名词从句与定语从句的区别及解题技巧
定语从句与名词性从句的区别
定语从句与名词性从句的区别定语从句和名词性从句在英语语法中扮演着重要的角色，它们都是相对子句，用来修饰名词或充当名词的作用。
尽管这两个从句在表达方式和功能上有所不同，但很多学习者对它们的区别存在一定的困惑。
本文将重点探讨定语从句和名词性从句的区别。
一、定语从句定语从句是一种用来修饰名词或代词的从句，通常用来对主句中的主语或宾语进行进一步的补充说明。
定语从句通常由关系代词（如that, who, whom, whose, which）或关系副词（如where, when, why）引导，位于被修饰的名词或代词之后。
例如：1. The book that is on the table is mine.（那本在桌子上的书是我的。
）2. The boy who is playing basketball is my friend.（正在打篮球的那个男孩是我的朋友。
）3. This is the house where I used to live.（这是我过去住的房子。
）定语从句的特点是：它修饰的名词或代词是主句中的主语或宾语，经常提供更多的信息，进一步限定名词的范围和意义。
定语从句一般不可省略，如果要省略，通常是省略关系代词或关系副词。
二、名词性从句名词性从句是一种用来充当名词在句中的作用的从句。
它可以在句中充当主语、宾语、表语或同位语等成分，用来表示具体的事物、概念、状态或行为等。
名词性从句通常由连接词（如that, whether/if, why, what, who, whom, how等）引导。
例如：1. What he said is true.（他所说的是真的。
）2. I don't know whether it will rain tomorrow.（我不知道明天是否会下雨。
）3. She asked him why he was late.（她问他为什么迟到。
）名词性从句的特点是：它在句中充当名词的作用，可以起到与名词相同的句法和语义作用，如主语、宾语、表语等。
定语从句和名词性从句
定语从句和名词性从句定语从句定语从句（Attributive Clauses）在句中做定语，修饰一个名词或代词，被修饰的名词，词组或代词即先行词。
定语从句通常出现在先行词之后，由关系词（关系代词或关系副词）引出。
关系代词有：who, whom, whose, that, which等。
关系副词有：when, where, why等。
关系代词引导的定语从句关系代词所代替的先行词是人或物的名词或代词，并在句中充当主语、宾语、定语等成分。
关系代词在定语从句中作主语时，从句谓语动词的人称和数要和先行词保持一致。
1）who, whom, that这些词代替的先行词是人的名词或代词，在从句中所起作用如下：Is he the man who/that wants to see you? 他就是想见你的人吗？（who/that在从句中作主语）He is the man whom/that I saw yesterday. 他就是我昨天见的那个人。
（whom/that在从句中作宾语）2）Whose用来指人或物（只用作定语, 若指物，它还可以同of which互换），例如：They rushed over to help the man whose car had broken down. 那人车坏了，大家都跑过去帮忙。
Please pass me the book whose (of which) cover is green. 请递给我那本绿皮的书。
3）which, that它们所代替的先行词是事物的名词或代词，在从句中可作主语、宾语等，例如：A prosperity which / that had never been seen before appears in the countryside. 农村出现了前所未有的繁荣。
（which / that在句中作宾语）The package (which / that) you are carrying is about to come unwrapped. 你拿的包快散了。
定语从句与名词性从句
定语从句与名词性从句定语从句与名词性从句是汉语中常用的两种从句结构。
它们在修饰与引导句子中起到关键的作用，并且丰富了句子的表达方式。
本文将详细介绍定语从句与名词性从句的用法、特点及示例。
一、定语从句定语从句是用来修饰名词或代词的从句，它通常由关系代词或关系副词引导。
定语从句可以进一步说明前面的名词或代词的特征、性质、状态等。
1. 关系代词引导的定语从句关系代词包括：that, which, who, whom, whose等。
关系代词在定语从句中充当主语、宾语、定语等成分。
例如：The book that I borrowed from the library is very interesting.我从图书馆借来的那本书非常有趣。
2. 关系副词引导的定语从句关系副词包括：where, when, why等。
关系副词在定语从句中充当地点状语、时间状语、原因状语等成分。
例如：This is the hotel where we stayed during our vacation.这是我们度假期间入住的酒店。
二、名词性从句名词性从句用来作为句子成分，充当名词的角色，可以在句中担任主语、宾语、表语、同位语等成分。
名词性从句分为以下三种类型：主语从句、宾语从句、表语从句。
1. 主语从句主语从句作为句子的主语出现，通常由连词that引导。
例如：That she won the first prize came as a surprise to everyone.她获得一等奖让大家感到惊讶。
2. 宾语从句宾语从句作为句子的宾语出现，可以由连词that引导，也可省略。
例如：I know (that) he is a teacher.我知道他是一名老师。
3. 表语从句表语从句用来作为主语或宾语的补足语，说明主语或宾语的特征、性质等。
例如：Her dream is that she can travel around the world.她的梦想是能够环游世界。
定语从句名词性从句解题方法
语法填空考查连词主要考查定语从句和名词性从句（除同位语从句）判定方法：一.由主谓动、非谓动、从谓动原理分析句中动词，确定空格缺少连词，应填连词。
二.分清定语从句和名词性从句，使用正确连词定语从句空格前有名词或代词，而且名词/代词与空格后句子有关系（通过翻译），则为定语从句。
那么应该使用引导定语从句的连词，分析定语从句中的从谓动，看从谓动缺主语、宾语还是状语，选择正确的连词（关系词）。
引导定语从句的连词关系代词that/which/who/whom 在句中作主语或宾语(句中从谓动缺主语、宾语)Whose+名词=the +名词+of which/whom 或of which/whom+ the +名词whose 指人的或物的as 在句中作主语或宾语句首、句中、句末使用the same/such…as…为固定搭配关系副词when/where/why=介词+which 作时间、地点、原因状语名词性从句空格前无名词/代词，直接以连词开头为名词性从句（除同位语从句）空格前有名词/代词，但名词/代词通过翻译与空格后句子没有关系，则为名词性从句。
看从谓动缺主语、宾语还是状语，选择正确的连词。
引导名词性从句的连词连接词that/whether(if) 引导一个完整的句子，句中不缺少任何成分，在句中不作句子成分连接代词what/who/whoever/whom(可以被who代替可以不考虑)/which(高考不会考试)/whatever(偶尔会考)/whichever、whomever(不会考试) 必须记住what/who/whoever/这三个Who+句子指sth whoever+句子指sb 翻译确定在句中作主语、宾语，从谓动缺主语、宾语。
连接副词when/where/why/how 在句中作状语，从谓动缺状语。
技巧：名词性从句考试what最多that 其次牢记切记定语从句与同位语从句的区别和判定定语从句名词/代词（先行词）+关系词+不完整的句子缺少句子成分同位语从句醒目的抽象名词+连词that(高考仅考that)+完整的句子（解释说明中心名词的具体内容）醒目的抽象名词有story/news/information/message/advice/suggestion/chance/possibility/wish/hop e/belief/faith/idea/doubt/view/promise/thought/fact/decision/truth/word(消息)/dream等技巧：只要有醒目的名词语法填空不管是定语从句还是同位语从句都填that。
名词性从句与定语从句区别
名词性从句与定语从句的区别•定语从句与名词性从句句式结构用法比较•定语从句常易与主语从句、表语从句、宾语从句和同位语从句等名词性从句相混淆。
判断的方法是：由关系代词或副词引起的句子直接充当句中某一成分，即为名词性从句；如果这个句子修饰前面的一个名词即先行词或指代整个句子的内容，即为定语从句。
••例1. (1) As is known to everyone, the moon travels round the earth once every month.•(2) It is known to everyone that the moon travels round the earth once every month.•比较：(1)两个句子之间有连接词，而且由逗号分隔。
根据前一分句意义“正如大家所知道的(众所周知)”分析，该句应用关系代词as引导非限制性定语从句，指代主句整个句子内容。
•(2)两个句子之间有连接词that连接。
根据句意分析，that所引起的从句为主语从句，故该句应选用it作形式主语置于句首，引导主语从句。
••例2. (1)Shenzhen is no longer what it used to be.•(2) Shenzhen is no longer the place that it used to be.•比较：(1)句中没有充当表语的名词，故应选用代词what(……样子)引起一个表语从句。
•(2)句中表语名词the place 被it used to be所修饰，且充当其句中表语。
故应选用关系代词that指代先行词the place引起一个定语从句。
••例3. (1) Please tell me the reason why he didn't attend the meeting.•(2) Please tell me why he didn't attend the meeting.•比较：(1)句中充当宾语的名词the reason被he didn't attend the meeting所修饰，且充当句中的原因状语。
定语从句与名词性从句的区别
定语从句与名词性从句的区别在英语语法中，定语从句和名词性从句都是从句的一种，它们在句法功能和用法上有一定的区别。
本文将探讨定语从句和名词性从句的区别，帮助读者理解并正确运用这两种从句。
一、定语从句的概念和用法定语从句用来修饰或限定先行词，进一步说明或描述先行词的特征或属性。
定语从句通常由关系代词或关系副词引导，它们在从句中充当某个成分。
定语从句的引导词包括关系代词（如that, who, whom, whose, which）和关系副词（如where, when, why）。
例如：The book that I bought yesterday is very interesting.我昨天买的那本书很有趣。
在这个例子中，定语从句"that I bought yesterday" 修饰先行词 "book"，进一步说明了这本书的购买时间。
二、名词性从句的概念和用法名词性从句在句子中充当名词的角色，它可以作主语、宾语、表语或宾语补足语。
名词性从句通常由连接词引导，包括连词（如that, whether, if）和疑问词（如who, what, when, where, why, how）。
名词性从句的用法主要有以下几种：1. 主语从句Whether he will come is still uncertain.他是否会来仍然不确定。
2. 宾语从句She asked me if I could help her.她问我是否能帮她。
3. 表语从句The question is whether we should go or stay.问题是我们是否应该去还是留下。
4. 宾语补足语从句I know what you mean.我明白你的意思。
名词性从句的引导词根据从句在句子中的功能确定使用何种连接词。
三、定语从句和名词性从句的区别定语从句和名词性从句的区别主要体现在从句的功能上。
定语从句与名词性从句区别
practice for a long time.
(4)She told us her hope that she would become a
Pianist.
在例（1）中，who引导的是一个定语从句，boy是先行词, 但它不能作为同位语从句中被修饰的词．
在例（2）中，he 是先行词，who 引导的是定语从句，he 不可 作为同位语从句中被修饰的词． 在例（3）中，that 引导的是同位语从句。 同样例（4）that 引导的也是同位语从句． 2．When,where,why 如果引导的是定语从句的话，那么它 们的先行词分别是表示时间，地点，和原因的名词；而如果三者 引导同位语从句的话那么被修饰的词,肯定不是表示时间，地点和 原因的名词．例如： (1) Do you still remember the days when we spent the summer holidays in Qingdao? (2) I had no idea when you were here. 在例（1）中，when引导的是一个定语从句，先行词days是表示 时间的词;在例（2）中，when 引导的是一个同位语从句，被修 饰的词是idea，不表示时间．
5.Tom came to the conclusion___by a computer. A.that not all things can be done. B.because of not all things be done. C.being not all things can be done D.because not all things can be done 答案解析: conclusion 后面应跟一个由that 引导的同位语从句, 故选择项A 为答案项. 6.We are living in an age ____many things are done on computer. (03’春招） A.which B.that. C.whose D.when 7.I work in a business___almost everyone is waiting for a great chance.(04’湖南） A.how B.which C.where D.that 答案解析:定语从句不能用how引导,且从句的主谓宾成分完整, 故可排除B和D选项.
名词性从句和定语从句的主要区别
名词性从句和定语从句的主要区别作者：王燕来源：《高中生·高考指导》2013年第01期词性从句和定语从句是高中阶段语法的重点和难点，很多同学不能正确区分这两种从句，导致解题困难。
其实，同学们只要对以下几个方面加以注意，问题就可以迎刃而解。
同学们首先要熟悉这两种从句的概念，因为概念是判断与区分的标准。
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，在复合句中能担任主语、宾语、表语、同位语等成分。
因此，根据它在句中不同的语法功能，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。
定语从句：用来说明主句中某一名词或代词（有时也可说明整个主句或主句中的一部分）而起定语作用的句子叫做定语从句。
定语从句是由关系代词和关系副词引导的从句，其作用是作定语，修饰主句的某个成分，定语从句分为限制性定语从句和非限制性定语从句。
一、成分的区别名词性从句充当句子的主要成分，如主语、宾语、表语或同位语。
例：①Why he didn’t come here is not clear to anyone. （画线部分充当句子的主语）②I wonder whether/ if he is fit for the job. （画线部分充当句子的宾语）③His brother’s health is not what it used to be. （画线部分充当句子的表语）④He got the news from Mary that the sports meeting had been put off.（画线部分充当news的同位语）定语从句充当句子的修饰成分，起修饰作用。
例：①He has two sons who work in the same company. （画线部分修饰two sons）②I had never seen such a good film as I watched last night. （画线部分修饰such a good film）二、引导词的不同引导定语从句的关系词按其在从句中所起的作用分为：关系代词：who，whom，which，that，whose，as关系副词：when，where，why关系代词在从句中充当主语、表语、宾语、定语，而关系副词在从句中只起状语作用。
高考英语：定语从句与名词性从句的区别
高考英语：定语从句与名词性从句的区别定语从句和名词性从句的区别定语从句和名词性从句在语法上有着不同的作用。
定语从句是形容词性的从句，用来修饰先行词并描述其性质和特征。
先行词在定语从句中一般充当主语、宾语、表语、定语或状语，并用关系词代替。
而名词性从句则相当于名词词组，一般用来说明一件事，并在句子中充当主语、表语、宾语或同位语。
例如，下面这道题：It’s good to know _____ the dogs will be well cared for while we’re away.A。
what B。
whose C。
which D。
that答案为D。
动词know之后为宾语从句，从句中不缺少成分，用that表示陈述一个事实。
又如，下面这道题：When I arrived，Bryan took me to see the house ____ Iwould be staying.A。
what B。
when C。
where D。
which答案为C。
空格后是定语从句。
定语从句中stay为不及物动词，不缺主干成分，用关系副词；先行词为house，指地点，用关系副词where。
除此之外，定语从句和名词性从句的引导词也有所不同。
不能用于定语从句中的引导词有what、whether、if、wh-ever、how、because、as if、as though等，而不能用于名词性从句中的引导词有as等。
既可引导定语从句，也可引导名词性从句的引导词有that、who、whom、whose、which、when、why、where等，但引导两种从句时的意义不同。
定语从句的引导词用来代替前面的先行词，在从句中充当某一成分，常被译为“……的”或不译。
在引导名词性从句时，这些引导词常含有疑问之意。
需要注意的是，that引导名词性从句时的从句句意完整。
例如，下面这道题：Mo Yan was awarded the XXX 2012，_____ made one of the Chinese people’s long-held dreams come true.A。
语法全解析定语从句和名词性从句的区别
语法全解析定语从句和名词性从句的区别定语从句和名词性从句是英语语法中的两个重要概念，它们都是句子中的从句，但在用法和功能上存在一些明显的区别。
本文将对定语从句和名词性从句进行全面解析，并详细讨论它们之间的区别。
一、定语从句介绍定语从句是修饰名词或代词的从句，用来进一步说明或限定其指代的名词或代词。
定语从句通常由关系代词或关系副词引导。
如：that, which, who, whom, whose, when, where等。
它可以出现在句中的不同位置，对主句的名词或代词起一个修饰、限定的作用。
二、名词性从句介绍名词性从句是充当名词的从句，可以在句中充当主语、宾语、表语或介词宾语，并且具备名词的一切特征。
名词性从句通常由连接词引导，如that, whether, if, who, whom, whose, what, which等。
名词性从句能够完成与名词或代词相同的功能，是表达复杂意思时的必备工具。
三、定语从句与名词性从句的区别1.功能区别：定语从句是对句子中的名词或代词进行修饰、限定，起到形容词的作用。
而名词性从句则是在句子中充当名词的角色，可以作为主语、宾语等。
例子：定语从句：The car that she bought is very expensive.（修饰名词car）名词性从句：What she bought is a car.（作为主语）2.引导词区别：定语从句通常由关系代词或关系副词引导，而名词性从句则由连接词引导。
例子：定语从句：This is the book that I want to read.（关系代词that）名词性从句：I don't know what I should do.（连接词what）3.位置区别：定语从句可以出现在主句的前面、中间或后面，而名词性从句通常出现在主句的后面。
例子：定语从句：I have a friend who is a doctor.（定语从句在主句之后）名词性从句：I don't know where he lives.（名词性从句在主句之后）4.意义区别：定语从句给主句的名词或代词限定范围，强调特定的事物或人。
高考英语名词性从句和定语从句区别知识点分析
专题（四）名词性从句和定语从句名词性从句名词性从句的语法功能：在句中充当名词成分,也就是说做主语, 宾语,表语, 同位语.于是就形成了主语从句,宾语从句,表语从句和同位语从句.引导名词性从句的引导词可分为三类：一.引导词本身无词义,在从句中无地位. 这类词只有一个,that二.词本身有词义但在从句中无地位, 如:whether , if 和as if三. 词本身有词义且在句中有地位. 如:who , whom , whose , what , which , when , where , why , how例句如下:1). That he suddenly fell ill last week made us surprised .上星期他突然病倒使我们都感到吃惊. ( that 引导主语从句)2). It doesn't matter so much whether you will come or not .你是否来关系不太大. ( whether 引导主语从句, it 作形式主语)3). Who will go is not important .谁要来不重要. (who 引导主语从句)4). The question was who could go there .问题是谁能去那儿. (who 引导表语从句)5). He said ( that ) the text was very important and that we should learn it by heart .他说课文非常重要,我们应当背诵下来. ( 两个that 引导的都是宾语从句)6). The fact that he had not said anything surprised everybody.他什么也没说使大家感到吃惊. ( that 引导同位语从句)运用名词性从句是应当注意的几个问题:1. whether 与if 引导名词性从句是略有区别, if 不能引导主语从句, 不能与or not 连用,不与不定式连用.2. 宾语从句应当注意时态的呼应, 主句为与动词时过去时,宾语从句也应当是过去时(过去完成时,过去进行时, 过去将来时)3.宾语从句否定前移问题: 当主句中有: I think ( suppose , expect , believe , imagine , guess ) 时.应当否定这些词,其实就是对后面从句的否定,应当注意的是主语必须是"I " , 其他主语同于一般动词的否定. 如: I don't think you are right . (我认为你不对.)I don't believe they will win the game . (我相信他们不会赢得这场比赛.)She supposed that we couldn't arrive so early . ( 他认为我们不会到到达如此早.)4. 同位语从句一般用that 引用,先行词一般为: news , fact , idea , suggestion , promise.当先行词为是可以用其他引导词. 如:Everyone knows the fact the earth goes round the sun .( 众所周知地球围绕太阳转.)I have no idea when he will be back . (我不知道他什么时间回来.)练习I. 找出各句中的从句并指出是何种从句1.I don't if I can do it .2. What he is doing seems very difficult .3. The important thing is how we can improve our studies .4. Mr Li always thinks of how he can do more for the people .5. The news that she was pretending to be sick was whispered from one to another .6. I was surprised at what he said .7. That's what you are going to do first .8. That'll be decided who is the monitor of our class at the class meeting .9. When the sports meet is to be held is still under discussion .10. Here comes the news that some foreigners from America will visit our school .答案：1.if I can do it 宾语从句2 What he is doing 主语从句3 how we can improve our studies 表语从句4 how he can do more for the people 介词宾语从句5 that she was pretending to be sick 同位语从句6 what he said 介词宾语从句7 what you are going to do first 表语从句8 who is the monitor of our class at the class meeting宾语从句9 When the sports meet is to be held 主语从句10 that some foreigners from America will visit our school 同位语从句II.把下列各句填入适当的引导词1.---Could you tell me _____ the man is ?--- He is my brother.2. I didn't know _____ he was coming until yesterday .3.----It's still a question ____ we shall have our sports .--- It's said we shall have it next week .4. The news _____ he was chosen made us happy .5. The doctor asked ____ medicine you have taken .6. This is _____ they solved the problems in the city .7._____ our football team will win is uncertain yet .8. _____ frightened us most was _____ two lights appeared suddenly in the darkness .9. My mother asked ____ was the matter with me .10. The reason I didn't come to the meeting was ____ I got ill .答案： 1. who 2. that 3.when 4.that 5.what 6.how 7.Whether 8.What 9. what 10 that III.翻译下列各句1. .肯定他将来参加宴会。
名词性从句与定语从句
名词性从句与定语从句名词性从句和定语从句是英语语法中非常重要的两个概念。
它们是由独立语法结构组成的句子，在句子中分别充当名词性成分和定语。
本文将介绍名词性从句与定语从句的定义、特点以及常见的用法。
一、名词性从句的定义及特点名词性从句是在复合句中充当名词性成分（主语、宾语、表语、同位语）的从句。
它可以由疑问词引导（如who, what, when, where, why, how等），也可以由连接代词（如that, whether等）或连接副词（如when, where, how等）引导。
名词性从句可以在复合句中充当主语。
例如："What you said is true." （你说的是对的。
）名词性从句也可以在复合句中充当宾语。
例如："I don't know what he is talking about."（我不知道他在说什么。
）名词性从句还可以在复合句中充当表语。
例如："The problem is whether we should go or not."（问题是我们是否应该去。
）名词性从句还可以在复合句中充当同位语。
例如："The fact that she passed the exam surprised me."（她及格了这个事实使我感到惊讶。
）二、定语从句的定义及特点定语从句是用来修饰名词或代词的从句。
它是以连接词引导的从句，通常由关系代词（如that, which, who, whom, whose等）或关系副词（如when, where, why等）引导。
定语从句可以在句中修饰人或物。
例如："The book that I borrowed from the library is very interesting."（我从图书馆借的那本书非常有趣。
）定语从句还可以在句中修饰整个句子前面的名词。
定语从句和名词性从句的区别和比较
定语从句和名词性从句考点一关系代词引导的定语从句1．whose是一个表示所属关系的词;在定语从句中作定语;of which可以代替whose 指物;词序一般是名词＋of which或of which＋名词..of whom 可以代替whose指人;词序是名词＋of whom..Many children;whose parents are away working in big cities;are taken good care of in the village.父母亲在大城市里打工的许多孩子在村庄里被照顾的非常好..The old temple whose roof was damaged in a storm is now under repair.那座在暴风雨中屋顶受损的古庙现在正在维修中..2．which;that所代替的先行词是表示事物的名词或代词;在从句中可作主语、宾语等..先行词既有人又有物时;关系代词用that；which代指前面整个句子内容..They talked for about an hour of things and people that they remembered in the school.关于他们记得的上学时的人和事;他们讨论了一小时..The Internet is a huge computer system which/that allows millions of people around the world to share information.因特网是一个庞大的计算机系统;它使得世界上成千上万的人们共享信息成为可能.. 3．who;whom;that这些词代替的先行词是表示人的名词或代词;在从句中可作主语、宾语等..The settlement is home to nearly 1;000 people;many of whom left their village homes for a better life in the city.近千人在这一社区居住;他们当中很多都是从农村老家来城市寻求更好的日子的..考点二介词提前了的定语从句1．与定语从句中的动词构成搭配..In the dark street;there wasn't a single person to whom she could turn for help.在漆黑的大街上没有一个人能为她提供帮助..2．与定语从句所修饰的先行词构成搭配..Patience;without which you can't do the work well;is a kind of quality.耐心是一种品质..没有了耐心;你不能做好工作..3．of＋which/whom表示所属关系..表所属关系也可用whoseRecently I bought an ancient vase;the price of which＝whose pricewas very reasonable.最近我买了个古老的花瓶;它的价钱很合理..考点三关系副词引导的定语从句1．关系副词在定语从句中作状语;when指时间;where指地点;why指原因;在定语从句中分别作时间状语、地点状语和原因状语..Occasions are quite rare when I have time to spend a day with my kids.我有时间和孩子们一起度过一天的机会很少..After graduation I'd like to find a job where I can use what I have learnt at school.毕业后我要找到一份能利用在学校所学知识的一份工作..2．先行词是时间名词或地点名词时;如果在从句中不作状语;则不能用when或where 引导定语从句;而要用which/that..Is this the reasonthat /whichhe gave us for the delay of the project这是他给出工程推迟的原因吗考点四先行词为point; situation; case等的定语从句point;situation;case;activity等;从表面上看它们不是表地点的;但却表示类似地点的意义;因此它们作先行词时;如果引导词在从句中作状语;那么这个引导词要用where；如果不作状语;则用关系代词that/which..It's helpful to put children in a situation where they can see themselves different.where作状语把孩子放在一个能使他们从另外一个角度认识自己的环境中对他们有益..I have reached a point in my life where I am supposed to make decisions of my own.where作状语我已经到了应该自己作决定的那个人生阶段..Now there is just one point that/which I wish you make quite clear.which/that 作宾语现在只有一点我希望你弄清楚..考点五主语从句主语从句在主句中作主语;位于主句谓语动词之前;但多数情况下由it作形式主语;而把真正的主语放在句子的后面;其句型结构为：It＋be＋n./adj.＋that/whether/why/when＋从句..It never occurred to me that you could succeed in persuading him to change his mind.我真的没有想到你能说服他改变主意..It is uncertain what side effect the medicine will bring about;although about two thousand patients have taken it.尽管已经有两千名病人服用了这种药品;但是;这种药品会带来什么副作用还不明确.. Whether there are living creatures in the outer space as those on Earth hasn't been proved up to now.外太空是否存在像地球上一样的生物迄今尚未确定考点六同位语从句1．同位语从句常放在fact;news;idea;truth;hope;problem;information;belief;thought;doubt 等名词的后面;是对前面的名词作进一步的解释;说明前面名词的具体含义..There seems to be no possibility that Li Hua can win the first prize in the 100meter race.看起来似乎李华在一百米比赛中没有可能获得一等奖..There is a popular belief among the Europeans that chicken soup can help cure flu.欧洲人普遍相信鸡汤可以帮助治愈流感..The question has been raised at the meeting whether each member country should equally share the expense of the committee.每一个成员国是否均等分担委员会的费用在会议上提出..I have no idea when he will come back.我不知道他将何时回来..2．同位语从句与定语从句的区别：同位语从句是对前面名词的内容作进一步的解释、说明;引导词只起引导作用;不在句中作任何成分;一般不可省略..定语从句是对前面名词进行修饰、限制;引导词在句中作一定的句子成分..The news that they had won the game soon spread over the whole school.他们赢得比赛的消息很快就传遍了整个学校..此句为同位语从句;进一步解释“the news”的内容The news you told me yesterday was really disappointing.你昨天告诉我的消息真的很令人失望..此句是定语从句;它指的是“你昨天告诉我的那个消息”考点七表语从句表语从句在句中作表语;位于主句的系动词之后..引导表语从句的连词有that;whether;as if；疑问代词有who;what;which；疑问副词where;why;when;how 等..The problem is that we don't have much time left.问题是我们剩下的时间很少.. My question is who is responsible for all this.我的问题是谁对这事负责..考点八“疑问词＋ever”与“no matter＋疑问词”的区别“疑问词＋ever”与“no matter＋疑问词”虽然都有“无论……”的意思;但是用法有区别：“疑问词＋ever”既可以引导名词性从句也可引导状语从句;而“no matter ＋疑问词只能用来引导状语从句..The poor young man is ready to accept whatever help he can get.这位可怜的年青人无论什么样的帮助都乐意接受..The how to book can be of help to whoever wants to do the job.指南类的书对想从事这项工作的人会有帮助..Whatever/No matter what you say ;I will not believe you.无论你说什么;我都不会相信你..语法训练1．2011年高考重庆卷 It is still under discussion________ the old bus station should be replaced with a modern hotel or not.A．whether B．whenC．which D．where解析：本题考查名词性从句..句意：那个旧公交车站是否应该被一家现代化宾馆所取代仍在讨论中..“It”作形式主语;“________the old bus station should be replaced with a modern hotel or not”作真正的主语..根据句意及题干中的“or not”可知答案为whether;“whether...or not”在名词性从句中意为：是否..答案：A2．2011年高考湖南卷Before a problem can be solved; it must be obvious________the problem itself is.A．what B．thatC．which D．why解析：本题考查名词性从句..句意：在一个问题得到解决之前;必须要清楚问题本身是什么..根据句子结构可知it作形式主语;后面的“________ the problem itself is ”作真正的主语;该从句缺少表语;故用what引导..答案：A3．2011年高考四川卷The school shop;________customers are mainly students;is closed for the holidays.A．which B．whoseC．when D．where解析：句意：这家校内商店放假时关门;它的顾客主要是学生..考查定语从句..本句没有并列连词也没有从属连词;故可判断逗号后面是非限制性定语从句；本句先行词是the school shop;还原到从句后为：The school shop's customers are mainly students.因此选B;用whose引导定语从句;关系代词whose在从句中作定语..答案：B4．2011年高考山东卷The old town has narrow streets and small houses________are built close to each other.A．they B．whereC．what D．that解析：句意：这个古老的小镇拥有建造得彼此靠得很近的狭窄街道和小房子..本题考查定语从句..先行词是narrow streets and small houses;还原到从句中作主语;所以用关系代词that..A和C不能引导定语从句；B是关系副词;不能作主语..答案：D5．2011年高考湖南卷Julie was good at German; French and Russian;all of________she spoke fluently.A．who B．whomC．which D．that解析：句意：Julie擅长德语、法语和俄语;所有的三门语言她都说得很流利..先行词为German;French;Rus sian;代入定语从句后为：She spoke all of the three languages fluently.由此可见;先行词在定语从句中作of的宾语;先行词指“物”;且介词提前;故用which..答案：C6．2012年武汉联考Faced with trouble or difficulty;a person takes________ help that is available.A．whatever B．wheneverC．wherever D．however解析：句意：面对困难或挫折;一个人会接受任何可能得到的帮助..whatever在此修饰help;意为“无论什么”;而其他三个选项;不作形容词;不能修饰名词;故排除..答案：A7. 2011年银川调研She is very dear to us. We have been prepared to do________ it takes to save her life.A．whichever B．howeverC．whatever D．whoever解析：句意：她对我们弥足珍贵..我们已经准备好尽一切努力挽救她的生命..这里的whatever既作take的宾语;也引导do后的宾语从句..答案：C8．2011年郑州调研Being angry is OK; but knowing how to tell someone________made you angry is important.A．that B．whichC．why D．what解析：考查名词性从句..句意：生气没什么;但是知道如何告诉别人什么导致你生气是很重要的..tell someone之后是宾语从句;且从句缺少主语;因此空处填what..答案：D9．Mother bought many tomatoes from the market two days ago; ________some have gone bad due to the bad weather.A．of those B．from whichC．of which D．in which解析：考查定语从句..此处表示“其中的一些西红柿”;故用“介词＋关系代词”引导非限制性定语从句..答案：C10．Everyone will go through life's stages of ups and downs;________self respect plays a key role in the maturity of a person.A．when B．whichC. asD. that解析：考查定语从句..句意：每个人都将经历人生的浮沉阶段;其间;自尊在一个人的成熟过程中起着关键作用..根据句意可知;后半句是定语从句;when在从句中作状语..答案：A11．2012年扬州测试________you didn't know the rules won't be an excuse for your failure to report.A．That B．WhereC．What D．Why解析：考查主语从句..句意：不要把你不知道规则作为你报道失败的借口..that 引导陈述句作主语;that不能省略..答案：A12．2012年南京模拟In recent years; there has been a heated argument about________it is necessary for children to learn English from an early age.A．whether B．ifC．what D．that解析：考查宾语从句..空白处在介词about之后;表示“是否”之意;且在介词之后引导宾语从句;只能用whether;介词后通常不用if引导宾语从句..答案：A 13．The whole family were worried about Jane because no one was aware________she had gone.A．that where B．of the place whichC．of what D．of where解析：句意：全家人都为詹妮担心;因为没人知道她去哪里了..be aware of知道;为固定搭配；where引导的从句作介词of的宾语..答案：D14．As a teacher;I seldom give my students so difficult a problem________they cannot work out.A．that B． ifC．in order that D．as解析：句意：作为老师;我很少给我的学生难以解决的问题..先行词为so difficult a problem;代入定语从句后为：They cannot work out so difficult a problem.由此可见先行词在定语从句中作宾语..“so或such＋名词”作先行词、且先行词在定语从句中作主语、宾语或表语时;需用as引导定语从句..本题易误选为A项;用that引导状语从句;但状语从句应是完整的;所以;如选A项;题干应该为：As a teacher;I seldom give my students so difficult a problem that they cannot work it out.作为老师;我很少给我的学生如此难的问题以至他们不能解决..答案：D15．－How are you getting along with your project－I was about to give up when an idea occurred to me________I could work with my roommate Tim.A．that B．howC．why D．whether解析：考查名词性从句..从句I could work with my roommate Tim句意完整;不缺少成分;因此使用that引导同位语从句解释说明idea的内容..答案：A。
定语从句与名词性从句的区别
定语从句与名词性从句的区别定语从句和名词性从句是英语语法中两个重要的句子结构，它们在句子中分别起到修饰名词和作为名词的作用。
尽管在形式和功能上有相似之处，但它们在使用上有一些明显的区别。
本文将就定语从句和名词性从句的定义、结构、用法和区别进行详细解释。
一、定义和结构1. 定语从句定语从句是用来修饰一个名词或代词的从句，它可以提供更多的信息来描述或限定该名词或代词，并且一般出现在被修饰名词或代词的后面。
定语从句的结构为：“关系词 + 主句”。
其中，关系词可以是关系代词（如that, who, whom, whose, which）或关系副词（如where, when, why）。
关系词在从句中充当成分的作用，与主句的某个成分有关联。
2. 名词性从句名词性从句是用来充当名词的从句，可以在句子中担任主语、宾语、表语等名词的作用。
名词性从句的结构变化较大，可以由连接词that 引导（比如在主语从句、宾语从句和表语从句中），也可以由特殊疑问词（如who, what, when, where, why, how）引导。
名词性从句和主句之间没有直接联系，它们之间并列，没有担任修饰作用。
二、用法1. 定语从句的用法定语从句用来修饰名词或代词，提供对其更详细的描述，起到限制或补充的作用。
它可以用来修饰人、动物、物品或整个句子。
例1: The teacher who taught me math is very strict.教我数学的那位老师非常严格。
例2: The book that you lent me is really interesting.你借给我的那本书真的很有趣。
2. 名词性从句的用法名词性从句可以充当名词在句子中的任何作用，如主语、宾语、表语、同位语等。
它们引导的从句可以提供更多的信息或回答特定的问题。
例1: What he said is true.他所说的是真的。
（名词性从句作主语）例2: I don't know where she lives.我不知道她住在哪里。
定语从句与名词性从句的区别
定语从句与名词性从句的区别定语从句是高中的重点知识，也是高考的必考知识点，通常以语法填空和改错的形式出现，但是定语从句方面的知识点比较多，容易混淆，学生掌握情况也不是很好。
所以想想掌握好定语从句就一定要弄清楚定语从句和非限制性定语从句的区别，定语从句的关系代词和关系副词的区别，分隔定语从句，定语从句的插入语，定语从句的主谓一致，定语从句和名词性从句的区别，非限制性定语从句和并列句的区别，定语从句和状语从句的区别，定语从句和强调句的区别。
定语从句和名词性从句都是重点和考点，学生最容易出错的地方就是这块。
1.定语从句与名词性从句用法区别。
（a）as引导定从，与it引导的形式主语that引导的真正主从的用法分不清。
例：As is known, Class 12 is the best one in our school.It is known that Class 12 is the best ong in our school.(b)what引导主从与that引导的宾从用法分不清。
例：What he said is good for you.All that he said is good for you.2.与同位语从句的区别。
The news(that) he told me is exciting.The news that he has been elected president of the United states is true.同位语从句和定语从句很相似,但还是有区别的,区别主要在以下三方面:（1）同位语从句前面的名词多是idea,fact,news,hope,belief,suggestion,proposal,word,thought ,doubt,truth,possibility,promise,order等有一定内涵的名词，而定语从句的先行词可以是名词，代词，主句的一部分或是整个主句。
名词性从句和定语从句
名词性从句判断名词性从句的方法：在主语位置：引导的从句后面跟动词宾语位置：及物动词之后或非及物动词+介词之后表语位置：系动词之后同位语：抽象名词之后，如fact、reason、news、opinion等。
一般用that引导，且不充当成分。
注：reason +that是同位语从句，reason+why是定语从句。
定语从句判断定语从句方法：1、定语从句一般位于名词后面。
2、有先行词，先行词一般是前面的名词或整个句子。
3、定语从句中关系代词在从句中充当宾语是可以省略。
4、与同位语从句的区别：同位语从句前面一般为抽象名词，而定语从句后面一般为具体名词，如the man、car、cup等或不定代词something（一般后接that）。
介词+关系代词1、介词是强调先行词和从句谓语动词（一般为不及物动词）之间的关系。
2、还原结构应为：从句的谓语动词+介词+先行词。
3、who和that前面不能加介词，因此它们不会出现在此结构中。
所以，在这个结构中，表示人用：whom，表示物用：which例1：The English play my students acted at the New Year’s party was a great success.A.for whichB.at whichC.in whichD.on which答案：act 和 play之间应用介词in，C正确。
例2：York, last year, is a nice old city.A.that I visitedB.which I visitedC.where I visitedD.in which I visited答案：A,非限定性定语从句不用that引导，错误。
B，关系代词在从句中做宾语，which可用于非限定性定语从句，正确。
C，where不能再从句中作宾语，错误。
D，visited为及物动词，不需要用介词+关系代词结构，错误。
名词性从句与定语从句的区别
名词性从句与定语从句的区别作者：刘静来源：《高中生学习·高二版》2017年第04期[定语从句]1. 在复合句中，修饰名词或代词的从句为定语从句。
如：The novels that were written by Lu Xun were not easy to understand.2. 定语从句的构成要素先行词：被修饰的名词或代词（非限制性定语从句的先行词可能为逗号前面的整个内容）。
关系词：连接主句与从句的词，且在定语从句中充当一定的句子成分。
从句：从句的基本结构为“关系词+一个完整的句子”。
3. 从句的关系词关系代词：that指代人或物；which指代物；who指代人（可在从句中作宾语）；whom指代人（只可在从句中作宾语）；whose后面加名词，在从句中作定语；as指代人或物。
关系副词：when表示时间，where表示地点，why表示原因。
4. 关系词的句法功能关系代词在定语从句中作主语或宾语，关系副词在定语从句中作状语，关系代词作宾语时可以省略。
关系副词在定语从句中作状语，表示时间、地点、原因等。
5. 定语从句解题方法找准先行词，将先行词带入定语从句，使定语从句成为一个完整的句子，再分析从句的句子成分。
若从句缺主语或宾语，选用关系代词；若从句缺状语，选用关系副词。
[名词性从句]1. 名词性从句分类主语从句：在句中充当主语，多用it作形式主语。
宾语从句：宾语从句一般位于介词或及物动词之后，为高考重点考查内容。
表语从句：表语从句一般位于系动词之后。
同位语从句：说明句中某个抽象名词的具体内容，与定语从句结构相同。
2. 名词性从句的引导词连接词：that，whether，if，不作句子成分，if与whether在用法上有些区别。
连接代词：what，which，who，whom，whose，whatever，whichever，whomever，在名词性从句中作主语、宾语或表语。
连接副词：when，where，why，how，whenever，wherever，however，在名词性从句中作状语。
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名词从句与定语从句的区别及解题技巧摘要：由于名词从句与定语从句的部分引导词相同的缘故，很多学生容易把两者混淆。
其实，我们可以从从句的功能和所处的位置、同位语从句和定语从句的区别、句意决定从句的属性等三种途径区分它们。
确定从句的属性后，我们可以从名词从句中的所缺成分及定语从句的先行词等角度确定从句的关系引导词。
本文还附有近十年的高考真题演练。
关键词：名词从句，定语从句，引导词由于名词从句与定语从句的部分引导词相同的缘故，很多学生容易把两者混淆。
其实，我们可以从以下三种途径区分它们。
一、由两种从句的功能和所处的位置进行区别。
名词从句的主要功能是充当句中的主语、宾语、同位语和表语，它们的位置一般处于句首、动词或介词之后；而定语从句的功能是起修饰和限定先行词的作用，一般处于名词、代词或名词短语之后。
如：1.Whether we will go picnicking depends on the weather. （位于句首，为主语从句）2.I learned that he was a famous writer. （位于谓语动词后，为宾语从句）3.He is satisfied with what you’ve done. （位于介词后，为宾语从句）4.That is why I came here. (位于系动词后，为表语从句)5.I will never forget the days when we got together. （在名词day后，为定语从句）6.This is the book that I have been looking for. （在名词book后，为定语从句）7.The reason why he came home late is that he was trapped in the traffic jam. （前句在名词reason后，为定语从句；后句在be动词后，为表语从句）二、同位语从句和定语从句的区别。
有些表示“看法、问题、事实、消息”等名词如thought, idea, belief, question, doubt, problem, fact, news, information, order, hope, answer, conclusion等后面既可以接同位语从句，也可以接定语从句。
区别的办法要看这些词在从句中有没充当什么成分。
如：The idea that we invited him yesterday is quite good. （idea在从句中没充当任何成分，that 在此无词义，引导的从句属同位语从句）The idea that he thought of is quite good.（idea在从句中是of的宾语，that指代the idea，引导的从句是定语从句，修饰限定先行词the idea.）三、由句意决定从句的属性。
如：Danby left word with my secretary ______ he would call again in the afternoon. （05年浙江，15）A. whoB. thatC. asD. which有些粗心的考生可能一看到从句前是个名词secretary，就马上选择A项，根本不考虑句子意思。
本题题意是“Danby给我的秘书留下话说他将在下午再打电话来”。
明显，从句的内容是word的同位语，而不是修饰secretary的定语。
确定从句的属性后，我们可以从以下角度确定引导词：一、名词从句，要先根据句子意思，再看从句中缺少什么成分，从而确定相应的引导词。
如：1. Mary wrote an article on _________ the team had failed to win the game. (05全国卷I,23)A. whyB. whatC. whoD. that根据句意“玛丽写了一篇关于球队失利的原因的文章”，从句中主谓宾成分都具备，即the team(主语) had failed (谓语) to win the game(宾语)等已齐全，缺的是原因状语，所以选why。
这句话如果改为：Mary wrote an article on ______ had failed to win the game.或Mary wrote an article on _______ failed the team to win the game的话，第一个空缺少的是主语who, 意为“玛丽写了一篇关于谁输了这场比赛的文章”；第二个空缺少的也是主语，但从句意来看，不是“谁导致球队输”，而是“什么（原因）导致球队输”，所以应该填what才对。
2. There is a problem _______ they should continue the work.A. whetherB. thatC. whatD. which从句意得知，从句“他们应该继续工作”的前提是“问题”，因此，这里要选A项，“有个问题是他们是否该继续工作”。
如果选B，这句话的题干就应该改为“There is no problem that they should continue the work.”（毫无疑问，他们应该继续工作。
）二、定语从句，由先行词决定关系词。
如果先行词是表示时间或地点的名词，则把该名词置于从句的谓语动词后，看是否要加上介词才使句子逻辑通顺，如果是，那就确定先行词在从句中充当时间或地点状语，引导词用when或where或介词加which；不用加介词的话，则充当从句的宾语，引导词用that或which。
例如：1. This is the place ________ she used to visit.2. This is the place ________ she used to live.A. thatB. whereC. whichD. in which第1小题，把先行词the place置于visit后，“she used to visit the place”，不用加上介词，也就是说，the place是visit的宾语，应该选择A或C；第2小题的the place放在live后，要加上介词in才使句子逻辑通顺，即“she used to live in the place”，the place在第2小题的从句中充当地点状语，所以应该选B或D。
另外，有些题干会把一些固定搭配的动词短语拆开，让考生选择适当的选项。
这时，考生要懂得还原短语，也就是在关系代词前加上题干所缺的介词。
如：There’s nobody ________ she could turn for help.A. whomB. to whomC. whoD. for whom考生要知道固定短语turn to sb. for help（向某人求助），先行词nobody在从句中充当to 的宾语，所有应该选B。
总的来说，引导词在名词从句中除了that无词义外，其他所有的连接词在从句中的词义及功能同疑问词本身的词义和用法；定语从句中的引导词除了as表示“正如…”外，都没有词义，只是起指代先行词和连接从句的作用。
做题的时候，先从句意和从句所处的位置判断该从句的属性，然后再根据句子语境选择适当的答案，这样的话，思路就会豁然开朗，解题也会容易多了。
名词从句与定语从句的引导词及其在从句中的作用一览表历年高考真题演练：1. (06年全国卷) See the flags on top of the building? That was _____ we did this morning.A. whenB. whichC. whereD. what2. (06年全国卷) Please remind me ______ he said he was going. I may be in time to see him off.A. whereB. whenC. howD. what3. (06年安徽卷)A warm thought suddenly came to me ________ I might use the pocket money to buy some flowers for my mother’s birthday.A. ifB. whenC. thatD. which4. (06年福建卷) Look out! Don’t get too close to the house _______ roof is under repair.A. whoseB. whichC. of whichD. that5. (06年陕西卷) She was educated at Beijing University, _______ she went on to have her advanced study abroad.A. after whichB. from whichC. from thatD. after that6. (05年重庆卷) The old lady’s hand shook frequently. She explained to her doctor _____ thisshaking had begun half a year before, and _______, only because of this, she had been forced to give up her job.A. when; howB. how; whenC. how; howD. why; why7. (05年安徽卷) Great changes have taken place in that school. It is no longer ______ it was 20 years ago, ______ it was so poorly equipped.A. what; whenB. that; whichC. what; whichD. which; that8. (05年广东卷) Many people who had seen the film were afraid to go to the forest when they remembered the scenes ______ people were eaten by the tiger.A. thatB. by whichC. whichD. in which9. (05年广东卷) Some researchers believe that there is no doubt ______ a cure for AIDS will be found.A. whichB. whatC. thatD. whether10. (04年北京卷) We cannot figure out _______ quite a number of insects, birds, and animals are dying out.A. thatB. asC. whyD. when11. (04年广东卷) Parents are taught to understand ______ important education is to theirchildren’s future.A. thatB. howC. suchD. so12. (04年全国卷)The English play _______ my students acted at the New Year's party was a great success.A. for whichB. at whichC. in whichD. on which13. (04年全国卷)You are saying that everyone should be equal, and this is _______I disagree.A. whyB. whereC. whatD. how14. (02年全国卷)The mother didn’t know ______ to blame for the broken glass as it happenedwhile she was out.A. whoB. whenC. howD. what15. (02年全国卷) I work in a business almost everyone is waiting for a great chance.A. howB. whichC. whereD. that16. (01年全国卷) _____ is known to everybody, the moon travels round the earth once everymonth.A. ItB. AsC. ThatD. What17. (01年全国卷) The film brought the hours back to me _____ I was taken good care of in thatfar-away village.A. untilB. thatC. whenD. where18. (00年全国卷) Dorothy was always speaking highly of her role in the play, ________, ofcourse , made the others unhappy.A．who B．which C．this D．what19. (99年全国卷) －－I drove to Zhuhai for the air show last week.－－Is that ＿＿＿＿＿you had a few days off?A. whyB. whenC. whatD. where20. (99年全国卷)You should make it a rule to leave things＿＿＿＿＿you can find them againA. whenB. whereC. thenD. there21. (99年全国卷)Carol said the work would be done by October ＿＿＿personally I doubt verymuch.A. itB. thatC. whenD. which22. (98年全国卷)Dr. Black comes from either Oxford or Cambridge, I can't remember _____.A. whereB. thereC. whichD. that23. (98年全国卷) we can't get seems better than we have.A. What; whatB. What; thatC. That; thatD. That; what24. (98年全国卷). we'll go camping tomorrow depends on the weather.A. IfB. WhetherC. ThatD. Where25. (96年全国卷) After living in Paris for fifty years he returned to the small town he grewup as a child.A. whichB. whereC. thatD. when。