名词性从句总结

名词性从句总结是英语语法中一个重要的概念，它在句子中充当名词的角色，并具有相应的句子结构和功能。

在本文中，我们将对进行总结和探讨。

一、的概述是由连接词引导的从句，用作名词的成分，可以在句中充当主语、宾语、表语或介词宾语，起到连接主句和从句的作用。

通常由“that、whether/if、who、whom、which、whose、when、where、why、how”等连接词引导。

二、主语从句主语从句在句中充当主语的角色，常以“that、whether/if、who、which、what、whom、whoever、whatever、whichever”等引导。

例如，“What he said is true.”（他所说的是真的。

）三、宾语从句宾语从句在句中充当动词的宾语，常以“that、whether/if、who、which、what、whom、whoever、whatever、whichever”等引导。

例如，“I don't know what he wants.”（我不知道他想要什么。

）四、表语从句表语从句在句中充当表语的角色，常以“that、whether/if、who、which、what、whom、whoever、whatever、whichever”等引导。

例如，“The important thing is that you try your best.”（重要的是你尽力。

）五、介词宾语从句介词宾语从句在句中充当介词的宾语，常以“that、whether/if、who、which、what、whom、whoever、whatever、which ever”等引导。

例如，“I'm not sure about what he is talking about.”（我不确定他在谈论什么。

）六、特殊疑问词引导的特殊疑问词如“who、whom、whose、which、what、when、where、why、how”等引导的通常用来回答特殊疑问句。

名词性从句的种类及用法名词性从句是指在一个句子中，作为主语、宾语、表语或同位语的从句。

名词性从句分为主语从句、宾语从句、表语从句和同位语从句，它们在句子中扮演不同的角色，起着连接不同句子成分的作用。

本文将介绍名词性从句的种类及其用法，帮助读者理解和运用这一语法结构。

一、主语从句主语从句在句子中充当主语的角色，常常由连接词that引导，也可以由特定的连接词如whether, if, what, whatever等引导。

示例句子如下：1. That he is a talented musician is known to all.所有人都知道他是一个有才华的音乐家。

2. Whether he will come to the party is still uncertain.他是否会来参加派对还不确定。

主语从句常常出现在it is/was +从句结构中，以强调句子的主语。

例如：1. It is important to keep calm in an emergency.紧急情况下保持冷静是很重要的。

2. It was unexpected that she failed the exam.她考试不及格出乎意料。

二、宾语从句宾语从句在句子中充当宾语的角色，通常由连接词that, if, whether, what, who, whom, whose, which等引导。

示例句子如下：1. She asked me where I had been.她问我去哪儿了。

2. They don't know whether he will attend the meeting.他们不知道他是否会出席会议。

有些动词或表达方式常常用宾语从句作为宾语，例如：believe, think, hope, expect, know, understand, suggest等。

例如：1. I believe that honesty is the best policy.我相信诚实是上策。

英语句子基本结构I（主） love （谓）you（宾）主谓宾I am（系动词） a police.（表语）主系表系动词：be 成为：become 看起来：seem appear look表示变化： go get turn run fall grow 感官：feel taste smell look sound 表示状态：remain stay keep lie stand prove名词性从句：主语从句、宾语从句、表语从句、同位语从句名词性从句就是用一个结构完整句子来代替原先在主语、宾语、表语位置的名词。

一、主语从句1、It 【 (be动词+形容词/名词/过去分词)、动词】 that ……Eg：It is natural that they get married finally. 他们最后结婚了是很自然的事情。

It is out of expectation that they get married finally. 他们最后结婚了是令人出乎意料的事情。

It is a good day that we can enjoy our holiday. 这是个令我们都能享受好天气的日子。

It is reported that he is chosen as the new president of US. 根据报导他成为了新的美国总统。

It seems that she is satisfied with her work. 看起来她对她的工作很满意。

It 充当形式主语，代替的是that 后面的部分。

That不充当句子成分。

2、what在主语从句中充当成分What you said is very important. [ 还原回来是 you said what，证明what充当成分 ]二、宾语从句主语+谓语+从句（从句充当宾语）1、动词（+介词）/形容词 +宾语从句We heard that they got married. 我听说他们结婚了。

名词性从句的引导词总结名词性从句是英语语法中的重要部分，它可以在句子中作主语、宾语、表语等成分，起到连接主句和从句的作用。

在引导名词性从句时，我们需要使用特定的引导词。

本文将总结各种名词性从句的引导词，并对其用法进行详细说明。

一、作主语的引导词1. That：常用于表达具体事实、真理或观点。

例如：- That he is a talented singer is widely known.众所周知，他是一个有才华的歌手。

2. Whether：用于引导一个选择性从句。

例如：- Whether he will come or not remains uncertain.他是否会来仍然不确定。

3. If：同样用于引导一个选择性从句，常用于陈述句中。

例如：- If it rains, we will stay indoors.如果下雨的话，我们会呆在室内。

二、作宾语的引导词1. That：常用于表示陈述、命令、建议等。

例如：- She believes that he is innocent.她相信他是无辜的。

2. Whether：用于引导宾语从句，表示选择或疑问。

例如： - I'm still not sure whether he likes me or not.我仍然不确定他是否喜欢我。

3. If：常用于引导有关条件的名词性从句。

例如：- He asked if she could lend him some money.他问她是否能借他一些钱。

三、作表语的引导词1. That：常用于表示事实、观点等。

例如：- The problem is that we don't have enough time.问题是我们没有足够时间。

2. Whether：常用于表示选择或疑问。

例如：- The question is whether we should go by car or by train.问题是我们应该坐车还是坐火车。

名词性从句一、概述在句子中起名词作用的从句称为名词性从句。

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、介词宾语等，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。

二、名词性从句的引导词1、连接代词：who, whom, whose, what, which, whoever, whatever 有词义，在从句中担任成分，如主语、表语、宾语、或定语等。

2、连接副词：when, where, why, how等有词义，在从句中担任成分，作状语。

3、从属连词: that, whether, if, as if, because (as if, because 只引导表语从句)三、用法详解（一）主语从句1、主语从句用连接代词、连接副词和从属连词that, whether引导。

that不可省略。

That you don’t like him has nothing to do with me.Whether John can do the experiment remains a question.Who will be sent abroad to further his studies is not announced. What surprised me most was that such a little girl can play the violin so well.2、当主语过长时，常常用it作形式主语，而把真正的主语从句放在主句后面。

常用句型有：1)It +be +形容词（true, possible, certain, likely, surprising, strange, import ant…）+ that从句It’s certain that she will do well in the exam.It’s likely that he will tell me everything about that night.2)It +be +名词词组（no wonder, an honor, a pity等）+that 从句It’s a pity that he can’t come.3)It +be +过去分词（said, reported, expected, supposed）+that 从句It’s said that he is quite self-confident.It’s reported that a letter from the university has reached him.4)It +seem/ happen/look as if等+that从句tIt seems that Alice is not coming.It happened that I was a witness to the accident.5)It +does n’t matter(make no difference)+wh-It doesn’t matter whether you know my name or not.It makes no difference to me where we shall have the meeting.1.____ is a fact that English is being accepted as an international language. A. There B. This C. That D. It2. It’s obvious to the students _____ they should get well prepared for their future .A．as B. which C. whether D. that3. It worried her a bit ______her hair was turning grey.A. whileB. ifC. thatD. for4. Does _______ matter if he can't finish the job on time?A. thisB. thatC. heD. it （二）宾语从句1、宾语从句用连接代词、连接副词和从属连词that, whether, if 引导。

名词性从句在句子中起名词作用的句子叫名词从句(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，形容词宾语等。

因此按照它在句中不同的语法功能，名词性从句又可别离称为主语从句、宾语从句、表语从句和同位语从句。

主要考查语序问题，连接词的选用，时态呼应等。

◆名词性从句的一路点：1）主句和从句之间不能用逗号隔开2）从句部份用陈述句语序◆引导名词性从句的连接词可分为三类：连接词：that, whether ,if 不充当从句的任何成份连接代词：what, whatever( anything that), who, whom,whoever (anyone who), whose, which,whichever连接副词：when, where, how, why一 . 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，连接代词what，who，which，whatever，whoever和连接副词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份。

That she is still alive is a miracle.It doesn’t matter whether they will come or not.It occurred to him that he failed in the examination.What he wants to tell us is not clear.Who will win the match is still unknown.Whichever book you like would be bought for you as a present.Whatever I do is for the good of you.Whoever leaves the room last ought toturn off the lights.When we should close the shop on the holiday has not been decided.Where the meeting will be held has not yet been announced.It is known to us how he became a writer.Why he did so has not been clear.★有时为避免句子头重脚轻，常常利用形式主语it代替主语从句作形式主语，而把主语从句置于句末。

名词性从句知识点总结名词性从句是指在一个句子中扮演名词的角色，作为主语、宾语、表语等成分的从句。

在英语语法中，名词性从句是一个重要的语法结构，掌握好名词性从句的知识点对于提高英语语言水平和理解复杂句子非常有帮助。

本文将对名词性从句的几个主要知识点进行总结。

1. 定义和特点名词性从句是一种从句类型，它在句子中充当名词的角色，可以作为主语、宾语、表语等。

名词性从句通常由连接词引导，如that、whether、if、who、whom、whose、which等。

2. 主语从句主语从句在句子中作为主语，常用连接词that引导。

例如：That heis late is a common problem.（他迟到是个常见问题。

）3. 宾语从句宾语从句在句子中作为动词的宾语，通常由连接词that、whether、if引导。

例如：She asked me if I could help her.（她问我是否能帮她。

）4. 表语从句表语从句在句子中作为表语，常用连接词that引导。

例如：The important thing is that you are safe.（重要的是你安全。

）5. 同位语从句同位语从句在句子中作为对某个名词或代词的解释或说明，通常由连接词that引导。

例如：The fact that she passed the exam is a relief.（她通过考试的事实令人松了一口气。

）6. 后置定语从句后置定语从句在句子中作为对名词或代词的修饰，通常由关系代词引导。

例如：The book that she recommended is very interesting.（她推荐的那本书非常有趣。

）7. 时间状语从句时间状语从句在句子中作为一个时间状语来修饰动词，常用连接词when、while、as、before、after等引导。

例如：He arrived home before it got dark.（在天黑之前他回到了家。

名词性从句的引导词和结构总结名词性从句是一个句子的成分，在句子中充当名词的作用。

引导名词性从句的词语被称为引导词或连接词，包括关系代词、关系副词、连接代词和连接副词等。

本文将总结常见的名词性从句引导词和结构，以帮助读者更好地理解和运用名词性从句。

一、关系代词引导的名词性从句1. 关系代词“that”作为名词性从句的引导词，在句中可以充当主语、宾语、表语或定语。

例如：- He said that he would come to the party.（主语）- Could you please tell me where he went?（宾语）- The truth is that he is not qualified for the job.（表语）- I finally found the book that I was looking for.（定语）2. 关系代词“who/whom”用于指人的名词性从句引导词，其中“who”用作主语或表语，“whom”用作宾语。

例如：- He is the person who won the competition.（主语）- Do you know the girl whom I met yesterday?（宾语）- The man who is standing over there is my uncle.（定语）3. 关系代词“which”用于指物的名词性从句引导词，可用作主语、宾语、表语或定语。

例如：- This is the car which I bought last week.（主语）- The book which she recommended is very interesting.（宾语）- The fact that he failed surprised me.（表语）- Can you lend me the pen which is on your desk?（定语）二、关系副词引导的名词性从句1. 关系副词“when”用于表示时间的名词性从句引导词，可以作为主语、宾语或定语。

主语从句主语从句概念：在复合句中用作主语的从句叫主语从句。

主语从句的引导词：通常由常见的连词连接。

主要有：whether, what , whatever, how, that, which, who, whom, whose, when, why, where等。

第一部分：常规主语从句，即句子在复合句中充当一个主语（1）That he finished writing the composition in such a short time surprised us all.（2）Whether we will go for an outing tomorrow remains unknown.（3）Who will be our monitor has't been decided yet.（4）Whom we must study for is a question of great importance.（5）What caused the accident remains unknown.（6）Whatever you did is right.（7）Whose watch was lost is unknown.（8）What we need is time.（9）What we need are good doctors.（10）Where you go has nothing to do with me.（11）when he is going to go to school still remains uncertain.（12）How we find it is unknown.（13）Why he leaves here was a secret.（14）Which one is better still requires a further discussion.小结:（1)引导主语从句的连接词有哪些？（2)连词位于句首不能省略（3)主语从句大多数情况下视为单三,但也有例外,如例9第二部分：为了防止句子头重脚轻，通常把形式主语it放在主语位置，真正主语搁置于句末（1）It is certain that he will win the match.（2）It is true that he has made a very important discovery in chemistry.（3）It is very likely that they will hold a meeting.（4）It is strange that he should do that.（5）It is important that we all should attend the meeting.（6）It is strange that the man should have stuck to his silly ideas.（7）It is a pity that we won't be able to go to the south to spend our summer vacation. （8）It is still a mystery what caused the accident.（9）It is said that he has gone to shanghai.(=He is said to have gone to shanghai) （10）It is known to all that the gun powder was first invented by the Chinese.（11）It is suggested that the work should be done with great care.（12）It seems that he has seen the film.(=He seems to have seen the film)（13）It happened that the two cheats were there. (=The two cheats happened to be there)(14) It is said that the meeting was going to be held in coming February.小结:（1)以that 引出的主语从句,常以形式主语it引导. It is +形容词/名词/某些动词ed + that 从（2) 在有些that从句中要用虚拟语气(should+do/should+have done)例句4,5,6,11.适用于这种规则的主句谓语单词通常用于表达要求，命令，建议等意思的动词后面接宾语从句；或在主语从句中以“It is +V-ed that sb（should) + V原形+ 其它成分”的形式来适用于该法则。

名词性从句的引导词与句型总结在英语语法中，名词性从句是一种功能特殊的从句，它可以在句子中充当名词的作用。

名词性从句通常由引导词引领，不同的引导词在句子结构和功能上有所区别。

本文将总结常用的名词性从句引导词，并对其相应的句型进行细致的阐述。

一、引导词：that1. 作为从句主语名词性从句可以作为主语出现在句子中，that引导的名词性从句在这种情况下常常可以省略。

例句：That he is innocent is beyond doubt.（他的清白是毋庸置疑的。

）2. 作为从句表语名词性从句可以作为表语出现在句子中，强调主语的真实性或状态。

当作表语时，that引导的名词性从句不可省略。

例句：The fact that he is a doctor surprises me.（他是医生这个事实让我感到惊讶。

）3. 作为从句宾语名词性从句可以作为宾语出现在句子中，that引导的名词性从句在这种情况下常常可以省略。

例句：I believe (that) he will come.（我相信他会来。

）二、引导词：if/whether1. 作为宾语从句引导词if/whether引导的从句通常用于表示“是否”的特定情况，常常用在动词之后或介词之后。

例句：He asked me if/whether I had finished my homework.（他问我是否完成了作业。

）2. 作为主语从句引导词if/whether引导的从句可以在句子中充当主语，表达一种条件和假设的关系，常常用于句首。

例句：Whether the plan will succeed is still uncertain.（计划是否成功尚不确定。

）三、引导词：who/whom/which1. 作为宾语从句引导词who/whom/which引导的从句作为宾语出现在句子中，分别表示人、人和物、物三种情况。

例句：He told me who he saw at the party.（他告诉我他在派对上看到了谁。

名词性从句Noun ClauseI本章要点II名词性从句语法点分述一、宾语从句1.引导宾语从句的连接词a.that引导(that可以省略)➢I know (that) most matter has three states（状态）.♥Attention♥宾语从句中that不可省略的情况宾语从句that常可省略，但在以下情况下不能省略1)当主句谓语动词带有两个或两个以上宾语从句时，可以省略第一个that，其他不能省略。

➢I believe (that) you have done your best and that things will get better.2)当it作形式宾语时当宾语从句后跟有宾语补足语时，通常在宾语从句处使用形式宾语it，将真正的宾语从句移至句末。

结构公式：主语+consider/find/make/regard/think/+ it+宾补+ that +句子/ to do sth➢She made it clear to her parents that she would learn to deal with various problems.★小试身手★1)特朗普说得很清楚他想当总统。

(make… clear)2)我们理所当然的认为父母应该爱我们一辈子。

(t ake… for granted)3)consider, we, it, should, that, with, importance, all, of, great, we, theory, combine, practice（连词成句）b.whether / if引导1)在whether …… or not 的固定搭配中，不能用if。

➢I don’t know whether he will study abroad or not.2)在介词后，只能用whether 和特殊疑问词，不能用if。

➢His father is concerned about whether he will be kicked out of school.♥Attention♥if或whether引导的宾语从句时，虽具有疑问意义，但从句语序应用陈述句语序。

高中英语名词性从句知识点总结宾语从句主语从句作及物动词宾语一般不省略放于句首时只用whether作介词宾语可以省略用whether/if均可，但有区别表语从句同位语从句thatXXX（是否）特殊疑问词名词性关系从句一般不省略一般不省略一般不省略只用whether只用whether只用whether注意语序要用陈述语序注意语序要用陈述语序一、that从句1、主语从句1）that从句作主语时，常用it作形式主语，常见的句型有：It+be+形容词（us。

true。

natural。

surprising,good,wonderful,funny,possible,likely,certain,proba ble,etc.）+that从句It+be+名词词组（no wonder。

an honor。

a good thing。

a pity。

no surprise。

etc.）+that从句It+be+曩昔分词（said。

reported。

thought。

expected。

decided。

announced。

arranged,etc.）+that从句2）that可以省略，但that从句位于句首时，that不能省略。

2、宾语从句1）常见的能够接that从句作宾语的动词有see。

say。

know。

imagine。

discover,believe。

tell。

show。

think。

consider。

be sure。

be afraid等。

在能够接复合宾语的动词当前，如think。

make。

consider等，能够用it作方式宾语。

2）That从句一般不能充当介词宾语，偶尔可作except。

in的宾语。

3、表语从句（that不可省略）4、同位语从句连词that引导同位语从句时，应在某些抽象名词之后，如：fact。

hope。

desire,thought。

n。

idea。

news。

problem。

possibility等，对前面的名词起补充说明的作用，that在从句中不担当任何成分，不能省略。

名词性从句总结complex sentence noun clause (名词性从句)（复合句）attributive clause （定语从句）adverbial clause （状语从句）名词性从句1.概念:在句子中起名词作用的句子叫名词从句.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、同位语等,因此根据它在句中不同的语法功能，名词从句可分为主语从句subject clause名词性从句宾语从句object clausenoun clause 表语从句predicative clause同位语从句appositive clause一、主语从句Subject Clauses1.主语从句：从句在句中充当主语成分1). That he will succeed is certain . 他会成功是肯定的2) Whether he will go there is not known .是否他去那儿还不知道3) What he said is not true . 他说的话不是真的4) Whoever comes is welcome.无论谁来都是受欢迎.2.引导词:1）从属连词: that, whether2）疑问代词: what, which, who, whom, whose3）疑问副词: when, where, why, how4）复合关系代词: whatever, whichever, whoever, whomever考点一:主语从句后置!为了避免主语冗长,句子头重脚轻,经常用it作形式主语,主语从句放在后面作真正的主语.例:1）.That we shall be late is certain.-- It‟s certain that we shall be late.2）. That the earth is round is known to all.--It‟s known to all that the earth is round.It 的用法：（形式主语）考点二：主谓一致1. What we used to think impossible now does seem possible. （2006天津）A.isB.wasC.has beenD.will be2. Most of what has been said about the Smiths ______also true of the Johnsons.（2006安徽）A．are B．is C．being D．to be3.When and where the meeting will begin _____(have) not been decided yet .4. When they will start and where they will go ____(have) not been decided yet .总结归纳：1.一个主语从句做主语，谓语动词用单数；2.由两个或多个连接词引导一个主语从句，谓语动词用单数;3如果由and 连接两个或两个以上的主语从句做主语时，谓语动词用复数；4.What引导的主语从句可根据其表语确定单数或复数意义。

名词性从句重要知识点汇总一、总括从句引导词主语从句宾语从句表语从句同位语从句做vt. 宾语做prep.宾语that 一般不可以省略可以省略一般不省略一般不省略一般不省略whether/if 放于句首只用whether用whether/if均可只用whether 只用whether 只用whether特殊疑问词注意语序要用陈述语序名词性关系从句注意语序要用陈述语序二、that 从句（一）主语从句1、that 从句做主语时，常用it作形式主语，常见的句型有：（1）It + be +adj. (obvious, true, natural, surprising, good, wonderful, funny, possible, likely, certain, probable, etc.) + that 从句Eg. It is certain that she will do well in the exam.It is probable that he told her everything.（2）It + be + 过去分词（said, reported, thought, expected, decided, announced, arranged, etc.）+ that 从句Eg. It is said that Mr. Green has arrived in Beijing.It is decided that the meeting has been put off till next Monday.（3）It + be + 名词词组（no wonder, an honor, a good thing, a pity, no surprise, etc.）+ that 从句Eg. It’s no surprise that our team has won the game.经典考题：1、It has been proved _____ eating vegetables in childhood helps to protect you against serious illness in later life.A. ifB. becauseC. whenD. that2、It is obvious to the students ____ they should get well prepared for their future.A. asB.whichC. whetherD. that（二）宾语从句1、在接复合宾语的动词之后，如think, make, consider等，可以用it做形式宾语。

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.第一节知识点讲解顾名思义,主语从句在句子中作主语。

有时本身出现在主语的位置上，也有时出于句子结构的考虑退到句子的尾部,前面用形式主语it代替。

从句作主语时,谓语动词一般为单数形式。

如：What I saw was beyond any verbal description。

That his hair was turning grey worried him a bit。

Why the company denied the contract is still unknown。

When and where the government will build a city square is under discussion.It is pretty annoying that a small part of the machine is missing。

It remains to be seen whether the new novel will be well received。

Tips：主语从句的that绝对不能省去。

因为句子是不能做主语的，故用that引导.若去掉则没有了主语，而宾语从句的that可省。

主语从句:That he is right is known to all of us.宾语从句：We all know (that） he is right.1. It 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，都可用连词that.被强调部分指人时也可用who/whom。

重要知识点总结名词性从句的种类与用法归纳名词性从句是英语语法中的一种重要句子结构，它可以在句子中充当名词的作用。

名词性从句的种类和用法有多种，下面将对其进行详细的总结和归纳。

1. 主语从句（Subject Clause）：主语从句在句子中充当主语的角色，常用的引导词有：that, whether, who, whom, which, what等。

例如：- That he is innocent is beyond doubt.（他是无辜的是毋庸置疑的。

） - Whether she will come to the party is still uncertain.（她是否会来参加派对仍然不确定。

）- Who broke the window is unknown.（谁打碎了窗户不得而知。

）2. 宾语从句（Object Clause）：宾语从句出现在句子中充当动词的宾语，常用的引导词有：that, whether, if, who, whom, which, what, when, where, why, how等。

例如：- He said that he would help me.（他说他会帮助我。

）- I don't know whether he is coming or not.（我不知道他是否会来。

）- She asked me what my favorite color was.（她问我最喜欢的颜色是什么。

）3. 表语从句（Predicate Clause）：表语从句在句子中充当表语的角色，常用的引导词有：that, whether, who, whom, which, what等。

例如：- My belief is that honesty is the best policy.（我的信念是诚实是最好的策略。

）- The question is whether we should continue this project.（问题是我们是否应该继续这个项目。