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高中英语定语从句全面详细讲解-CAL-FENGHAI.-(YICAI)-Company One1定语从句一定义及相关术语1．定语从句：修饰某一名词或代词的从句叫定语从句。
定语从句一般紧跟在它所修饰的词之后。
2．先行词：被定语从句修饰的词叫先行词。
3．关系词：引导定语从句的词叫关系词。
关系词有关系代词和关系副词。
关系代词有that, which, who, whom, whose, as等；关系副词有when, where, why等The man who is shaking hands with my father is a policeman.注意：弄清楚关系词在定语从句中充当什么成分，是掌握定语从句、选择好关系词的关键。
二关系代词引导的定语从句1. who 指人，在定语从句中作主语。
The boys who are playing football are from Class One. 正在踢足球的男孩是一班的。
Yesterday I helped an old man who had lost his way. 昨天我帮助了一位迷路的老人。
That is the teacher who teaches us physics. 那就是教我们物理的老师。
2. whom 指人，在定语从句中做宾语，常可省略，在口语或非正式文体中常可用who 来代替。
Li Ming is just the boy (whom) I want to see. 李明正是我想要见的男孩。
The professor (whom) you are waiting for has come. 你正在等的教授已经来了。
The girl (whom) the teacher often praises is our monitor. 老师经常表扬的那个女孩是我们的班长。
3.which 指物，在定语从句中做主语或宾语，做宾语时常可省略。
Be doneIs ,am are doneWas , were doneHave,has been doneHad been doneWill be doneA building will be built in our school next year .Be to be doneBe going to be doneThe building ____next year is our teaching building .A is to be built Bwhich is to be builtThe professor who is to give us a speech is from a famous university . Be being doneThe building is being built .The new machine was being tested .The bridge ____ will be completed next month .A is being constructedB to be constructedC being --edHave being --edC builtD having builtAdmit sb as /to be 承认某人为。
Admit sb to /intoSb be admitted to/into 容许某人进入被录取Because he was admitted to BeiJing University , everyone admitted him to be intelligent.Admit doing/having done 承认做了某事The thief admitted having stolen a car .Admit that ... 承认Admit of 容许The project admits of no delay .Admission . 入场券入场费John worked hard at his lessons and gained ____to a famous university last yearA permissionB admissionC agreementD freedomLittle Tom admitted____in the exam , ___that he wouldn’t do that again.A to cheat , promiseB cheating , promisedC having --ed promisingD to have -ed , -d Where was it ___you ____our maths teacher ?A where , came toB that , come acrossC that , came acrossD where ,come toTogether withAlong withAs well asRather thanIt worries the parents a lot that their only daughter doesn’t study hard as she ___and is not so active as she ____A used to used toB would ,wouldC used to used to beD used to study, used to be___by his grandparents , Tom wasn’t used to ___with his parents.A being brought up livingB brought up ,livingC to be brought up ,liveD to bring up . LiveThis is not my story , nor ___the whole story .My story plays out differently.A is thereB there isC is itD it isAllow sb to do sthAllow doing sthPermit sb to doPermit doingHouse v. 居住As well 也May,might as well do 不妨还是。
定语从句知识点讲解定语从句是用来修饰名词或代词的从句。
它常常用来给出详细的描述、限制或补充说明，以便读者可以更好地理解主句中的名词或代词。
以下是几个关于定语从句的重要知识点：1.引导定语从句的关系代词和关系副词：- 关系代词有：who, whom, whose, which, that（指人或物）- 关系副词有：when, where, why（指时间、地点、原因）2.关系代词的选择：- 指人的先用who，做宾语用whom，所有格用whose，作主语用that （在口语中who/that可通用）- 指物的先用which，作宾语用which，作主语用that（在口语中which/that可通用）-当关系代词作主语时，可以省略（不可以省略的情况：关系代词后有逗号分隔、定语从句修饰不止一个名词）3.定语从句的位置：-定语从句通常紧跟在被修饰的名词或代词后面4.定语从句的种类：-限制性定语从句：不使用逗号分隔，修饰的内容是对名词或代词进行必要的限制和定义-非限制性定语从句：使用逗号分隔，修饰的内容是对名词或代词进行额外的说明，可以省略，不对整个句子的意思产生重要影响5.关系副词的使用：- when：指时间，修饰表示时间的名词- where：指地点，修饰表示地点的名词- why：指原因，修饰表示原因的名词6.注意定语从句的时态和语态一致：-如果主句是过去时，则定语从句通常使用过去时-如果主句是现在时，则定语从句通常使用一般现在时-如果主句是将来时，则定语从句通常使用一般将来时-如果主句是被动语态，则定语从句通常使用被动语态以上是定语从句的一些基本知识点，掌握了这些内容，可以更好地理解和运用定语从句。
当然，在实际运用中还需多加练习，不断积累。
where引导的定语从句修饰抽象名词一、修饰point的where定语从句有时候，你会到达一个药物无法治疗的地步。
危机已经到了必须召唤破产管理人的地步。
我们已经到了必须做出改变的地步。
有时候，point也可以指具体的地点。
把AB线和CD线相交的点称为E。
二、修饰case的where定语从句有些情况下，___一词可以用作副词。
三、修饰activity的where定语从句四、n的where定语从句他陷入了一个难以判断是非的境地。
1.We’re just ___.我们只是试图达到一个双方能够坐下来谈话的地步。
2.She had got to the point where she felt that she could not take any more.她已经到了无法承受的地步。
3.The treatment will continue until ___ the point where he can walk ___.治疗将继续进行，直到患者能够正确、安全地行走的地步。
4.It ___ it got to the point where no one knew what was going on.情况变得如此混乱，最终到了没有人知道发生了什么的地步。
5.I don't want a job where I'm chained to a desk for eight hours a day.6.Drink-driving is one case where ___.1.It was on the farm where we worked that I got to know her.2.Some pre-school children go to a day-care center where they learn simple ___.3.Those ___ is an activity where sight matters more than hearing.1.___ where one person dominates the other。
where引导的定语从句修饰抽象名词where引导的定语从句修饰抽象名词。
⼀、where定语从句修饰抽象名词pointYou reach a point where medicine can’t help. 你已到了药物⽆法治疗的地步。
The crisis has reached a point where the receiver will have to be called in. 危机已达到⾮把破产管理⼈叫来不可的地步。
We have reached a point where a change is needed. 我们到了必须改⼀改的地步。
注：有时point也可以是具体的地点：Let the point where AB cuts CD be called E. 设AB线与CD线的相交点为E。
The accident happened at the point where the A15 joins the M1. 事故发⽣在A15与M1交叉的⼗字路⼝。
⼆、where定语从句修饰抽象名词caseThere are cases where the word “mighty” is used as an adverb. 在⼀些情况下，mighty⼀词可⽤作副词。
Today, we’ll discuss a number of cases where beginners of English fail to use the language properly. 今天，我们将讨论⼀些英语初学者对英语使⽤不当的问题。
三、where定语从句修饰抽象名词activityThose successful deaf dancers think that dancing is an activity where sight matters more than hearing. 那些失聪的成功舞蹈演员们认为，舞蹈是⼀种让⼈看胜过让⼈听的活动。
高三英语定语从句知识精讲冀教版【本讲教育信息】一. 教学内容：定语从句［学习过程］同学们在定语从句的复习中应该注意以下要点：〔一〕关系代词that和which 使用时应注意的几点1. 在如下情况下只用that，不用which①先行词是all, everything, nothing, anything, little, much, the one等不定代词时There is nothing ( that ) I can do.I mean the one that was brought yesterday.②先行词被all, any, every, no, some, little, much等词修饰时I have read all the books (that) you gave me.You may take home any of these books that you like.③先行词被序数词或形容词最高级修饰时This is the first composition (that)he has written in English.This is the best novel (that) I have ever read.④先行词被the only, the very(正是,恰是), the same, the last修饰时The white flower is the only one ( that) I really like.This is the very book (that) I want to find.The last place( that) we visited was the hospital.This is the same watch that I lost yesterday.⑤当先行词有两个或两个以上时,既有人又有物,定语从句用that 引导(that既可指人也可指物)He talked about the teachers and schools that he had visited.2. 如下情况不能使用that,而用which①that 不能引导非限制性定语从句Football, which is a very interesting game, is played all over the world.②that不能置于介词之后〔介词后指物用which,指人用whom〕The person to whom I am speaking just now is our English teacher.The prize for which he worked so hard was a new bicycle.〔二〕as 作关系代词的用法1. 关系代词常出现在the same…as, such…as, so…as, as…as 等结构中This is not such a book as I expected.I live in the same building as he (lives in).Here is so big a stone as no man can lift.As many children as came here were my father’s pupils.★the same…that…和the same…as…的区别I have bought the same watch as you have.我买了一块和你一样的手表。
语法讲座：定语从句一、先行词、关系代词和关系副词1．先行词(antecedent)就是被定语从句所修饰的名词。
在英语中，定语从句跟在被修饰词之后，所以被修饰词就是“先行”的词。
eg. The lovely girl often helps the old lady.She lives next door to our school.→The lovely girl who lives next door to our school often helps the old lady.→The lovely girl often helps the old lady who lives next door to our school.The lovely girl often helps the old lady.You met her at school yesterday.→The lovely girl (whom)you met at school yesterday often helps the old lady.→The lovely girl often helps the old lady (whom) you met at school yesterday.2．连接定语从句，要用关系代词(relative pronoun)和关系副词(relative adverb)。
关系代词和关系副词与连接词不完全相同，因为它们除了连接主句和定语从句，还在定语从句中代替一定的成分。
eg. The book which I bought yesterday is very interesting.←The book is very interesting. I bought the book yesterday.I have visited the house where Andersen wrote The Emperor’s New Clothes.←I have visited the house. Andersen wrote The Emperor’s New Clothes in the house.二、关系代词1．who的先行词是“人”，在从句中代替主语。
