高考英语一轮复习(语法)名词性从句

名词性从句考点1引导词【考题再现】①(2024·蚌埠模拟) Beijing will carry out measures to help bridge what has become a digital divide for many older people to make sure they share in the benefits of a smart society.①(2024·芜湖模拟) Many of us read poetry simply because we often feel depressed and hopelessly lost, and in poetry we see how beautiful and strange everything is.①(2024·北京丰台模拟) To improve efficiency, a tea-picking robot was made and it is in trial operation now.It can position where the target bud and leaf are and cut them precisely.【要点总结】名词性从句由不同的引导词引导,从句一般保持陈述语序。

引导名词性从句的连接词可分为3类:1.that引导的名词性从句that只起连接主句和从句的作用,在从句中不担任任何成分,本身也没有任何意义。

该从句作主语通常用it 作形式主语,而将从句置于句末。

Scientists have obtained more evidence that plastic is finding its way into the human body.(同位语从句)It is suggested that we should limit the amount of cars to improve our environment. (主语从句)2.wh-词引导的名词性从句wh-词包括who、whom、whose、whoever、what、whatever、which、whichever等连接代词和where、when、why等连接副词。

名词性从句知识清单一、名词性从句的分类1.主语从句：通常在句首，常有it充当形式主语。

2.宾语从句：在动词或介词后。

3.表语从句：在系动词后。

4.同位语从句：在抽象名词后。

二、各个连接词用法及意思。

引导词意思在从句中充当什么成分that 无意思不充当任何成分，只起连接作用whether/if 是否不充当任何成分，只起连接作用because 因为（表从）不充当任何成分，只起连接作用as if= as though好像（表从）不充当任何成分，只起连接作用连接代词what ….的东西；…的事；….的情况；….的话；…的地点；在从句中可充当主语，宾语或表语whatever 任何东西；任何事….在从句中可充当主语，宾语或表语who 谁在从句中可充当主语，whoever 无论谁 在从句中可充当主语， whom 谁（宾格） 在从句中可充当宾语或表语 whomever 无论谁（宾格） 在从句中可充当宾语或表语 which哪一个在从句中可充当主语，宾语或定语whichever 无论哪一个 在从句中可充当主语，宾语或定语whose 谁的 + 名词 在从句中可充当定语 how many 多少 how much多少引导词 意思 在从句中充当什么成分连接副词 when 什么时候 状语where什么地方 why 为什么 how怎样注1 ：whether 与if ：只有在及物动词后引导宾语从句，且不与or not 直接连用时，可以互换。

其余的主，宾，表，同位从句中都用whether. 注2：与how 和what 组合的疑问词也可以引导宾语从句 1. how old: 多大年纪2. how long: （1）多长（距离） （2）时间： 多久3. how often ： 多久一次4. how far :多远5.how deep : 多深6.how soon : 多久，多快（将来时）7.what color 什么颜色8.what size 什么大小码子9.what time 什么时候三、名词性从句中关于连接词的省略问题：只有that引导的宾语从句，且在及物动词后面可以省略，其余所有的连接词都不能省略。

名词性从句知识点梳理第一节相关概念一、定义：在复合句中相当于一个名词，做主语、宾语、表语、同位语的从句。

二、引导词：1. 连词: that, if, whether, as if2. 连接代词: who , what, which, whose, whom以及whoever, whatever, whichever等3. 连接副词: when, where, why, how，whenever, wherever, however等三、各类名词性从句的特征：主语从句表语从句宾语从句同位语从句练习：辨别下列名词性从句的类别。

1.How the book will sell depends on its author.2.John said that he was leaving for London on Wednesday.3.The fact is that he has not been seen recently.4.The fact that he has not been seen recently disturbs everyone in his office.5.He will talk to us about what he saw in U.S.6.It is impossible that I go and attend the meeting.第二节主语从句1．定义：在复合句中作句子主语的从句叫做主语从句。

2．连接词：引导主语从句的连接词有三类：连词that、whether;疑问代词who, what, which，whom, whose, whatever, whoever, whomever, whichever;疑问副词when, where, how, why，however, whenever, wherever等⑴连词that（无词意）, whether(是否), 在从句中不充当句子成分，只起连接作用; whether能引导主语从句，而if不能。

一．概念：名词性从句就相当于一个名词（因为名词可以充当主语，宾语和表语，所以名词性从句包含主语从句，宾语从句和表语从句和同位语从句）二．名词性从句主语从句That she is beautiful is a fact.主语从句系定表宾语从句We know that she is beautiful.主谓宾语从句表语从句 Our opinion is that she is beautiful.主系表语从句同位语从句The opinion that she is beautiful is a fact.主同位语从句系定表三．名词性从句的格式 1. that+陈述句=名词宾1.结构：主语 + 谓语2.语序：陈述句语序3.连接词 :①由that 引导②由if /whether 引导know if / whether Hua likes fish.③由特殊疑问词引导，表示特殊疑问意义 I want to know what time it is now.4.时态①当主句是一般现在时，从句根据情况使用任何时态。

（即：主现从不限）I don’t know (that) she is singing now.②当主句是一般过去时，从句应使用过去某时态(一般过去时,过去进行时，过去将来时，过去完成时)。

He said (that) he was at home. 他说他在家里。

③主句使用一般过去时，但从句表示的是客观真理、自然现象时、从句仍用一般现在时。

The teacher told us light travels faster than sound.一、一般结构：主语+连系动词+表语从句，二、可以接表语从句的词有：①be(being, been, am ,is, are, was, were)（be动词）② feel,look,sound, taste, smell (感官动词）③ stand, lie,remain, keep, stay(保持动词）④bee, get, grow, turn ,go ,prove(变化动词）⑤ seem, appear(表象动词)三、公式：a.由连接词that（无意义）, whether（是否）引导的表语从句这时主句的主语常常是抽象名词，如problem, result, chance, suggestion, question, reason 等，表语从句对主句主语进行说明，解释等。

高考一轮复习--- 名词性从句I.什么是名词性从句?在句子中起名词作用的句子叫名词性从句。

名词从句的功能相当于名词词组, 它在复合句中能充当主语、宾语、介词宾语、表语、同位语等，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。

（判断下列划线部分属于哪种从句）You’ll find taxis waiting at the bus station that you can hire to reach your host family.That’s the new machine whose parts are too small to be seen.I don't believe we've met before, although I must say you do look familiar.What they have said made me happy.I am afraid of what will happen in 2012.My dream is that I will be a teacher one day.The topic that my parents are talking about is very interesting.●主语从句：（用横线划出句子中的主语从句）That he will come and help us is certain．Whether it is true remains a question.Who will do the job has not been decided．When we shall have our sports meet is still a question．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/名词+ that-从句It is certain that your son will do well in his exam．It is doubtful whether the manager knew the details of the plan．b.It + be +名词+ that-从句It is a pity that you didn’t attend the lecture yesterday．It is a surprise that he should win the first prize in the contest.c. It + be + -ed 分词+ that-从句It is said that the professor has already succeeded in carrying out this experiment．It is suggested that each student(should)sing a song in English．d. d. It +不及物动词+ that-分句It seems to me that you object to the plan．It happened that I was not there that day．It suddenly occurred to him that the keys might be left in the car．●宾语从句：（用横线划出句子中的宾语从句，并归纳其类型）Richard hopes (that) the teacher won’t ask him a question．The teacher suggested that we should call off the plan．Success depends on whether we make enough effort．I’m afraid that we can’t get to the airport on time.I’m sure that he’ll win the match..想一想：哪些词后面可能跟宾语从句呢？I think it important that young people master two languages．I consider it necessary that he should improve his pronunciation.I would appreciate it if you could give me the chance.I hate it when someone is talking with their mouth full.You can depend on it that he can manage it.I am counting on it that you will come．She took it for granted that you knew the matter．See to it that the door is safely locked before you go．●表语从句（用横线划出句子中的表语从句，并归纳其类型）My decision is that all of us are to start at 6 o’clock tomorrow morning.The patient looked as if he had been ill for a long time．The reason why she called me is that she will not attend the party．His suggestion is that we(should)set off at once．●同位语从句定义：放在belief; fact; hope; idea; news; report; message; opinion; possibility; problem; suggestion等抽象名词后，用来对这些名词的具体内容作进一步的解释说明，多用that 引导。

高考英语一轮复习——名词性从句（附答案）I. 考点分析名词性从句包括：主语从句、宾语从句、表语从句、同位语从句，多由连词that，wh- 疑问词或由what，whatever等关系代词引导，其中同位语从句在高考考试中最常见。

1. 主语从句1) 主语从句在句子中充当主语，句子的谓语动词用第三人称单数。

如：Why he refused to work with you is still mystery.Whoever comes is welcome.2) 主语从句前的that不能省略，仅起连接作用，有时为了保持句子平衡，that从句后置，而由it作形式主语。

如：That he became a lawyer may have been due to his mother’s influence.It is not true that he has moved to New York.2. 宾语从句在句子中充当宾语，如：I don’t know where the sound came from.Don’t be satisfied with what you have achieved.3．当从句放在系动词be, look, remain, seem等后即构成表语从句。

The trouble is that I have lost his address.It seemed that the night would never end.4. 1) 同位语从句是对与之同位的名词中心词作进一步解释，能接名词性从句的常见名词有: idea, fact, news, belief, hope, evidence, opinion, problem, truth, answer, proposal, theory, decision, discovery, problem, thought, understanding 等。

高考英语一轮复习（语法）——名词性从句名词性从句包括：主语从句、表语从句、宾语从句和同位语从句。

引导名词性从句的连词有：A.连词：that, whether, if（这三个词都不作从句的成分，同时，that无含义，而whether和if都表“是否”）B.疑问代词：who, whom, whose, what, whichC.疑问副词：when, where, why, how（一）主语从句在复合句中充当主语的从句。

1.that引导主语从句that引导主语从句时不同于其他的连词，既无词义也不作成分，只起单纯的连接作用，且通常不可以省。

为了强调that引导的主语从句而置之于句首时，that不可省。

①That the driver could not control his car was obvious.②That she was chosen made us very happy.③That he will come is certain.④That he would take the risk is true.⑤That he should have married her isn't surprising.★通常，that引导主语从句时用it做形式主语，把从句置于句尾，此时that 有时可省。

例如：①It was obvious that the driver could not control his car.②It made us very happy that she was chosen.③It is certain that he will come.④It is true that he would take the risk.⑤It isn't surprising (that) he should have married her.★如果以that从句为主语的句子是疑问句，就只能用先行词it结构。

第2讲名词性从句名词性从句是在句子中起名词作用的句子，它的功能相当于名词词组，它在复合句中可作主语、宾语、表语和同位语，因此名词性从句又可分为主语从句、宾语从句、表语从句和同位语从句。

Many students don’t know what they should do①，but what Xiao Meng wants to do② is earn money.The reason is that she wants to lessen her parents’burden③.It is said that many small companies need graduates to do part-time jobs②.Xiao Meng has applied for two jobs but she is not sure whether she will be employed①.She also wonders when she will be admitted to a college① and which city she will go①.She is anxious for the news that she is admitted to a good university④. [规则感悟]①位于及物动词或形容词之后的从句是宾语从句。

②谓语动词之前的从句为主语从句。

此外，该从句可以用it作形式主语。

③位于be动词之后的从句是表语从句。

④位于抽象名词之后，解释该名词内容的从句为同位语从句。

1．名词性从句的引导词如下表所示引导词功能从属连词that 在从句中不作任何成分，也没有词汇意义whether，if 在从句中不作任何成分，意为“是否”because，as if/though在从句中不作任何成分，分别意为“因为”“好像”连接代词who(ever)，whom(ever)，what(ever)，whose，which(ever)who(ever)和what(ever)在从句中作主语、宾语或表语；whom(ever)在从句中作宾语；which(ever)在从句中作主语、宾语；whose在从句中作定语连接副词when(ever)，where，wherever，why，how(ever)在从句中作状语2．名词性从句的语序是陈述语序Do you know where will the party be held？(×) Do you know where the party will be held？(√) 3．名词性从句的时态(1)当主句是现在时态(一般现在时，现在进行时，现在完成时)时，从句可根据实际情况使用各种时态。

入舵市安恙阳光实验学校语法专题四名词性从句在句子中起名词作用的句子叫名词性从句。

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。

考点一whether 与ifwhether与if 在作“是否”的意思讲时在下列情况下一般只能用whether，不能用if：1．引导主语从句并在句首时。

Whether the meeting will be held tomorrow has not been decided yet.2．引导表语从句和同位语从句时。

We should discuss carefully the question whether we can finish it on time.3．引导从句作介词宾语时。

It all depends on whether they will lend us the money.4．从句后有“or not”时。

I didn't know whether or not he had arrived in Beijing.5．后接动词不定式时。

I don't know whether to go to the party.考点二that，what与which1．that 引导名词性从句时，在从句中不充当任何句子成分，只起连接作用，也没有任何含义；that 引导的宾语从句一般不作介词的宾语（介词but，except，besides，in除外）。

That he failed the exam made me surprised.（主语从句，that不充当从句成分）He is a good student except that he is a little careless.2．what引导名词性从句时，其意义为“……的人/物/数目等”，在从句中充当主语、宾语、表语或定语。

名词性从句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．主语从句主语从句是在主句中作主语的句子，它由连接词引导，通常位于谓语动词之前。

1. 连词：在从句中不充当任何成分，常用见的引导主语从句的连词有三个，即that, whether和if.That he got the first prize excited him much. 他获得一等奖一事使他非常兴奋。

Whether you can succeed or not depends on how hard you work at it. 你能否功取决于你努力的程度。

注意：whether引导的主语从句常用置于句首，表示“是否”之意；if引导主语从句时不置于句首。

2. 连接代词：在从句中起名词或代词的作用，常作从句的主语、宾语、表语或定语，有具体意义且不能省略。

常见的连接代词有who, whom, whose, what, which, whoever, whomever, whatever, whichever.What we should do with the problem is undecided. 我们如何处理这上问题还未作出决定。

3. 连接副词：在从句中起副的作用，常作从句的状语，表示时间、地点、原因、方式等。

常见的连接副词有when, where, how, why, whenever, wherever, however等。

How they will solve the serious problem has not been decided. 他们将如何解决这个严重的问题还没有决定。

Why he did that wasn’t quite clear. 他为什么做那件事还不十分清楚。

高考英语一轮复习之名词性从句1.从句的分类：名词性从句定语从句状语从句2.名词性从句的定义和分类：定义：在句子中充当名词的从句分类：包括主语从句、宾语从句、表语从句、同位语从句3.宾语从句定义：用作宾语的从句叫宾语从句。

构成：主句+连接词+从句在宾语从句后的括号内打“√”，并分析宾语从句的成分。

1.Bill thinks that the races were not interesting to watch ( )2.Bill wonders whether they’ll have zongzi again next year. ( )3.They carry people’s wishes to the families they love and miss ( )4.He warns Scrooge to change his ways if he doesn’t want to end up like him ( )●引导宾语从句的连接词有三类：①当宾语从句是陈述句时，由that引导，that在从句中不作任何成分，没有具体含义，可以省略。

He is a clever boy. I think.___________________________________________________.Do you know?The famous singer will come to Yantai.___________________________________________________.①当宾语从句是一般疑问句时，由whether或if引导，翻译成：“是否”，不能省略。

语序为陈述语序。

Lily wanted to know. Does her grandma like the dog?__________________________________________________.She asked me. Can the boy draw a horse?__________________________________________________.①当宾语从句是特殊疑问句时，由疑问代词（what, who, whom, which, whose）或疑问副词（when, where, how, why）引导，这些疑问词本身在从句中做一定成分不可以省略，语序用陈述语序。

入舵市安恙阳光实验学校名词性从句(计时：35分钟)Ⅰ.语法知识1．(2013·北京卷)Experts believe ________ people can waste less food by shopping only when it is necessary.A. whyB. whereC. thatD. what答案与解析 C believe后面的句子为宾语从句，在这个宾语从句中，句子成分完整，故用that连接。

2．(2013·天津卷)________ I want to tell you is the deep love and respect I have for my parents.A. ThatB. WhichC. WhetherD. What答案与解析 D 句意：我想告诉你的是：我对父母是多么地爱戴和尊敬。

此处为what引导的主语从句，即what I want to tell you, what作tell的直接宾语，故D项正确。

此题考生易误选that, that引导主语从句时不作成分，故不可选。

3．(2014·湖南师大附中月考)When you look at ________ great effects the climate change has on our life, you'll agree that it is the most pressing global problem.A. whichB. howC. whatD. why答案与解析 C 句意：当你看到气候变化对我们的生活有多么大的影响时，你会同意它是最紧迫的全球性问题。

what引导宾语从句，在从句中作定语。

4．(2014·绵阳第一次诊断)Diligence is ________ it takes for the post­90's generation to win competitions.A. whatB. whereC. whichD. when答案与解析 A 句意：勤奋是90后赢得比赛所需要的。