英语中关系代词which和as的区别

我们都知道，which和as都可以引导非限制性定语从句，有时可以互换使用。但两者的用法又有所不同。何时用which，何时又必须用as?是不是有些傻傻分不清?!来来来，今天就把这个问题一次拎清~~~

(1)位置上，as可放在句首、句末，也可插入主句中;which一般放在主句之后(有时也可用as)：

As we all know, reading is very important.

Reading is very important, which we have already known when we were very young.

(2)意义上，as有正如、按照、正像之意，一般用在肯定句中;which可用于含肯、否定意义的句子中：

He failed in the exam again, as was expected.

He failed in the exam again, which was unexpected.

(3)当定语从句所修饰的主句内容是谓语动词的对象时，常用as，如：

Jack was admitted into the university, as we had expected.

(4)固定结构，用as：

as has been said before as often happens

as is well known as we all can see

the same...as such...as

(5)当关系代词代表主句引起的结果，又做主谓宾补(SVOC)结构中的主语时，多用which：

He passed the exam, which made him delighted.

(6)在从句中作介词宾语时，用which，如：

They went to the zoo, after which they saw a film.

(7)在从句中代表主句中的谓语的整个概念时，常用which，如：

He can write a letter in English, which I cannot.

(8)指代主句中某一名词时，多用which，如：

Beijing, which he was born, is our capital.

(9)代替主句中的形容词时, 常用which，如：

Lily thought me clever, which she herself was.

在定语从句中，相比于which VS that，who VS that，我们对which与as两者区别的关注度要少很多，在遣词造句或是口语表达中，也常常是“跟着感觉走”。

初中英语9类代词用法汇总及例句

初中英语9类代词用法汇总及例句代词的分类：人称代词、物主代词、反身代词、指示代词、关系代词、疑问代词、连接代词和不定代词等。 I often go shopping on Sundays.(星期天我常去购物) Are they from Brazil?(他们是巴西人吗？) Where have they gone?(他们上哪儿去了？) It’s he!(是他！) （2）宾格用来作及物动词或者介词的宾语。 Who teaches you English this year?(今年谁教你们的英语？) Help me!(救救我！) We often write letters to her.(我们常给他写信) （3）人称代词作表语或者放在比较状语从句连词than或as之后时,可以用主格形式,也可以用宾格形式,口语中大多用宾格。 –It’s I/me.(是我。) （4）三个不同人称同时出现,或者主语中包含“我”时,按照“you→he →I”的顺序表达。 Both he and I are working at that computer company. (我和他都在那家电脑公司上班) –Who will go there?(谁要去那儿？) –You and me.(你和我) （5)人称代词it除了可以指人指物之外,还可以表示“时间、天气、温度、距离、情况”等含义,此外还可以作“非人称代词”使用,替代作主语或者宾语的不定式、动名词或者名词性从句。 --What’s the time?(几点啦？)

–It’s 12：00.(12点) It’s a long way to go.(那可要走好长的路) It took him three days to clean his house. .(打扫屋子花了他三天的时间) It is very clear that the public want to know when these men can go into space (很显然,公众想知道这些人什么时候能进入太空) Is that your umbrella? (那是你的伞吗？) I often go to see my aunt on Sundays. (我经常在星期天去看望阿姨) They are their books.(是他们的书) (2)名词性物主代词相当于名词,既代替事物又表明所属关系,在句子中往往独立地作主语、宾语或者表语,后面千万不可以跟名词。 This is your cup,but where is mine? (这是你的杯子,可我的在哪儿？) Your classroom is very big, but ours is rather small. (你们的教室很大,我们的相当小) (3)“of + 名词性物主代词”称为双重所有格,作定语时放在名词的后面。 A friend of mine came to see me yesterday. (我的一个朋友昨天来看我了) (指若干朋友中有一个来看我。) My friend came to see me yesterday. (我的朋友昨天来看我了)(指我的那个特定的朋友来看我。) 3、反身代词：表示谓语的动作与主语有关或者宾语补足语的动作与宾语有关。

不定代词用法归纳

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定语从句中which和that用法

定语从句中which和that用法在定语从句中，which 和that 在指代事物时，一般可以互换使用，但并非在任何情况下都是这样。一、宜用that, 而不宜用which 的情况. ①先行词为不定代词all,much,something,everything,anything,nothing,none,the one 等 1. We should do all that is useful to the people. 2. There's nothing that can be said about it. 3. Do you mean the one that was bought yesterday ②先行词被only, any, few, little, no, just, very, one of等词修饰时。 1 .The only thing that we could do was to wait. 2 .That's the very word that is wrongly used. 3 .The last place (that) we visited was the chemical works. 4 .You can take any (=whichever) seat that is free. 5 .I hope the little that I can will be of some help to them. ③先行词是序数词时或被序数词修饰时。 1. When we talk about Wuxi, the first that comes into mind is Tai Lake. 2. This is the third film that has been shown in our school this term. ④先行词是最高级或被最高级修饰时。 1. This is the best that can be done now. 2. The most important thing that should be done right now is how to stop him from going on. ⑤先行词既有人又有物，用which和who都不适合，这时宜用that. 如： writer and his novel that you have just talked about is really well known . rider and his bike that had run over an old woman were held up by the police. ⑥被修饰词为数词时. 1. Yesterday I caught two fish and put them in a basin of water .Now you can see the two that are still alive .

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最全英语代词的用法讲解及练习题

英语代词的用法讲解及练习题 1. 人称代词主格、宾格形式及其主要用法； 2. 名词性物主代词与形容词性物主代词的形式、区别及其主要用法； 3 反身代词的形式、意义及其主要用法； 4 常见不定代词的一般用法； 5. 指示代词的一般用法，并了解其在上下文中的指代用法； 6. 相互代词的基本用法； 7. 疑问代词的基本用法。 8. 关系代词的基本用法。【名师点睛】代词是代替名词、形容词和数词的词。按其意义、特征及其在句中的作用分为：人称代词、物主代词、指示代词、反身代词、相互代词、疑问代词、不定代词和关系代词等。一。人称代词 1.人称代词的人称、数和格。 2.人称代词有主格和宾格之分。通常主格作主语，宾格作宾语。如： I like table tennis. （作主语） Do you know him？（作宾语） 3.人称代词还可作表语。作表语时用宾格。如： ---Whos is knocking at the door？ ---It’s me. 4.人称代词在than之后与其他人或事物进行比较时，用主格和宾格都可以。如： He is older than me. He is older than I am. 二。物主代词 1.表示所有关系的代词叫物主代词。物主代词分形容词性物主代词和名词性物主代词。 2. 形容词性物主代词的作用相当于形容词，可在句中作定语。例如： Our teacher is coming to see us. This is her pencil-box. 3. 名词性物主代词的作用相当于名词，在句中可用作主语、宾语和表语。 Our school is here，and theirs is there.（作主语） --- Is this English-book yours？（作表语） --- No. Mine is in my bag. I‘ve already finished my homework. Have you finished yours？（作宾语）三。指示代词指示代词包括：this，that，these，those。

定语从句中that 和which的用法

定语从句中的that和which的用法引导定语从句的关系代词有：that（指人或物）,which （指物）,who (指人）.指人时可用that或who ；指物时可用that 或which 。 That和which在从句里都可以做宾语和主语，做宾语时可以省略。指物时，两者一般可以互换，但在下列情况下只能用that： 1）当先行词是all ,any ,anything ,everything ,nothing 或被它们修饰时.例如： Is there anything that I can do for you 有什么可以为你做的吗? All that can be done must be done . 凡是能做的都必须做. 2）当先行词被形容词的最高级或序数词修饰时.例如：That is one of the most interesting books that are sold in the bookshop . 那是这家书店出售的最有趣的书之一. The first thing that we should do is to get some food . 我们该做的第一件事是弄点吃的. 3）当先行词有：the only ,the very ,the same ,the last 等修饰时.例如：

My necklace is not the only thing that's missing . 我的项链不仅是丢掉的东西. 4）当主句以who或which开头时,定语从句中引导词用that ,不用which 或who .以避免重复.例如： Who is the girl that is wearing a red coat 正穿一件红色外套的女孩子是谁? 5）当先行词既有人又有物时,用that .例如： The writer and his novel that you have just talked about are really well known . 你刚才谈起的那位作家以及他的小说确实很著名. 请注意: 以下几种只能使用which的情况: 1.引导非限制性定语从句，用which。 2.在“介词＋关系代词”结构中，关系代词必须用which。如：The house in which we live is very large. 我们住的房子非常大。 This is the reference book of which the teacher is speaking. 这就是老师正在谈及的那本参考书。注意：如果介词不放在修饰事物的限定性定语从句的句首，which就可换为that，例如：This is the question which/that we've had so much discussion about. =This is the question about which we've had so much discussion.

初中英语代词用法全解及练习含答案

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that与which的用法区别

that与which的用法区别两者都可指物，常可互换。其区别主要在于： 1.引导非限制性定语从句时，通常要用which： The current, which is very rapid, makes the river dangerous. 水流湍急，使这条河很危险。 He has to work on Sundays, which he doesn’t like. 他得在星期天工作，他是不喜欢这样的。 The London team, which played so well last season, has done badly this season. 伦敦队上一个季度打得很好，这个季度却打得很差。 2.直接放在介词后作宾语时，通常要用which： She may be late, in which case we ought to wait for her. 她可能晚到，那样我们就要等等她。 The documents for which they were searching have been recovered. 他们找寻的文件已找到了。 This morning some port wine came, for which I have to thank you. 今天早上送来一些波尔图葡萄酒，为此我得向你道谢。注：有时“介词+which”引导的定语从句可以转换成“介词+which+不定式”结构：He had only the long nights in which he could study. =He had only the long nights in which to study. 他只有漫漫长夜可用来学习。 He had a couple of revolvers with which he could defend himself.= He had a couple of revolvers with which to defend himself. 他只有一两把手枪用来自卫。 3.当先行词是下列不定代词或被它们修饰时much, little, none, all, few, every(thing), any(thing), no(thing) 等时，通常用that： All that she lacked was training. 她缺的只是训练。 Have you everything that you need? 你需要的东西都有了吗? The sleeping man’s subconscious mind retained everything that was said around him. 这位酣睡的人头脑的下意识能记住他周围的人说的话。 She would never do anything that was not approved of by her parents. 她父母不赞同的事她绝不会做。 4.当先行词有the very, the only, the same 等修饰时，通常用that： This is the only example that I know. 我知道的例子只有这一个。 Those are the very words that he used. 那是他的原话。 5.当先行词有形容词最高级或序数词(包括last, next等)等修饰时，通常用that： This is the best dictionary that I’ve ever used. 这是我用过的最好的词典。 The first thing that you should do is to work out a plan. 你应该做的第一件事是订个计划。

不定代词的用法

不定代词用法归纳一、不定代词概说英语的不定代词有all, each, both, either, neither, one, none, little, few, many, much, other, another, some, a ny, no, (a) few, (a) little, both, enough, every 等，以及由some, any, no 和every 构成的合成代词(即somebody, anyone, nothing 等)。在这些不定代词中，多数都能作主语、宾语、表语或定语，但是代词none 以及由some, an y, no 和every 构成的合成代词只能作主语、宾语或表语，不能作定语，而no 和every 则只用作定语。二、指两者和三者的不定代词有些不定代词用于指两者(如both, either, neither)，有的不定代词用于指三者(如all, any, none, every)，注意不要弄混： Both of my parents are doctors. 我的父母都是医生。 All of the students are interested in it. 所有的学生对此都很感兴趣。 There are trees on any side of the square. 广场的每一边都种有树。 He has two sons, neither of whom is rich. 他有两个儿子，都不富有。 He has three sons, none of whom is rich. 他有三个儿子，都不富有。【说明】each 可用于两者、三者或三者以上，而every 只用于三者或三者以上，因此用于两者时只能用eac h，不能用every。如不能说There are trees on every side of the road. 三、复合不定代词的用法特点复合不定代词包括something, somebody, someone, anything, anybody, anyone, nothing, nobody, no one, ever ything, everybody, everyone 等。它们在句中可用作主语、宾语或表语，但不能用作定语。something, someone 等和anything, anyone等的区别与some 和any 的区别一样，前者一般用于肯定句，后者一般用于否定句、疑问句或条件句(参见any & some)。具体使用时应注意以下几点： 1.复合不定代词受定语修饰时，定语应放在它们后面： There is nothing wrong with the radio. 这收音机没有毛病。 Have you seen anyone [anybody] famous? 你见过名人吗? 2.指人的复合不定代词若用作主语，其谓语动词一般用单数，相应的人称代词和物主代词也用单数he, him, his (不一定指男性)。但在非正式文体中常用复数代词they, them, their： Everyone knows this, doesn’t he [don’t they]? 人人都知道这一点，不是吗? If anybody [anyone] comes, ask him [them] to wait. 要是有人来，让他等着。 3.指事物的复合不定代词若用作主语，谓语动词只能用单数，相应的人称代词也只能用it，而不用they： Everything is ready, isn’t it? 一切都准备好了，是吗? 4.anyone, everyone 等只能指人，不能指物，且其后一般不接of 短语。若是指物或后接of 短语，可用any one, every one (分开写)： any one of the boys (books) 孩子们(书)当中的任何一个(本) every one of the students (schools) 每一个学生(一所学校) 四、是any not 还是not any 按英语习惯，any 以及含有any的复合不定代词用于否定句时，它只能出现在否定词之后，而不能在否定词之前：误：Any one doesn’t know how to do it. 正：No one knows how to do it. 任何人都不知道如何做它。误：Anybody [Anyone] cannot do it.

初中英语语法归纳：代词

初中英语语法归纳：代词代词(pron.)代替名词,兼有名词和形容词的作用 (一)代词的类别相互代词 each other,one another 指示代词 this,that,these,those 不定代词(不指明特定的人或事物的代词)each,every,both,all,either,neither,none,no,one,(a)few,(a)little,some,any,man y,much,other,another 复合不定代词 everybody,somebody,anybody,nobody,everyone,someone,anyone,no one,every-thing,something,anything,nothing 疑问代词 what,who,whom,which,whose 直接代词疑问代词都可作连接代词，引导宾语从句。表语从句等。关系代词 who,whom,whose,that,which用引导定语从句。 (二)代词的用法 1.人称代词、物主代词、反身代词、相互代词和指示代词的用法 (1)人称代词有主格和宾格之分，主格用来作主语，宾格用来作动词或介词的宾语等。 eg. She gave me a red apple.她给了我一个红苹果： (She作主语,me作动词宾语) Kath is near him.凯西靠近他。(介词near的宾语) 2.物主代词有形容词性物主代词和名词性物主代词之分。 ①形容词性物主代词位于名词前：their school,his backpack ②名词性物主代词相当干一个名词,在句中可作主语、宾语等，后面不能再接名词。 egIt isn’t my pen.→Mine(=my pen) is missing.(作主语) I left my pen at home. You can use hers(=her pen),(作宾语) ③“of+名词性物主代词”属双重所有格的一种形式。 cat of hers她的一条狗,a friend of yours你的一个朋友 3.反身代词 ①反身代词在句中可作同位语，起强调作用，也可作动词或介词的宾语。 few days later,I myself had to go to Paris.(作同位语) She bought herself a new bag.(作动词宾语) He’s not worried about himself.(作介词宾语) ②带有反身代词的常用短语。 teach oneself 自学 help oneself to 随便吃些…吧

which和that的区别

that与which两者都可指物，常可互换。其区别主要在于： 1. 引导非限制性定语从句时，通常要用which。如：She received an invitation from her boss, which came as a surprise. 她收到了老板的邀请，这是她意想不到的。 2. 直接放在介词后作宾语时，通常要用which。如：The tool with which he is working is called a hammer. 他干活用的那个工具叫做锤子。 3. much, little, none, all, few, every(thing), any(thing), no(thing) 等时，通常用that。如：There was little that the enemy could do but surrender. 敌人无法,只有投降了。All [Everything] that can be done must be done. 凡能that can be done must be done. 4. 当先行词有the very, the only, the same 等修饰时，通常用that。如：This is the only example that I know. 我知道的例子只有这一个。Those are the very words that he used. 那是他的原话。 5. 当先行词有形容词最高级或序数词(包括last, next等)等修饰时，通常用that。如：。如：This is the best dictionary that I’ve ever used. 这是我用过的最好的词典。The first thing that you should do is to work out a plan. 你应该做的第一件事是订个计划。 6. 当关系代词在定语从句中用作表语时，通常用that。如：China is not the country (that) it was. 中国已不是过去的中国了。 7. 当先行词是一个既指人又指物的并列词组时，通常用that。如：They talked about the persons and things that most impressed them. 他们谈论了使他们印象最深的人和事。他们谈论了使他们印象最深的人和事。 8. 当要避免重复时。如：Which is the course that we are to take? 我们选哪门课程？

初中英语-不定代词用法详解(最新整理)

不定代词用法详解不定代词，不明确指代某个特定的人或事物的代词叫不定代词。不定代词可以代替名次和形容词，表示不同的数量概念。不定代词没有主格和宾格之分，在句中可做主语、宾语、表语、定语等。英语中的不定代词常常成对出现，如some 和any, all 和both, neither 和either, each 和every, other 和another, much 和many, one 和no, none 和no one, few 和a few，little 和a little，等等。另外，还有由some, any, every, no 与body, one, thing 构成的复合不定代词(somebody, anybody, everybody, nobody, someone, anyone, everyone, no one, something, anything, everything, nothing)。 1.some 和any some 和any 都可修饰或指代可数名词和不可数名词；some 一般用于肯定句，any 一般用于疑问句和否定句。如： I must get some fruit in the market. 我得在市场上买点水果。 Do you have any books for children? 你有适合小孩子看的书吗? 【说明】(1) 当表示请求或要求并希望对方能给出肯定的回答时，some 也可用于疑问句；any 表示“任何的”之意时，也可用于肯定句。 Can you give me some paper? 你能给我些纸吗？ Why not send that girl some flowers? 为什么不送给那位女孩几束花呢？ You can read any of the books. 你可以看这些书中的任何一本。 (2) some 和any 均不能跟冠词连用。 2.all 和both (1)all 表示全部，表示三者或三者以上的人或物；both 指代两个人或事物，表示两者都。 Copper and silver are both metals. 铜和银都是金属。 Both sides are keen to reach an agreement. 双方都很想达成协议。 She and her husband both like dancing. 她和丈夫都喜欢跳舞。 There are trees on both sides of the street. 街道两旁都有树。 Not all women like the word Ms. 并非所有的女性都喜欢Ms 这个词。

关系代词which用法说明

关系代词which用法说明 1.既可引导限制性定语从句，也可用作非限制性定语从句。如： This is the photo (that) I took. 这就是我拍的照片。 The river, which flows through London, is called the Thames. 这条流经伦敦的河叫泰晤士河。 2. which引导定语从句时，它在从句中主要用作主语或宾语，但有时也可用作定语，在意义上大致相当于this或that。如： We told him to consult the doctor, which advice he took. 我们叫他去看医生，他听取了我们的劝告。 He is studying economics, which knowledge is very important today. 他学经济学，这种知识现今很重要。注意，它与用作定语的关系代词whose用法不同——whose引导定语从句时，它在意义上大致相当于one’s。如： Wolves are highly social animals whose success depends upon cooperation. 狼是高度群体化的动物，它们的成功依赖于合作。 3.关系代词which原则上只指物，不指人；指人要用who。但是，有时指的不是具体的某人，而是指人的属性（如职业、身份、地位、职务、品质、特征等），则要用which 而不用who。如： He talked like a scholar, which he was not. 他说起话来像个学者，其实他没什么学问。 She talked like a native, which she hardly was. 她说起话来像是个本地人，其实她不见得是。 They accused him of being a traitor, which he was. 他们指控他是叛徒，他真是叛徒。 4.注意不要一看到句前有逗号，就以为一定要用which来引导非限制性定语从句。如以下几句逗号后的that均不能换成which（原因是逗号前的句子为状语从句）：If a book is in English, that means slow progress for you. 如果一本书是用英语写的，那就意味着你要读慢些。 If he’s only interested in your looks, that just shows how shallow he is. 如果他只对你的相貌感兴趣，那就说明他相当浅薄。 When I say two hours, that includes time for eating. 我说两小时，那是包括了吃饭的时间。