether whetherwhether whether / ifwhether whether whether (2)连接代词的用法从句缺主/宾/表/定(3)连接副词的用法从句不缺主/宾/表/定连接词1.从属连词2.连接代词 3.连接副词类型和功能1.主语从句 （主语）2.宾语从句 （宾语）3.表语从句 （表语）4.同位语从句 （同位语）SummarizeDefinition: 名词性从句是在句子中起名词作用的句子，根据在句中不同的语法功能，可以分为四类。it作形式主语和形式宾语because、as if、as thoughwhether和if均可用于宾语从句，但在主语从句、表语从句和同位语从句中一般只用whether。缺什么补什么:看从句中缺少什么成分，根据意思选择适当连接词语；如不缺成分且句意完整，则选用______,句意不完整，需要“是否”的意思则选__________ 缺主宾表，根据句意选 ____ , _____________ , _______ _______缺状语，根据句意选_____, _____, _____,_____, 一找二查三选从句从句缺少什么成分意思适合的连接词连接词使用总原则：whether/ifthatwhatWho/whom/whichwhenwherewhyhowwhose定语1. 主语从句 - 开篇明义，突出焦点结构： 主语从句 + 谓语 + 其他· That he will succeed is certain. （That 只起连接作用，无词义，不充当成分） · 写作点拨： 直接有力地陈述一个事实或观点，比 "His success is certain." 更正式。【写作高级技巧】："It" 作形式主语当主语从句较长时，为避免头重脚轻，常用 It is + 形容词/名词/过去分词 + that 从句 的结构。· 普通：That we should protect the environment is important.· 高级：It is important that we should protect the environment.· 常用句型：· It is clear/obvious/true that... 很明显/真实的是... · It is important/necessary that... ...是重要的/必要的 · It is said/reported/believed that... 据说/据报道/人们相信... · It is a pity/a fact that... 遗憾的是/事实是...名词性从句之主语从句(主语从句+谓语+其它)1. Who will win the match is still unknown. 2. Where the English evening will be held has not yet been announced. 3. That he stole a bike was true. 4. What he wants to tell us is not clear. who引导的主语从句，在从句中作主语where引导的主语从句，在从句中作状语that引导的主语从句，在从句中不做成分what引导的主语从句，在从句中作宾语1. (1)单个主语从句作主语时，谓语动词用单数形式。若是两个或两个以上主语从句作主语，谓语动词则用复数形式。Where and when he was born has not been found. When the person was murdered and why he was murdered are still unknown.2.有时为避免句子头重脚轻，用it 代替主语作形式主语放句首，而把主语从句置于句末。主句的谓语动词一般用单数形式。常用句型如下①It + be + n. (no wonder, an honor, a pity, no surprise...)+ 主从②It + be + adj. (true, wonderful, possible, good...)+主从③It + be + done (said, reported, thought, expected...)+ 主从④It +特殊动词 (seem, appear, happen, occur to, matter)+ 主从It is a pity that I missed the party held last night.It is true that the college will take in more new students.It is reported that the accident was caused by carelessness.It seems strange that he should have done a thing like that.3. that引导主语从句，无词义，只起引导作用，不可省1. __________ the earth goes around the sun is known to all.2. It is no wonder ________ he didn’t want to go.3. _________ they will put off the meeting hasn’t been decided.4. ________ we can’t get seems better than what we have.5. _________ leaves the room last should turn off the lights.6. ________ he didn’t come here is not clear to everyone.7.________is so breathtaking about the experience is the out-of-this-world （超凡脱俗的）scenes. ThatthatWhetherWhatWhoeverWhyWhat主语从句练习2. 宾语从句 - 最常用，丰富及物动词的内容结构： 主语 + 谓语动词 + 宾语从句· I believe (that) honesty is the best policy. （在动词believe后，that可省略） · 写作点拨： 用于表达观点、信念，是议论文的常用句式。· Can you tell me where the bus station is? （where 在从句中作地点状语）· I wonder how he solved the problem. （how 在从句中作方式状语） · 写作点拨： 用于引出疑问或思考，增加文章的探索性。【写作高级技巧】：宾语从句与“介词”和“形容词”的搭配· 介词后： We are talking about whether we should join the club. (about是介词)· 形容词后： I am sure (that) you will make it. (sure是形容词)名词性从句之宾语从句(主语+谓语(vt. / prep./ adj.)+宾从)1. He is a good student except that he is a little bit careless.2. I want to know what he has told you.3. I am entirely confident that you will get ahead in your study.4. She will give whoever needs help a warm support.that引导的宾语从句，在从句中不充当成分what引导的宾语从句，在从句中充当宾语成分that引导的宾语从句，在从句中不充当成分whoever引导的宾语从句，在从句中充当主语成分特别提示:①that一般不能充当介词宾语, 但可充当except, in, besides的宾语②动词后有多个that引导的宾语从句时，只有第一个that可省，从第二个开始不可省He told me (that) he had to leave and that he would be back soon.③宾语从句前有插入语时We hope, on the contrary, that he will stay at home with us.1. that引导宾从时，可省。但下面情况中不能省2. it作形式宾语that引导宾语从句作真正的宾语a. 某些动词+it(宾语)+宾补, it作形式宾语, 将that引导的宾语从句后置。这类动词有find, think, consider, believe, guess, suppose, make等。He has made it clear that the meeting will not be postponed.b. hate, like, dislike, appreciate, enjoy等表示“喜欢”、“厌恶”的动词以及一些动词短语see to, depend on, rely on等常用it作形式宾语，宾语从句后置。I shall see to it that he is taken good care of when you are absent.3. 当主句是I/ We + think / suppose / expect / believe / guess / imagine时，其后的宾语从句如果是否定形式，常把否定词not从从句中转移到主句中成为否定的转移。 We don’t believe that he will win the game. I don’t think he will do so. 4. doubt用于肯定句时，后面用whether/ if 引导名词性从句；用于否定句或疑问句时，后面用that引导名词性从句。be sure用于肯定句或疑问句时，后接that引导的名词性从句；用于否定句时，后接whether/if 引导的名词性从句。I doubt __________ he can swim across the river.I don’t doubt _______ they can finish the task on time.Do you doubt ____ she will succeed?whether / if thatthat1. 当主句是一般现在时，从句根据实际情况使用任何时态。The headmaster hopes that everything ( go) well.I don’t think it ( rain ) tomorrow.2. 当主句是一般过去时，从句用过去的某种时态。时态的呼应He said that he (be) worried about his son.3. 当从句表示的是一个客观真理或者不变的事实时，宾从用一般现在时。The teacher told us that light (travel) faster than sound.goeswill rainwastravels1. It all depends on they will support us.2. Everyone knew Andy was a famous writer, but no one knew she came from.3. I don’t know they want to buy.4. I know that he (join) the Party last year.5. I wonder where they ( go) tomorrow.6. The teacher wanted to know how you (get) along with your classmates.宾语从句Practicewhetherthatwherewhatjoinedwill gogot3. 表语从句 - 定义与阐释，位于系动词后结构： 主语 + 系动词 + 表语从句· The problem is that we lack experience. （that 引导，对problem进行说明） · 写作点拨： 直指问题核心，常用于分析原因。· That is why I disagree with you. （why 引导，解释“那就是...的原因”） · 写作点拨： 强有力的总结句，常用于段落结尾。· It seems as if it is going to rain. （as if 引导，表示“好像”）名词性从句之表语从句(主语+系动词+表语从句)The fact is that we have lost the game.That’s just what I want. This is where our problem lies. That is why he didn’t come to the meeting.that引导的表语从句，在从句中不充当成分what引导的表语从句，在从句中充当want的宾语where引导的表语从句，在从句中充当状语成分why引导的表语从句，在从句中充当状语成分特别提示:①that引导表语从句，无词义，只起连接作用，不可省②That’s why+(结果) “那就是...的原因”That’s why I was late for school.③That’s / This is because +(原因) “这是因为...”He didn’t come. That’s because he had to help his sister with homework.特别提示:④当主语是reason时，表语从句要用that引导，不用becauseThe reason why he was late for school is that he missed the early bus.4. 同位语从句 - 解释抽象名词，使内容具体化结构： 抽象名词 + that + 完整的陈述句（关键： that在从句中不充当任何成分，只起连接作用，且不能省略。）常见的抽象名词：news, idea, fact, promise, question, doubt, thought, hope, message, possibility, belief等。· The news that our team had won made us excited. · 分析： "that our team had won" 解释了 "news" 的具体内容。从句本身结构完整，不缺成分。· I have no idea when he will come back.· There is no doubt that he is guilty. · 写作点拨： 这是一个非常有力的论证句式。名词性从句之同位语从句(...n.+同位语从句)1. I gave her a promise that I would come back after two days.2. The news that he couldn’t come makes us upset.3. Whatever gave you the idea that I can sing?4.I have no idea whether /when/how he will come.that引导的同位语从句，在从句中不充当成分whether/when/how引导的同位语从句，在从句中充当状语that引导的同位语从句，在从句中不充当成分that引导的同位语从句，在从句中不充当成分特别提示:①同位语从句是对前面名词的进一步解释，说明该名词的内容。解释说明的名词有:advice, doubt, demand, hope, question, news, request, problem, order, idea, fact, promise, suggestion, belief, truth, evidence, message, information 等含有丰富内涵的抽象名词特别提示:②who，what，whose，which通常不引导同位语从句。③that引导同位语从句，无词义，只起引导作用，不可省。④同位语从句有时不紧跟在它说明的名词后面，而是被别的词隔开。He got the news from Mary that the sports meeting was put off.Word came that our team won the game.The news that Lu Han got married made me very happy. Structure:抽象名词 + 引导词 + 同位语从句 news that抽象名词 引导词 同位语从句2. 同位语从句的定义及结构：在复合句中，同位语从句跟在_______词后面，并对其内容进行___________，即该从句在复合句中充当__________语，意为_____________________。名解释说明同位即......1.Yesterday, word came that they won the football game. 2.A thought came to my mind that we should have a rest . 3.The fact can’t be ignored that he is an honest boy. word that thought that fact that 同位语从句引导词可以不紧跟先行词(抽象名词)，而被动词隔开。注意Word came that… 消息传来说…News came that… 消息传来说…A story goes that… 传说…A saying goes that…有一句谚语说…常见句式分隔式同位语从句的常见句式The news (that) they told us cheered us all.The news that they won the competition cheered us all.同位语从句 和定语从句的区别抽象名词名词无限制，也可是代词同位关系：对名词进行补充说明所属关系：对名词进行修饰, 加以限定连接作用，不作成分连接作用，宾语和主语that不能省略宾that可以省略同位语定语从句1. The suggestion ___________he raised at the meeting is very good.2. The suggestion ____________the students (should) have plenty of exercise is very good.(which/that)that总结要掌握名词性从句，请记住以下步骤：1. 看整个从句在主句中做什么成分（主、宾、表、同)，从而确定从句名称。 2. 看从句本身是否完整。a. 若从句完整（不缺主宾表定)考虑用从属连词和连接副词b. 若从句不完整（缺主宾表定）考虑用连接代词长句翻译1. 我们是否能按时完成任务取决于大家的共同努力。（主语从句）2. 我想知道你是否愿意和我们一起参加周末的志愿者活动。（宾语从句）3. 他在演讲中提到的内容给我留下了深刻的印象。（主语从句）4. 事实是，很多年轻人都面临着巨大的学业和工作压力。（表语从句）5. 老师建议我们每天花半小时练习英语口语。（宾语从句）6. 谁能获得这次奖学金还没有最终确定。（主语从句）7. 我的观点是，环境保护应该从我们身边的小事做起。（表语从句）8. 她问我最近是否读过一本关于人工智能的新书。（宾语从句）9. 我们最需要的是相互理解和支持，而不是指责。（主语从句）10. 消息传来，我们的球队在总决赛中获得了冠军。（同位语从句）长句翻译1. Whether we can finish the task on time depends on the joint efforts of everyone.（主语从句，whether引导主语从句，表“是否”，不可用if替换）2. I wonder if/whether you are willing to participate in the weekend volunteer activity with us.（宾语从句，if/whether表“是否”，位于wonder后，从句用陈述语序）3. What he mentioned in the speech left a deep impression on me.（主语从句，what引导主语从句，在从句中作宾语，表“所提到的内容”）4. The fact is that many young people are facing great academic and work pressure.（表语从句，that引导表语从句，解释主语fact的具体内容，不可省略）5. The teacher suggested that we should spend half an hour practicing oral English every day.（宾语从句，suggest后宾语从句，用虚拟语气“should+动词原形”，should可省）长句翻译6. Who can get this scholarship has not been finally determined.（主语从句，who引导主语从句，在从句中作主语，表“谁”）7. My view is that environmental protection should start with small things around us.（表语从句，that引导表语从句，解释主语view的具体内容，无含义）8. She asked me if/whether I had read a new book about artificial intelligence recently.（宾语从句，if/whether表“是否”，从句用陈述语序，时态与主句一致）9. What we need most is mutual understanding and support rather than blame.（主语从句，what引导主语从句，在从句中作宾语，表“我们最需要的东西”）10. The news came that our team won the championship in the final.（同位语从句，that引导同位语从句，解释news的具体内容，分隔式同位语）长句翻译11. 我不确定他明天是否会来参加我们的研讨会。（宾语从句）12. 为什么他突然改变主意仍然是一个谜。（主语从句）13. 父母的期望是我们能成为有责任感、有爱心的人。（表语从句）14. 请告诉我你在国外学习时遇到的最大挑战是什么。（宾语从句）15. 他能在这么短的时间内掌握一门新语言，这让所有人都很惊讶。（主语从句）16. 关于我们是否应该扩大公司规模的问题，还需要进一步讨论。（同位语从句）17. 我相信只要我们齐心协力，就没有克服不了的困难。（宾语从句）18. 最让我感动的是他在困境中仍然保持积极乐观的态度。（主语从句）19. 医生提醒我们，均衡饮食和规律运动对健康至关重要。（宾语从句）20. 那个古老城堡背后有一个传说，说它隐藏着一笔巨大的财富。（同位语从句）长句翻译11. I’m not sure if/whether he will come to our seminar tomorrow.（宾语从句，if/whether表“是否”，位于be not sure后，两者可互换）12. Why he suddenly changed his mind remains a mystery.（主语从句，why引导主语从句，表“为什么”，从句用陈述语序）13. Parents’ expectation is that we can become responsible and caring people.（表语从句，that引导表语从句，解释主语expectation的具体内容，无含义）14. Please tell me what the biggest challenge you encountered when studying abroad was.（宾语从句，what引导宾语从句，从句用陈述语序，疑问词后接定语从句）15. That he could master a new language in such a short time surprised everyone.（主语从句，that引导主语从句，从句语义完整，起连接作用）长句翻译16. The question whether we should expand the company’s scale needs further discussion.（同位语从句，whether引导同位语从句，解释question的具体内容，表“是否”）17. I believe that as long as we work together, there are no difficulties that cannot be overcome.（宾语从句，that引导宾语从句，位于及物动词believe后，可省略）18. What moved me most is that he still maintained a positive and optimistic attitude in difficulties.（主语从句+表语从句，what引导主语从句作主语，that引导表语从句）19. The doctor reminded us that a balanced diet and regular exercise are crucial to health.（宾语从句，that引导宾语从句，位于及物动词reminded后，可省略）20. There is a legend behind that ancient castle that it hides a great fortune.（同位语从句，that引导同位语从句，解释legend的具体内容，分隔式同位语）高中英语写作从零开始谢谢观看