as, but, than 做关系代词
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关系代词as,but和than定语从句是大家非常熟悉的一种从句,在考试中可以说是无处不在。
说到定语从句的关系代词,大家肯定会异口同声地喊出“that”“which”“who”……今天我们要讲讲as、but和than这三个特殊的关系代词。
As、but和than通常都是以介词、连词等身份被大家所熟知,而它们居然可以摇身一变成为关系代词,在定语从句中做主语和宾语。
As最基本的用法是做连词“与……一样”表示同级的比较,介词“作为”。
下面是它特殊的用法,例句:1. He does not possess such qualifications as are necessary to be an actor.他并不具备一名演员应有的资格。
2. She bought the same skirt as I had bought last week so I need to talk to her about it so we don't wear them the same at the same time.她买的那条裙子和我上周买的一模一样,我要和她商量一下,免得“撞衫”。
上面两个例句中定语从句都使用了as作为关系代词,我们可以发现例句1中含有“such…as…”,例句2中含有“the same…as…”,由此可见,我们到底要不要使用as来做关系代词,可以根据句中是否出现了与as搭配的短语进行判断。
3. The murderer who had killed several people on the campus was finally arrested by the police, as was expected.如我们所愿,那个在校园杀害数人的杀人犯终于被警方逮捕。
该句中并未出现与as搭配的短语,此处的用法是as做关系代词指代前面整个句子,在定语从句中做主语。
But大家熟悉的but基本都是以转折连词的身份出现,但是它还兼职在做定语从句中的关系代词。
Adj 从句(一)关系代词引导定语从句1.关系代词who, whom, which在所引导的定语中要作主语、宾语或be动词的补语;否则关系代词之前一定要有介词;e.g. He is a good student who studied hard.He is a boy whom everyone loves.This is the house which he lives in.She is not the cheerful girl (that )she was2.that 亦可当作关系代词, 取代who、whom或which, 但使用时有如下条件:that之前不可有介词或逗点(即仅出现在限定性定语从句中)。
I like the girl that is sitting there.在下例情况下, 只用that作关系代词,决不可用who、whom或which,:1)先行词前有序数词或形容词最高级时;先行词前有the only, the very, the same等限定意义较强的形容词时;先行词为数量不定代名词(all, no, many, some, much)或(some, every, any, no)---thing He is the best student that I have taught.The first man that came here was Peter.He is the only friend that I have.All that he said was not true.My brother fixed almost anything that needed repairing2)先行词中有疑问词who, which---避免重复Who is the man that is studying there? (不用who)What is it that he is reading? (不用which)Where is the book that you bought yesterday? (不用which )3)先行词同时有人和事物(两个名词性质不一)共用一个关系代词;Look at the boy and the dog that is coming this way.4).关系代词若作be 动词的补语, 表示某人的身份时, 要用that而不用who或which.He is not the man that he was.3. 关系代词的省略1)在限定性定语从句中, 若关系代词为及物动词的宾语, 则该关系代词可省略; 若该关系代词为介词的宾语,介词在从句句尾时,该关系代词亦可省略。
定语从句句式定语从句定义:在复合句中修饰名词或代词的从句;被修饰的名词或代词叫先行词。
种类:关系代词:who、whom、whose、which、that关系副词:where、when、why准关系代词:as、but、than复合关系代词:what、whatever、whoever、whichever一、关系代词引导的定语从句(1)由who引导的定语从句:1.关系代词who用作主语,指人或动物;2.who;不能用作表语;(2)由who引导的定语从句:1.关系代词whom用作宾语,指人;2.whom不能用作表语;(3)由whose引导的定语从句:1.关系代词whose作定语,既可指人也可指物。
2.whose用于引导定语从句时,有“whose=of which”(4)由which引导的定语从句:1.关系代词做主语、谓语动词或介词的宾语,指物或动物;2.常用关系代词which作表语,既可指人也可指物,“人”要具有某种特性;3.which既能引导限制性定语从句,也能引导非限定性定语从句;(5)由of which/whom引导的定语从句:1.名词、不定代词、数量词+of which/whom2. of which/whom从句中作主语有两种形式:数词、名词+of which/whom 或of which/whom+数词、名词3.“名词+of which”做主语时常用“whose+名词”取代;4.of which所修饰的名词前应加上定冠词;(6)由介词+which+抽象名词引导的定语从句:1.在非限制性定语从句中,以“介词+which+抽象名词”结构补充说明,which作定语;2.the way后接定语有三种形式:不加;加that;加in which;(7)由that引导的定语从句:1.关系代词that在从句中作主语或宾语,不作介词宾语,既指人也指物;2.先行词是不定代词时,必须用that引导定语从句;3.先行词被不定代词修饰时,必须用that引导定语从句;4.先行词被序数词或形容词最高级修饰时,必须用that引导定语从句;5. 先行词既有人又有物时,必须用that引导定语从句;6. 先行词被the only、the same、the last修饰时,必须用that 引导定语从句;7.以who、which引起的问句中,为避免重复,常用that引导定语从句;8.用作关系副词以修饰表示时间的名词时,常用that代替when 引导定语从句;9.构成非限制性定语从句时,不用that;10关系代词前有介词且指物时,不用that;11.先行词本身是that时,不用that;12.关系代词之后有插入成分时,不用that;二、关系副词引导的定语从句(1)由when的定语从句:1.关系副词when是兼有连词作用的副词,常用于表示时间;2.先行词为表示时间的名词;3在口语中,先行词为表示时间的名词时,可以省略when;4先行词在从句中起副词作用作时间状语时,用when引导定语从句;先行词在从句中起代词作用作宾语时,用which/that引导定语从5.在this/that/it’s后可省略先行词the time;6.现代英语口语中,the day when、the time when、the moment when可用that代替;;7.关系副词when可用恰当的“介词+which”代替;(2)由where引导的定语从句:1. 关系副词where是兼有连词作用的副词,常用于表示地点;2.先行词为表地点或有地点含义的抽象名词;3.在口语中,先行词是place、room等词时,可以省略where;4.先行词在从句中起副词作用作地点状语时,用where引导定语从句;先行词在从句中起代词作用作宾语时,用that/which引导定语从句;5. 在this/that/it’s后可省略先行词the place;6. 现代英语口语中,the place where可用the place that代替;7. 关系副词where可用恰当的“介词+which”代替;(3)由why引导的定语从句:1. 关系副词why兼有连词作用的副词,常用于表示原因;2.先行词只有reason;3.在口语中,可以省略why;4.先行词reason在从句中起副词作用表原因时,用why引导定语从句;先行词reason在从句中起代词作用作宾语时,用that/which引导定语从句;5.在this/that/it’s后可省略先行词the reason;6.现代英语口语中,the reason why可用the reason that代替;7. 关系副词why可用恰当的“介词+which”代替;(4)由介词+where/when引导的定语从句:1.from where引导的定语从句中,where代表主句提供的地点;2.since/by when引导的定语从句中,when代表主句提供的时间三、准关系代词引导的定语从句(1)由准关系代词as引导的限制性定语从句:1.as既可作引导状语从句的连词,也可作引导定语从句的关系代词;2.在such…as引导的定语从句中,as在从句中作主语或表语;3.在the same…as引导的定语从句中,as在从句中作主语或宾语;4.在as…as引导的定语从句中,as在从句中作主语;5.区别:such…as引导定语从句,such…that引导结果状语从句;6.区别:the same…as指两物相似,the same…that描述的是同一物;(2)由准关系代词as引导的非限制性定语从句:1.as代表主句或主句一部分的意思,不能指代某个名词或代词;2.在as引导的非限制性定语从句中,as可以放在主句的任意位置,在从句中作主语或宾语;3.主句表否定,as引导的定语从句位于主句之后时,as指代的主句不表否定,可用but代替;4.主句表否定,as引导的定语从句位于主句之前时,as指代的主句仍表否定意义;5非限制性定语从句中,which引导的从句不能放在主句前,as 引导的从句可放在主句前后.;6.非限制性定语从句中,as/which用作关系代词时都可指代一个句子,但as有“就像”之意;7.非限制性定语从句中,当从句的谓语动词时be动词或连系动词时,as/which都可作主语;8.非限制性定语从句中,当从句的谓语动词是行为动词时,只能用which作主语;9.非限制性定语从句中,as可作连词引导状语从句,构成“as+过去分词”形式,表定语义;(3)由准关系代词but引导的定语从句:1.but本身含有否定义,相当于who/which/that…not;2.but的先行词往往是有否定义的代词或名词词组,通过双重否定表强烈肯定;3.but用于定语从句中作主语,此时谓语动词的数要与先行词一致,时态要与主句一致;4.but用于引导状语从句时,有“but=that...not”(4)由准关系代词than引导的定语从句:1.than引导的定语从句中,谓语动词的数和时态必须与被比较级修饰的先行词一致;2.than引导的状语从句中,用作连词的than可兼作关系代词在主句中作主语,than指代主句;3.than引导的状语从句中,构成“than+过去分词”结构,than 后省略了形式主语it、动词be;四、复合关系代词引导的定语从句(1)复合关系代词what引导的定语从句:1.定语从句中,what是由先行词和关系代词组成的复合词,是兼作先行词的关系代词;2.what用于指人时,what=the person that;what用于指物时,what=the thing(s) which;3.what在定语从句中起名词作用时,可作主语、宾语、表语;4.what在定语从句中起形容词作用时,修饰名词,意为“仅有的”;5.what在定语从句中起形容词作用时,常与few、little连用,意为“尽管不多,但已全部”;6.what引导的名词性从句中,无疑问义,可作从句的主语、宾语、介宾、宾补;7.what用于表比喻义的特殊结构:A is to B what C is to D;8.what组成的常用短语:What if…? 如果…怎么样?What of it?那又怎么样?(2)复合关系代词whoever,whomever,whichever,whatever引导的定语从句:1.whoever、whomever、whichever、whatever具有名词功能,引导名词性从句;2.whoever、whomever、whichever、whatever指代未知的人或物,在从句中作主语或宾语;3.whichever、whatever在名词性从句中兼起形容词作用,修饰从句中名词,意为“仅有的”;4. whoever、whichever、whatever在名词性从句中兼起副词作用,引导让步状语从句;五、关系代词的省略1.当关系代词在定语从句中作宾语时往往省略;2.当关系代词在定语从句中作表语时,用that且往往省略;3.当先行词为不定代词时,往往不用关系代词;4.当定语从句为there be句型时,往往不用关系代词;5.当主句为there be句型时,实际主语后若带有定语从句,作主语的关系代词有时省略;六、插入语(1)分句用作插入语:I believe、I find、I hear、I imagine、I remember、I think、I sup pose…(2)状语分句作插入语:1.可作插入语的状语分句有:as far as I know、as I told you before、if you like…2.省略形式的状语分句作插入语:if ever、if possible、if any…(3)what构成的惯用插入语:1.“what+be+比较级形容词”结构,意为“而且,尤有甚者“;2.“what we call,what is called”,意为“所谓的”;3.“what+…”的类似结构:what we consider、what you refer to as、what is referred to as…例句:This is the man who helped me.(who在从句中作主语)The doctor whom you are looking for is in the room.(whom 在从句中作宾语)Do you see the house whose windows are all broken?(whose在从句中作定语)The building which stands near the river is our school.(which在从句中作主语)This is the book (which) you want.(which在从句中作谓语动词的宾语)The room in which there is a machine is a workshop.(which 在从句中作介宾)The war killed 1000 people, most of which were very young.(“不定代词+of which”的形式)The committee consists of 20 members, five of whom are women.(“数量词+of whom”的形式)Do you see the house the windows of which are all broken?(“名词+of which”作主语结构之一)Do you see the house of which the windows are all broken? (“名词+of which”作主语结构之二)It rained all night, during which time the ship broke in pieces.(“介词+which+抽象名词”结构)That’s the way (/) he spoke.(the way后接定语的形式之一)That’s the way that he did it. (the way后接定语的形式之二) That’s the way in which you answered the question. (the way后接定语的形式之三)。
英语的关系代词有哪些及用法详解_代词定语从句修饰复合句中的名词或代词,通常把这个被修饰词叫做先行词,把引导定语从句且在从句中作主语、宾语或定语的引导词叫做关系代词。
关系代词的分类关系代词有主格,宾格和属格(所有格)之分,并有指人与指物之分。
that的用法最广,that 可指人也可指物。
见表:限定性指人非限定性指物限定性指物主格who/that which that 宾格whom/that which that 属格whose of which/whose of which/whose 一、指人的关系代词。
主格who,用在动词前,作主语。
属格whose,用在名词前作定语。
宾格whom,用在主语、谓语动词的前面,作动词或介系词的宾语。
二、指物的关系代词。
主格which,用在动词前,作主语。
属格whose,用在名词前作定语。
宾格which,用在主语、谓语动词的前面,作动词或介系词的宾语。
三、指人或物的关系代词。
主格that,用在动词前,作主语。
属格whose,用在名词前作定语。
宾格that,用在主语、谓语动词的前面,作动词或介系词的宾语。
四、其它关系代词。
but,as,than作关系代词引导定语从句but既可指人,也可指物,常在定语从句中充当主语。
but本身含否定的意思,其作用相当于that /which /who...not。
它前面的主句通常有否定的词(如:no,not,little,few,hardly等)。
but引导的肯定定语从句和否定的主句连用,达到强烈肯定的修饰效果。
例如:There is no mother but loves her own children.(=There is no mother that/who does not love her own children.)没有不爱自己孩子的母亲。
as既可指人,也可指物,常在限制性定语从句中充当主、宾、表语。
as引导的定语从句的先行词前面常有as /such /the same等修饰词。
but和than引导定语从句的用法一、but可被看作关系代词,引导定语从句,在句中作主语,在意义上相当于who not或that not,即用在否定词或具有否定意义的词后,构成双重否定。
①There is no mother but loves her children.没有不爱自己孩子的母亲。
②There was no one present but knew the story already.在场的人都知道这个故事。
二、than作关系代词时,一般用在形式为比较级的复合句中,其结构为形容词比较级(more)...than+从句,than在从句中作主语,相当于that,代表它前面的先行词。
这时,它兼有连词和代词的性质①The indoor swimming pool seems to bea great deal more luxurious than is necessary.室内游泳池过于豪华。
②He got more money than was wanted.他得到了更多的钱。
运用上述知识翻译下列句子:1.任何人都喜欢被赞扬。
(but)2.我们大家都想去桂林。
(but)3.没有人不同情那些贫困的孩子。
(but)4.我们班上没有一个人不想帮你。
(but)5.这件事情比想象的要复杂。
(than)6.这个广告的效果比预想的要好。
(than)7.这个问题看起来容易,实际上很难。
(than)8.他爸妈给他的零用钱总是超过他的需要。
(than)答案:1.There is no one but likes to be praised.2.There is no one of us but wishes to visit Guilin.3.There is no man but feels pity for those poor children.4.There is no one in our class but wants to help you.5.This matter is more complex/ complicated than is imagined.6.This advertisement is more affective than is expected.7.The problem may be more difficult in nature than would appear.8.He got more pocket money from his parents than was demanded.5.无论多么荒凉,多么难以行走的地方,人们也能把它变成战场?(but)5.There is no country so wild and difficult but will be made a theatre of war.。
2021届人大附中高中英语新高考语法一轮复习讲义(11)than,as和but作关系代词用法知识点总结整理than, as, but作准关系代词的用法关系代词通常是用来引导定语从句的,than, as和but除了做基本连词外还可以作准关系代词,但是与which,who,that等关系代词不同,than, as和but引导的定语从句与典型的定语从句不太相像,因此称它们为准关系代词。
Than,as,but作准关系代词条件是:前面必须有先行词(名词)例:I have more money than you do (我比你有钱)He has as much money as I do (他和我的钱一样多)There is nothing but he knows(没有什么他不知道的)我们分别进行详细说明:1.Than 作准关系代词的用法Than 之前若有名词,则than = than + the + 前面的名词+ 关系代词(who, whom, which),因此可以将than 视为关系代词。
Than 作准关系代词通常出现在more …than,less…than, fewer…than等结构中,且在从句中可以充当主语,宾语和be动词后得表语。
例1. I have more money than is needed.(than作从句的主语)= I have more money than the money which is needed (我现有的钱比所需要的多)例2. I have more money than h e needs(than作从句的宾语)I have more money than the money which he needs(我现有的钱比他所需要的多)例3. heis a better student than you(are ).(than 作从句的表语)2.As 作准关系代词的用法as之前若有名词,则as = as + the + 前面的名词+ 关系代词(who, whom, which),因此可以将as 可视为关系代词,并在所引导的从句中作主语,宾语和be动词之后的表语。
but和than引导的定语从句由于长期模式化的学习,很多学习者对于定语从句的引导词就有了一种定势的理解,所以无法理解but和than可以充当定语从句中的关系词。
作为特殊的关系代词,but和than 在定语从句中也是充当主语或宾语。
But引导的定语从句相当于一个否定的结构who/which/that...not,表示某某人或事物不....;than引导的定语从句必须出现在比较级中,同时意义上保留“比”的意思。
but引导的定语从句前文已经说过but引导定语从句时的功能及其含义,以下有两个例句,在翻译时一定要注意将but翻译成who/that/which...not例1:Don’t be confined by rules. There is no rules but have exceptions.不要让规则限制了你,没有规则没有例外。
注释:此时but在从句中充当主语,从句相当于there is no rules which/that do not have exceptions。
例2:There is no man but admires her generosity and kind heart.没有人不赞赏她的慷慨和好心。
注释:此时but在从句中充当主语,相当于there is no man who does not admire her generosity and kind heart。
than 引导的定语从句than引导定语从句一定出现在比较级当中,所以在理解上也要将than的意义放进去。
例1:Children today are likely to have less supervision at home than was common in the traditional family structure. (此时than在句中充当主语)与传统家庭结构相比,现代家庭结构中的孩子受到的管教表少了。
定语从句讲义一概要: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。
定语从句最重要的两部分:先行词,即被修饰限定的词;关系词(关系代词或关系副词),引导定语从句又在从句中作成分。
关系代词在从句中作主语,宾语,定语或表语;关系副词在从句中作状语。
因此准确分析关系词在从句中应作的成分,对于我们判断使用关系代词还是关系副词至关重要。
1. 关系词有两个功能,其一引导从句,其二替代先行词在从句中充当成分,因此在定语从句中不会出现先行词。
I want to buy a mobile phone which is new in style.Give me a dictionary whose price ranges from 100 to 150 yuan.As is known to all, anti-terrorism is the major concern around the world.2. 关系词分为关系代词和关系副词:关系代词有:that, which, who, whom, whose, as, but, than等;在定语从句中充当主语,宾语,表语或定语。
关系副词有:when, where, why等;在定语从句中充当时间,地点,和原因状语。
注意:关系副词相当于介词+关系代词I will always remember the days which have left a deep impression on me.I will always remember the days when /during which we were together.This is a city which has attracted many tourists .This is a city where / to which many tourists will go .I don’t know the reason that he told the teacher for his absence.I don’t know the reason why/for which he was rejected .(二)限制性定语从句与非限制性定语从句的区别:I bought a book, which cost me 30 yuan.I, who am blind, advise you to use your eyes well.As we know, smoking is harmful to one's health.The sun heats the earth, which is very important to us.二.关系词的如下:(一)关系代词:1.that: 既可指人,又可指物;1)在从句中可作主语,宾语或表语;当that 在从句中替代先行词作宾语时,可以省略。
定语从句中特殊关系代词as,than和but的用法话题:从句定语教育学习特殊关系代词的用法:关系词通常是用来引导定语从句的,但as,than和but这三个词却与which, who, that, where, when和why等典型的关系词不同。
三者本身具有常见的字面意义,前面有名词作先行词,但后面的定语从句却不像典型的定语从句。
这些既像连接词又像关系词的词,我们就姑且称它们为准关系词。
一、as作为准关系代词出现在the same ... as, such ... as, 和as ... as等结构中。
这时, as前面通常要有名词;as 后面的从句意义上不像是通常的定语从句;as需要在从句中充当一定的句子成分。
1. the same ... as1) as在从句中作主语She is the same person as came here last Sunday. 她就是上星期天来这儿的那个人。
2) as在从句中作宾语This is the same watch as I lost while I was doing the sightseeing in Shanghai three months ago. 这块表跟我三个月前在上海观光时丢失的那块一样。
3) as在从句中作be动词的表语China is not the same country as it used to be. 中国已今非昔比。
4) as在从句中作行为方式状语You should learn to do housework in the same way as your mother does it. 你应该学会像你母亲那样做家务活。
2. such ... as1) as在从句中作主语Let children read such books as tend to make them better and brighter. 让孩子看那些容易让他们变得更好更聪明的书。
定语从句定语: 对名词或代词起修饰、限定作用的单词、短语或句子,汉语中常用“……的”表示。
定语从句是由关系词(关系代词或关系副词)引导的从句,其作用是作定语修饰主句的某个名词或代词。
其功能相当于形容词,被修饰的名词或代词被称作为先行词。
关系词三功能:连词作用,引导从句;代替先行词;在从句中充当除谓语的一个部分,起一定的句法作用。
关系代词that, which, who, whom, whose引导的定语从句The people who/that called yesterday want to buy the house.本句中先行词是the people;关系代词who或that指人,代替the people,关系代词在定语从句中作主语。
翻译时可把定语从句译为主句的定语。
翻译: 昨天打电话来的那些人想买这个房子。
The man (whom / who / that) I have to phone lives in Canada.本句先行词为the man,关系代词共有三种表达whom,who,that均可指人,在定语从句中关系代词作宾语时可省略。
翻译:我不得不致电的那人住在加拿大。
注意:关系代词指代的先行词在定语从句中做宾语的时候,关系代词才可以省略,做其他成分的时候不可省略。
She was not in the train which / that arrived just now.本句中先行词是the train,关系代词which / that 均可用于指物,代替thetrain,关系代词在定语从句中作主语。
翻译:她不在刚刚到的那列火车上。
This is the book (which / that) you wanted.本句中先行词为the book,关系代词that / which指物,代替the book,关系代词在定语从句中作宾语,可省略。
翻译:这就是你想要的那本书。
I live next door to a couple whose children often make a lot of noise.We live in a house whose window opens to the south.whose既可以指人,也可以指物。
定语从句中as的用法总结定语从句中的as可以作为关系代词或连接词。
1.作为关系代词:-在非限制性定语从句中,用于表示身份、职业、国籍等方面的同一性或相似性关系。
例如:She works as a teacher, as her mother does.(她像她妈妈一样,是个老师。
)-在限制性定语从句中,用于指代整个主句的内容,相当于“which”或“that”。
例如:The hotel, as I mentioned earlier, is located in the city center.(就像我之前提到的,那家酒店位于市中心。
)2.作为连接词:-表示原因或理由,相当于“because”、“since”或“for”。
例如:He couldn't come to the party, as he was busy with work.(他因为工作忙,所以不能来参加派对。
)-表示方式或方式,相当于“in the way that”或“as if”。
例如:He did the work as instructed.(他按照要求完成了工作。
)-表示“正如……一样”,相当于“just as”。
例如:As many people say, laughter is the best medicine.(就像很多人说的那样,笑是最好的药。
)另外,形容词、副词或介词短语也可以用as来引导定语从句:-形容词:such as、same as等(表示“像……这样的”)例如:He likes fruits such as apples and oranges.(他喜欢诸如苹果和橙子之类的水果。
)-副词:as soon as、as far as等(表示“尽早”、“就……来说”)例如:I will let you know as soon as I receive the package.(我一收到包裹就通知你。
定语从句中的特殊用法定语从句是起定语作用的,修饰,说明名词,代词或句子内容的从句,被定语从句修饰的词叫做先行词。
引导定语从句,并在句中担任成分的词叫做关系代词或关系副词。
定语从句是高考常考内容之一,使用时要尤其注意以下十种特殊用法。
一、只用that不用which的情况1、当先行词是all, little, few, much, something, everything, anything, nothing, none等不定代词时。
如:Everything that happened then was like a nightmare.当时发生的一切就像是一场噩梦。
I will tell him all that you told me at the ball.我要把你在舞会上跟我说的话全都告诉他。
2、当先行词被only, any, few, little, no, all, just, very(恰好的,表示强调)等词修饰时。
例如:The only thing that we could do was to wait.我们能做的只是等待。
That’s the very thing that we can do.那正是我们能做的事。
3、当先行词是序数词、形容词最高级或先行词被序数词或形容词最高级修饰时。
例如:The first place that we visited was the Great Wall.我们参观的第一个地方是长城。
This is the best novel that I have ever read.这是我看过的最好的小说。
4、被修饰词为数词时。
例如:Yesterday I caught two fish and put them in a basin of water. Now you can see the two that are still alive. 昨天我捉到了两条鱼,把它们放在一盆水里。
完形填空技巧【3分技巧】1.A、B、C、D的个数在4~6个,5个最常见。
2.连续两个答案都一样的情况在0~3个,基本没有连续3个答案一样的情况。
每组接缝之间不会出现答案一样的情况。
3.A作为正确选项的个数最多,B作为正确选项的个数最少。
4.完形填空20个空选相同答案给分,至少能得3分。
【4分技巧】红花绿叶原则红花词(往往入选的词)However,adv.“然而,但是”,标志为逗号。
放句中时前后加逗号,放句首时后面加逗号,放句尾时前面加逗号。
入选概率远大于but(有类似用法的词还有for example=for instance,though[仅限副词时],nevertheless,it turns out)AlthoughYet,“尚(未)”,与already相对Yet/still/already区别Because①because与forBecause从属连词,既可以放句首也可以放句中。
从属连词放句中时,前面往往不加逗号。
For并列连词,只能放句中,(for后面跟名字或名词短语可以放句首,其他时候不能放句首)。
并列连词放句中时,前面逗号可加可不加。
②because与because ofBecause,连词,后面跟完整句子。
Because of,介词,后面跟名词或名词短语。
③because同义词是in thatWhile,表让步:虽然/尽管;表转折:然而/但是;表并列:同时。
①while位于句首,一般表示“尽管……”,引导让步状语从句。
②while也可以用作并列连词,相当于whereas,连接一个表示对比的并列分句。
③while可以引导省略句,其引导省略式的状语从句的条件是:①从句主语与主语相一致;②从句是系表结构。
同时满足以上两个条件之后,可省去从句中的主语和系动词。
Available/Availability二代红花词三代红花词AffectFor example,“例如”标志为逗号,放句中时前后加逗号;放句首时后面加逗号;放句中时前面加逗号。
浅谈but和than引导的定语从句在初级英语阶段,学生知道引导定语从句的关系代词有who (whom, whose),that和which等。
到了中高级阶段,这些显然是不够的。
还应了解but和than也可以用作关系代词的情况,以拓宽知识面,提高语言识别和理解能力。
1.but在英语句子中可用作关系代词,引导定语从句。
但应特别注意but虽然形式上是肯定的,意义上却是否定的。
这正是but和其它关系代词(who, that , which等)不同之处。
例如:(1)There is no rule in English but has exceptions.英语中没有无例外的规则。
(2)There is no old habit but may be cured by a strong will-power.通过强大的意志力没有改不了的旧习惯。
(3)With the introduction of the electronic computer, there is no complicated problem but can be solved in a few hours.由于引进了电子计算机,没有在几小时内解决不了的复杂问题。
(4)There is no human being but errs.没有不犯错误的人。
如果将以上例句(1)、(2)和(3)中的关系代词but改成that,或者将例句(4)中的关系代词but 改成that或who,那么定语从句必须改成否定从句才能与原句意义相一致。
例如:(5)There is no rule in English that has no exceptions/ that has not any exceptions.(6)There is no old habit that may not be cured by a strong will-power.(7)With the introduction of the electronic computer, there is no complicated problem that cannot be solved in a few hours.(8)There is no human being that(who)makes no mistakes/that(who)does not makes any mistakes. 【注意】如果(5)、(6)、(7)、(8)中没有明确的否定词no或not any等,其意义则完全相反。
代词的用法详解代词的用法详解代词分为:人称代词;物主代词;反身代词;相互代词;指示代词;疑问代词;关系代词;连接代词;不定代词。
Ⅰ.人称代词主格:I you he she it we you they宾格:me you him her it us you them1.人称代词的用法1)作主语(作主语时用主格)We love our country.我们热爱我们的祖国。
You cannot eat your cake and have it.鱼与熊掌不可兼得。
2)作宾语(作宾语时用宾格)Winnie is a nice girl. We all like her.温妮是个好姑娘。
我们都喜欢她。
Tell him to call back later.告诉他过一会儿回电话。
3)作表语(在口语中用宾格)If I were her, I would stay.要是我是她,我就留下来。
Don’t blame Tom. It’s me who broke it.别怪汤姆,是我打破的。
2. 人称代词的宾格代替主格的几种场合1)在日常生活中,人称代词作表语时,常用代词的宾格。
A: Who is knocking at the door?谁在敲门呀?B: It’s me.是我。
2)口语中,当人称代词孤立地用于不带谓语的句子中作主语时,常用代词的宾格。
A: I don’t want to go to the theater tonight.今晚我不想去剧院。
B: Me neither.我也不想去。
A: I’d like to stay here for another week.我想在这里再呆一周。
B: Me too.我也是。
3)在带as 和than 的比较级后面,许多场合下用代词的宾格。
She knows me as well as him.她像了解他一样了解我。
He is taller than me.他比我高。
状语从句状语从句在句中作状语,可分为:时间、条件、让步、原因、目的、结果、比较、地点、方式状语从句。
一、时间状语从句引导时间状语从句的连词有:when, as, while, until, not…until, before, after, since, the minute, the moment, each( every, next, the first) time等。
时间状语从句中一般用一般现在时或一般过去时。
1.When , while, as都可解释为“当```的时候”但侧重点有所不同。
1)WhenEg: When I arrived home , I had a little rest.注意点:when 从句的主语与主句主语相同,谓语动词是be 动词时,从句主语和be可以省略。
Eg: When (she was) walking along the street, she met her class teacher.2)AsAs 除了表示“当```的时候”,还可表示为“一面```一面”,“随着”Eg: He sang as he danced.(一面```一面)You will grow wiser as you grow older.(随着)3)While表示“当```的时候”强调主句的动作和从句的动作同时发生,从句一般用进行时,从句动词必须是延续性动词。
Eg: While we were working, they were having a rest.While (they were) having a discussion, they got very confused.注意点:while 有对比的含义,解释为“然而”。
eg: I prefer black tee, while he likes coffee.2.until, not…until表示“直到```才”,在肯定句中主句常用延续性动词;在否定句中主句常用短暂性动词。
关系代词as,but和than
定语从句是大家非常熟悉的一种从句,在考试中可以说是无处不在。
说到定语从句的关系代词,大家肯定会异口同声地喊出“that”“which”“who”……今天我们要讲讲as、but和than这三个特殊的关系代词。
As、but和than通常都是以介词、连词等身份被大家所熟知,而它们居然可以摇身一变成为关系代词,在定语从句中做主语和宾语。
As最基本的用法是做连词“与……一样”表示同级的比较,介词“作为”。
下面是它特殊的用法,例句:
1. He does not possess such qualifications as are necessary to be an actor.他并不具备一名演员应有的资格。
2. She bought the same skirt as I had bought last week so I need to talk to her about it so we don't wear them the same at the same time.她买的那条裙子和我上周买的一模一样,我要和她商量一下,免得“撞衫”。
上面两个例句中定语从句都使用了as作为关系代词,我们可以发现例句1中含有“such…as…”,例句2中含有“the same…as…”,由此可见,我们到底要不要使用as来做关系代词,可以根据句中是否出现了与as搭配的短语进行判断。
3. The murderer who had killed several people on the campus was finally arrested by the police, as was expected.如我们所愿,那个在校园杀害数人的杀人犯终于被警方逮捕。
该句中并未出现与as搭配的短语,此处的用法是as做关系代词指代前面整个句子,在定语从句中做主语。
But
大家熟悉的but基本都是以转折连词的身份出现,但是它还兼职在做定语从句中的关系代词。
例句:There is no man but errs.没有任何人能够不犯错误。
句中的先行词是man,but自然就充当了关系代词的角色,但我们从句意中可以发现,but带有一层否定的意思,相当于“who not”。
那么我们可以把例句转换为:There is no man who does not err.
但要注意,只有在but 前有先行词的时候才有此用法!请比较下面这个例句:
He did nothing after graduation but spend his parents' money.他毕业之后无所事事,就知道花爸妈的钱。
该句中but是介词的用法,有转折的意义。
Than
即可以做连词也可以做介词的than都是比较的含义,它居然也可以用在定语从句中。
例句:1. Parents had better not give kids more money than is needed.父母最好别给孩子们太多的钱,够用就可以了。
2. Don't order more food than can be finished.别点太多吃的,会吃不完的。
此处Than以主语的形式出现在定语从句中,其实省略了what,than也就等于than what。
例句也可以写作:Parents had better not give kids more money than what is needed
例句2则可以转换为:Don't order more food than what can be finished 不管是做介词、连词也好,在定语从句里做关系代词也罢,than都表示了一个比较的关系,从上述两个例句来看,句中都出现了比较级的形式。