定语从句(2) 2
定语从句2
【3】介词+关系词This is(这是) the house in which I lived two years ago(我两年前住过的房子).。
This is(这是) the house where I lived two years ago(我两年前住过的房子).Do you remember(还记得) the day on which you joined our club(你加入我们俱乐部的那一天吗)? Do you remember(还记得) the day when you joined our club(你加入我们俱乐部的那一天吗)?注意：1).介词后面的关系词不能省略。
2).that前不能有介词。
3).某些在从句中充当时间，地点或原因状语的"介词+关系词"结构可以同关系副词when 和where 互换。
【4】关系副词引导的定语从句关系副词可代替的先行词是时间、地点或理由的名词，在从句中作状语。
1）关系副词when, where, why的含义相当于"介词+ which"结构,即：when(= at/on/in which), where(=at/on/in which), why(= for which)，因此常常和"介词+ which"结构交替使用。
例如：There are occasions when （= on which） one must yield. 任何人都有不得不屈服的时候。
Beijing is(北京是) the place where（= in which）I was born(我出生的地方).Is this(这就是) the reason why （= for which）he refused our offer(他拒绝我们帮助的理由吗)? 2）that代替关系副词，可以用在表示时间、地点、方式、理由的名词后取代when, where, why和"介词+ which"引导的定语从句，在口语中that常被省略。
定语从句 (2)
语法四：定语从句一 .概述在英语中，我们通常用作定语修饰名词或代词。
若要表达更复杂的意思，需借助来修饰名词。
定语的位置：前置定语：单词（ _______、______，_____， _________）后置定语：______和_______（定语从句）I do not like lazy people.(转为定语从句）被修饰的名词/代词因为总在定语从句前面，所以被称为_____。
引导定语从句的词，被称为______。
二.定语从句的三个重要概念（1）先行词———被定语从句所_____或_____的对象。
（2）关系词———连接____和____，在定语从句中充当一定____的词。
（3）不完整的句子。
（4）定语从句的结构=先行词+_____+_______的句子e.g.Envy is like a fly that passes all a body’s sounder parts and dwells upon the sores.三 .关系词定语从句主要考察的就是引导词的选择，定语从句的引导词分为三类：1 关系代词：关系代词先行词指人：______ ,______先行词指物：________先行词指人指物均可：_________先行词指人或指物的所有关系： ______（谁的，定语） ;2 关系副词：副词是表示行为或状态特征的词，修饰_____、_____或_____，表示时间，地点，程度，方式等概念。
本身后面句子主干完整，补充表_____，____,______的副词让句子完整。
时间状语：______地点状语：______原因状语：______3 特殊关系词：as;whose ;whyps:定语从句没有______ 和_______.1 、特殊关系词特殊关系词直接靠翻译做题即可。
as:“正如”（1）as的本质是个关系_____，指代_________。
（2）as引导的定从可放主句之前（可放中间，后面）。
定语从句(2)
第
1 步
专题九 定语从句
第 3
步
第
2 步
第二部分 专题九
第1页
高考一轮总复习 ·英语
定语从句高考考点
第 1
考点一
步
考点二
考点三
第
2 步
考点四
关系代词引导的定语从句
关系副词引导的定语从句
第
3
“介词＋关系代词”引导的定语从句 步
as，which引导的定语从句
考点五 way和time后接定语从句的情况
之一是减缓全球范围的饥荒。
第
2 步
②Trading leather shoes is the business ___o_n_e_o_f_w__h_o_s_e___
the Greens are devoted. 皮鞋生意是格林一家所专注的事业。
第二部分 专题九
第21页
高考一轮总复习 ·英语
③[2016·浙江]The study suggests that the cultures we grow
2
步 (＝whose price) was very reasonable.
最近我买了个古代的花瓶，它的价钱很合理。
第二部分 专题九
第22页
高考一轮总复习 ·英语
第
1
步
⑤His head soon appeared out of the window，
__f_r_o_m__w_h_e_r_e_____he saw nothing but trees.
3
关系副词where引导定语从句；如果作主语、宾语或表语，则 步
第 2
用关系代词that/which引导定语从句。
定语从句(2)
4) Her bag, in __w_h__ic_h__ she put all her money, has been stolen.
5) She heard a terrible noise， _w_h__ic_h_ brought her heart into her mouth.
2. Tomorrow I will bring here a book fo_r_w__h_ich you asked.
定语从句(2)
难点一：as的用法
1. It is such a big stone __a_s__ nobody can lift.
2. __A_s___ is known to all, he is the best student. 3. This is the same watch as I lost.
Translate the following English proverbs into Chinese and then pick out the attributive clauses.
1. God helps those who help
themselves .
天助自助者.
2. He who laughs last laughs best . 笑到最后的人才是英雄.
归 指代事物 which, that, as 纳 所属关系 whose
系 代
总 结
指地点 指时间
where when
关 系
词
指原因 why
副
做题技巧?
词
先分析定语从句中缺少什么成分
定语从句 2
第17课定语从句 2导言互译时注意这一语言差异，对掌握英语很有帮助。
在学习定语从句时，请注意关系代词和关系副词的区别，关系代词在从句中起到的是名词的作用，而关系副词起的是副词或介词短语的作用，即状语的作用。
▲关系副词WHEN-----代替时间WHERE-----代替地点WHY-----代替原因WHEN先行词关系副词在从句中做状语从以上的例句中可以看出，关系副词在从句中代替的是一个介词短语，相当于on the day，做状语。
该句也可以用关系代词来做。
请注意关系代词与关系副词的区别。
●先行词关系代词在从句中做介词on●WHERE●看，那就是我出生的房子。
注：where在从句中充当状语，代替in the house，该句也可以用关系代词来做。
WHY●I know the reason. She is unhappy for the reasontoday.●关系副词why代替从句中for the reason。
此句可以用关系代词做。
●●I know the reason▲as引导定语从句，先行词可以是一个名词，也可以是一个短语或一个句子。
as本身含有“像”的意思，而从句的位置不一定要在先行词之后●know的宾语代替前面整个句子(As you know, the earth moves around the sun.)正像你所知道那样地球围绕太阳运行。
●as-----------Miguel de Cervantes, Spanish novelist正如我的一位祖母说过的那样，这个世界上只有两家人：那就是富人和穷人。
-----西班牙小说家塞万提斯.M.●Money is the sinews（力量） of love, asAs = Money is the sinews-----------George Farquhar, Irish dramatist金钱是爱情的支柱，犹如金钱是战争的支柱一样。
高三语法总复习定语从句 (2)
关系代词只用that的情况 的情况 关系代词只用
• 1.先行词 先行词all, everything, nothing, something, 先行词 anything, little, much 等不定代词 • 2. 先行词被 先行词被all, every, no, some, any, little, much 等修饰。 等修饰。 • 3. 先行词被序数词或形容词最高级修饰时。 先行词被序数词或形容词最高级修饰时。 • 4.先行词被 先行词被the only, the very, the same, the last 先行词被 修饰时。 修饰时。 • 5.有两个或两个以上的分别表示人和物的先行词， 有两个或两个以上的分别表示人和物的先行词， 有两个或两个以上的分别表示人和物的先行词 从句应用that,而不是其他。 而不是其他。 从句应用 而不是其他 • 6. 当主句是以 当主句是以who, which 开头的特殊疑问句时， 开头的特殊疑问句时， 定语从句多用that,而不用 而不用who (whom), which. 定语从句多用 而不用
Where、when的特殊意义 、 的特殊意义
• 有时先行词不是 有时先行词不是day、time、room、place等明确的表示时 、 、 、 等明确的表示时 地点的名词，而是occasion, age, case, point, chair, 间、地点的名词，而是 business, situation，stage, condition等，定语从句也要 ， 等 来引导。 用when，where来引导。例如： ， 来引导 例如： • ①We are living in an age when many things are done on computer. • ② Harry does recall one difficult occasion, when a man who refused to repent(忏悔，悔改) was asked to 忏悔， leave. • ③If a shop has chairs where women can park their men, women will spend more time in the shop. • ④He’s got himself into a dangerous situation where he is likely to lose control over the plane. (2001上海 上海) 上海
定语从句2
Rewrite the sentence using the attributive clause: 1. I remember the day. “The Beatles” played their first hit on that day. I remember the day when “The Beatles” played their first hit.
5 when, where, why 与that, which 的区分 why This is the reason ___________ ( = for which ) I didn’t come here. which/that The reason __________ she gave was not true. 指时间， 指时间，地点或原因的先行词在定语 从句中作主语或宾语， 从句中作主语或宾语，用which或that 或 引导定语从句。 引导定语从句。
1.This is the best TV _____ is made in that China. 2.The first museum _____ he visited in that China was the History Museum. 先行词被形容词最高级或序数词修 饰时，引导定语从句用that 。 饰时，引导定语从句用
对比练习
1. It is very useful to master a foreign which language,_____ has been said before. 2 ___ everyone hoped, Mary has As won the first prize. as引导定语从句可放在句首，句中， 引导定语从句可放在句首， 引导定语从句可放在句首 句中， 句末， 句末，而which 引导定语从句不能放 在句首.as译为正如 好像, 译为正如， 在句首 译为正如，好像 which 则 没有此义。 没有此义。
定语从句 (2)
注意：１． 含有介词的短语动词一般不拆开，介词仍放在短语动 词的后面。如：look for, look after, take care of 等。 This is the watch (which / that) I am looking for. (正) This is the watch for which I am looking . (误) The babies (whom / who / that) the nurse is looking after are very healthy. (正) The babies after whom the nurse is looking are very healthy. （误） ２．若介词放在关系代词前，关系代词指人时只可用whom，不可 用who, that；关系代词指物时只可用which，不可用that。关系代词 是所有格时用whose。 The man with whom you talked just now is my neighbour. (正) The man with that / who you talked just now is my neighbour. (误) The plane in which we flew to Canada was really comfortable. (正) The plane in that we flew to Canada was really comfortable. (误)
定语从句知识点详解(初中英语专项复习) (2)
定语从句知识点详解（初中英语专项复习）1.引导定语从句的关系代词（1)who,whom用来指人，who在从句中作主语、宾语；whom在从句中作宾语。
Success will belong to those who never say "impossible".成功永远属于那些从不说“不可能”的人。
（2)which用来指物，在从句中可作主语、宾语，作宾语时可省略。
－What shall we do next?我们下一步应该做什么？－Take the advice which is given by Dr. Bloch.采纳布洛赫博士给的建议。
（3)that既可指人又可指物，在从句中可作主语、宾语。
I like the movies that are about Chinese history.我喜欢那些关于中国历史的电影。
（4)whose用来指人或物，只用作定语。
Chaplin was a great actor whose name is well-known all over the world.卓别林是一位闻名于世的伟大的演员。
2.引导定语从句的关系副词（1)when代替时间，where代替地点，相当于“介词＋which”，因此常交替使用。
I'll never forget the day when/on which I won the prize.我永远不会忘记我获奖的那天。
This is the city where/in which I have worked for 20 years.这就是我工作了20年的城市。
（2)why在从句中作原因状语。
We don't know the reason why he didn't come yesterday.我们不知道他昨天没来的原因。
3.定语从句只用that不用which 引导的情况（1)先行词是指物的不定代词，如all,little,much,everything,anything,nothing等，或先行词被不定代词修饰时。
定语从句(2)限制性和非限制性定语从句+课件-2025届高三英语一轮复习
限制性和非限制性定语从句区别
(3)翻译不同
含有限制性定语从句的句子一般先译从句,后译先行词,即把从句放在先行词前,译为“……的+先行 词”。含有非限制性定语从句的句子一般先译主句,后译从句,译成两个分句。
He is the man who lives next to me.他就是住在我隔壁的那个人。 He is a warm-hearted man , who lives next to me.他是个热心肠的人,住在我的隔壁。
用正确的关系词填空：
小试牛刀
1.It is a truly delightful place,________looks the same as how it looked 100 years ago
with its winding streets and pretty cottages.
2.This woman has set a good example to her son, ________is a really lucky guy.
定语从句2
限制性和非限制性定语从句
第1章 限制性定语从句 非限制性定语从句
定语从句分类
1 限制性定 语从句
2 非限制性 定语从句
限制性定语从句
比较这两个句子： She despised people.(她看不起人) She despised people who flattered her.(她看不起吹捧她的人)
通过以上句子，你能总结出这两 类定语从句的用法区别吗？
限制性和非限制性定语从句区别
(1)形式不同
限制性定语从句与主句之间无逗号隔开;非限制性定语从句与主句之间通常有逗号隔开。 This is the best novel that I have ever read.这是我读过的最好的小说。 I read a novel last night, which is very interesting.我昨天晚上读了一本小说,它非常有趣。
初中英语定语从句专项语法讲解(2)
一、定语从句的概念在复合句中，修饰某一名词或代词的从句叫定语从句。
被修饰的名词或代词叫先行词，定语从句一般放在先行词的后面。
二、定语从句的关系词引导定语从句的关系词有关系代词和关系副词，常见的关系代词包括that，which，who（宾格whom，所有格whose）等，关系副词包括where，when，why等。
关系代词和关系副词放在先行词及定语从句之间起连接作用，同时又作定语从句的重要成分。
三、定语从句的分类根据定语从句与先行词的关系，定语从句可分为限制性定语从句及非限制性定语从句。
限制性定语从句紧跟先行词，主句与从句不用逗号分开，从句不可省去，非限制性定语从句主句与从句之间有逗号分开，起补充说明作用，如省去，意思仍完整。
四、关系代词的用法1. that 既可以用于指人，也可以用于指物。
在从句中作主语或宾语，作主语时不可省略，作宾语可省略。
例如：Mary likes music that is quiet and gentle.玛丽喜欢轻柔的音乐。
（that作主语）The coat （that）I put on the desk is blue.我放在桌子上的那件外套是蓝色的。
（that作宾语）2. which用于指物，在句中作主语或宾语，作主语不可省略，作宾语可省略。
例如：The building which stands near the train station is a supermarket.位于火车站附近的那座大楼是一家超市。
（作主语）The film （which）we saw last night was wonderful. 我们昨天晚上看的那部电影很好看。
（作宾语）3. who，whom用于指人，who 用作主语，whom用作宾语。
在口语中，有时可用who代替whom，也可省略。
例如：The girl who often helps me with my English is from England.经常在英语方面帮助我的那个女孩是英国人。
高中英语定语从句 (2)
3.We will visit the school. My mother works in the school. We will visit the school______my mother works in. We will visit the school______my mother works .
关系副词when/where/why的基本用法
1.I will remember the day when I was born. =on which
2.Please write down the year when you were admitted to college.
先行词 引导词（关系副词）
We will visit the school where my mother works.
主句
定语从句
Attributive Clause(定语从句)
定 义： 在句子中做作用定语的句子。
先行词：被定语从句修饰的名词或代词。
关系词：引导定语从句的词，据其在定语从句中的功能分为 关系代词和关系副词。
制性定语从句,在定语从句中做主语,宾语或表语， 一般和such,so,as,the same 连用构成搭配
=As we all know众所周知 1.As is known to us all, TaiWan belongs to China. 2.The girl forgot to bring her raincoat, as is often the case. 3.The air quality in the city ,as is reported ,has improved over the past 2 years.
第7讲.定语从句(二).教师版
定语从句非限定性定语从句非限定性定语从句的作用是对所修饰的成分作进一步说明，通常是引导词和先行词之间用逗隔开，将从句拿掉后其他部分仍可成立1. which 引导的非限定性定语从句来说明前面整个句子的情况或主句的某一部分2. 当先行词被专有名词或物主代词和指示代词所修饰时，其后的定语从句通常是非限制性的。
如：Charles Smith, who was my former teacher, retired last year.查理·史密斯去年退休了，他曾经是我的老师。
My house, which I bought last year, has got a lovely garden.我去年买的的那幢房子带着个漂亮的花园。
This novel, which I have read three times, is very touching.这本小说很动人，我已经读了三遍。
3. 非限制性定语从句还能将整个主句作为先行词, 对其进行修饰, 这时从句谓语动词要用第三人称单数。
如：He seems not to have grasped what I meant, which greatly upsets me.他似乎没抓住我的意思，这使我心烦。
Liquid water changes to vapor, which is called evaporation.液态水变为蒸汽，这就叫做蒸发。
4. 有时as 也可用作关系代词如：You can take as many as you need.你可以根据需要尽量拿。
Let’s meet at the same place as we did yesterday.咱们在昨天见面的同一地方见面吧。
热身练习一、单项选择。
1. Is that the reason _____ you are in favor of the proposal?A. whichB. whatC. whyD. for that语法考点 本讲内容第七讲定语从句（二）2. He has two sons, _____ work as chemists.A. two of whomB. both of whomC. both of whichD. all of whom3. The buses, _____ were already full, were surrounded by an angry crowd.A. most of thatB. which mostC. most of whichD. that most4. My glasses, _____ I was like a blind man, fell to the ground and broke.A. whichB. with whichC. without whichD. that5. I will hire the man _____ they say is a good English speaker.A. whoB. thatC. whichD. whomKey: CBCCA二、选用适当的关系词填空。
【英语语法】定语从句(二)
【热点语法】英语定语从句（二）山东潍坊刘永科五、非限制性定语从句根据定语从句与先行词之间关系的紧密程度，我们将定语从句分为限制性定语从句和非限制性定语从句两种。
上篇文章涉及的内容是限制性定语从句及其有关事项，本文主要讲解非限制性定语从句。
1、限制性定语从句和非限制性定语从句的差别：限制性定语从句用来修饰和限定先行词，与主句的关系非常密切，不用逗号和主句隔开。
它说明先行词的性质、身份、特征等状况；如果去掉，则会影响句子意思的完整。
A doctor is a person who looks after people's health.医生就是负责人们的健康的人。
This is the school where Yao Ming studied.这就是姚明学习过的学校。
I still remember the time when I first traveled by plane.我仍然记得第一次坐飞机旅行的时间。
This is the diamond (which/that) the lady has lost. 这就是那位女士丢失的钻石。
非限制性定语从句与主句的关系不像限制性定语从句那样紧密，只是对先行词作些附加说明，即使去掉，主句的意思依然清楚完整。
它与主句之间通常用逗号分开。
翻译时常常不译作定语，而是单独译成与主句并列的句子。
Last night I saw a very good film, which was about the Second World War.昨晚我看了一部非常好的电影，是关于第二次世界大战的。
My parents live in my hometown, which is about 30 kilometers from here.我的父母住我的家乡，离这里大约30千米。
Millar, who is a distant relative of mine, studies in Yale now. 米拉是我的一位远房亲戚，她现在耶鲁学习。
2021届高三英语二轮复习专题二定语从句(2)(附答案)
2021届高三英语二轮复习专题二定语从句（2）I单句填空1. If a shop has chairs ____________ women can park their men, women will spend more time in the shop.2. Those houses are sold at such a low price ____________ people expected.3. The terrible accident happened on the day ____________ my father left for America, a day ____________ we’ll never forget.4. They were well trained by their masters ____________ had great experience with caring for these animals.5. This city, ____________ lies in the northeast and ____________ I spent my childhood, has been one of the country’s busiest ports since the 1950s.6. There are many occasions ____________ which you are left in a helpless situation, ____________ which you can depend on no one other than yourself.7. The land is known for a historical site with beautifully colored walls, on ____________ are painted the events of the past.8. Peter and his car ____________ disappeared mysteriously in London in 1987 appeared mysteriously in New York in 1993.9. All ____________ happens during early years can influence children for the rest of their lives.10. Irresponsible drivers ____________ like to cut in on the road often make the drivers behind respond by suddenly braking.11. In the morning, two artists, ____________ acting skills were wonderful, came to our school as planned.12. There were sixty-six unprovoked (无端的) shark bite incidents around the world in 2018, only six of ____________ were dangerous, according to the ISAF.13. Still, when you start your journey of positive thinking, you shall meet wonderful new people, with ____________ you can share positive attitudes.14. This famous scientist then remarked that it was at that moment that he knew he didn’t need to be afraid to make mistakes ____________ were actually opportunities for learning something new.15. One of China’s six famous tea types is white tea, ____________ gets its name from its silver-white color.16. In China, a teahouse is a place ____________ people gather to enjoy tea, chat and socialize.17. Power walking uses both upper and lower body strength, ____________ results in stronger muscles and bones.18. Researchers followed a group of people ____________ attended free weekly singing workshops for six months.19. It cannot cover all ____________ Li endured to reach the top of the tennis world.20. In a culture ____________ people function according to ritual, music is used to help govern them.II语法填空AIt is practically inevitable: sometime around the age of 40, people start to need reading glasses. Try (1)____________ they might, there’s no avoiding it. One mobile app creator claims that practicing with their technology can train your eyes to see (2)____________ (well), though some eye doctors are not sure.The reason (3)____________ many people eventually need reading glasses is that the lens (晶状体) of the eye loses flexibility with age, and has trouble focusing on nearby objects. The condition is called presbyopia (老花眼), which is just a natural side effect of aging.The first app (4)____________ (claim) to work out the solution is called GlassesOff. First you take a test given by the app, and then follow its customized training course. Three days a week, for 12-15 minutes, you’ll go through a series of visual exercises, such as recognizing small gray letters on a gray screen. After two or three months, it claims that you can kiss your reading glasses goodbye.“We wanted to develop an application (5)____________ can help people improve their reading ability by improving the way that the brain processes information.” says GlassesOff CEO Nimrod Madar. Until recently it wasn’t possible because scientists did not understand how the image processing (6)____________ (capable) of the brain actually works. “GlassesOff comes up with the idea of neuroplasticity (神经可塑性). Studies have shown that through training new connections can be made in the brain so that it can continue adapting to the world around us. Interms of vision, this means that through training, the brain may be able to form new connections that allow it to clearly process text even when the text (7)____________ (blur) by aging eyes.In a 30-person study published in Scientific Reports in February, some participants were able to read letters 1.6 times smaller after using the app. Adults aged 40 to 60 years old had the most success. The study also found that the users’ eye health improved by (8)____________ average of 8.6 years.Sounds too good to be true? Well, it probably is. “Human vision quality is determined by the physical eye and the way (9)____________ his brain reads the information that the eye captures,” says Rhee, a doctor from Harvard University. “To think that we can reverse (逆转) presbyopia only by neuroplasticity is just not accurate.” It might not make a huge difference in terms of fighting presbyopia, but brain training could make a difference for younger people (10)____________ eyes are still more flexible.BMicroplastics are everywhere in our environment. It's hardly surprising that the tiny fragments have also been found in the human body. A new study shows that Americans are consuming as many as 121,000 particles each year.Measuring 50 to 500 microns in length, microplastics come from a variety of sources, including large plastics (1)____________ break down into smaller and smaller pieces. Therefore, much remains unknown about the common (2)____________ (exist) of these materials within the human body, as well as the impact on human health.Hoping to fill in some of these gaps, a research team, led by Kieran Cox, a Ph. D. candidate at the University of Victoria, looked at 26 papers assessing the number of microplastics in (3)____________ (common) consumed food items, among (4)____________ are seafood, sugar, salt, honey, alcohol and water. The team also evaluated the potential consumption of microplastics through inhalation (吸入) using previously reported data on microplastic concentrations in the air and the Environmental Protection Agency’s data on respiration rates. Based on these data, the researchers calculated that our annual consumption of microplastics via foods and drinks ranges from 39,000 (5)____________ 52,000 particles. When microplastics taken in through inhalation (6)____________ (take) into account, the range jumps to between 74,000 and 121,000 particles per year.The authors of the study found that people (7)____________ drink exclusively from plastic water bottles absorb additional 90,000 microplastics each year, compared with 4,000 among those who only consume tap water. “This shows that small decisions, over the course of a year, really matter and have an impact.” Cox says. The new study, according to its authors, was the first (8)____________ (investigate) “the accumulative human exposure to microplastics”. But in all likelihood, the research tells only a small part of the entire story. Collectively, the foods and drinks (9)____________ the researchers analyzed represent 15 percent of Americans' caloric intake. The team could not account for food groups like fruits, vegetables and grain because there simply is not enough data on their microplastic content.For those (10)____________ worried about microplastic consumption, cutting down bottled water is a good place to start. But for the heart of the problem, we have to stop producing and using so many plastics.III汉译英1. 更重要的是，网上有你可以求助的老师，而且这一切都是免费的。
定语从句(二)
定语从句（二）一：巩固复习1. This is the best hotel in the city _______ I know.2. Your teacher of Chinese is a young lady ____ comes from Beijing.3. Is there anything else _______ you want?4. What’s the name of the man ______ car you borrowed?5. All the apples ____ fall are eaten by wild boars.6. Can you think of anyone ____ could look after him?7. Is that the house _________ you bought last year?8. He showed a machine ______ parts are too small to be seen.定义：修饰限定名词或代词的句子就叫做定语从句。
引导定语从句的引导词有：关系代词：who, whom, whose, which, that关系副词：when , where , why二：关系副词引导的定语从句1.关系副词where （先行词是地点时）A.This is the factory.I worked in the factory ten years ago.This is the factory __________ I worked ten years ago.B.This is the factor __________=_______________I worked ten years ago.C.The school_________=___________________ my son studies is near a park.where 引导的定语从句修饰表示地点的名词, 并在定语从句中作_________,相当于“介词+ _________ (which)”。
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定语从句（2）1. 定语从句是历年高考的热点，是必考的语法点。
2. 本讲主要梳理以下知识点：1) 非限制性定语从句，特别是先行词为整个句子的情况；2) 非限制性定语从句中关系代词as 和which的区别；3) 定语从句与其他句式的区别。
一、知识精讲（一）非限制性定语从句1. 非限制性定语从句与先行词的关系不紧密，只是作附加说明，不起限制作用。
2. 非限制性定语从句的关系代词只能用which或who，不能用that，作宾语时，不可以省略。
3. 有时非限制性定语从句所修饰的不是前面的某个词，而是代表整个主句所讲的内容。
4. 非限制性定语从句的主、从句之间往往用逗号隔开，译成汉语时可单独译成一句。
【例句】The old man has a son, who is in the army. 那位老人有一个儿子，他在部队工作。
She comes from Shanghai, which can be told from her accent. 她是上海人，这一点从她的口音就可以判断出来。
例题1Chan’s restaurant on Baker Street, ______ used to be poorly run, is now a successful business.A. thatB. whichC. whoD. where答案：B思路分析：本句的先行词是Chan’s restaurant，在定语从句中作主语，非限制性定语从句不能用that来引导，故选A。
本题同学们看到on Baker Street，可能会误选D，主要是没有判断好先行词在定语从句中作什么成分。
例题2(安徽卷) All the neighbors admire this family, ______the parents are treating their child like a friend.A. whyB. whereC. whichD. that答案：B思路分析：先行词是family, 在从句中作地点状语，要说in the family, 故要选B。
（二）限制性定语从句与非限制性定语从句的区别1. 形式上，非限制性定语从句往往用逗号隔开。
2. 语法上，非限制性定语从句一般不用that引导。
3. 语义上，限制性定语从句与先行词关系紧密，起限定作用，如果去掉了这个定语从句，整个句子就不完整或会改变意思；而非限制性定语从句与先行词关系不是很紧密，对先行词起补充说明或描述的作用。
【例句】I was the only person in our office who was invited.我是办公室里唯一被邀请的人。
（去掉定语从句，意思就不完整）Tom’s father, who is over sixty, still works hard day and night. 汤姆的父亲，已经六十多岁了，仍然日夜努力地工作着。
（who引导非限制性定语从句，整个句子可分成两句来翻译）4. 翻译时，限制性定语从句可译为一句（较短的一般译为“的”字结构）；而非限制性定语从句可译为两句。
【例句】This is the book (that / which) I like best. 这就是我最喜欢的那本书。
Beijing, which has been China's capital for more than 800 years , is rich in cultural and historic relics. 北京是中国八百年之久的古都，它有着丰富的文化和历史遗产。
2. as引导非限制性定语从句既可放在主句之前，也可放在主句之后，用来修饰整个句子。
通常用下列句型：as is known to all, as is said, as is reported, as is announced, as we all know, as I expect 等。
【例句】As I expected, he got the first place again in this mid-term examination. 正如我所预料的那样，他在这次期中考试中又获得了第一名。
China has the largest population in the world, as is known to all. 众所周知，中国拥有世界上最多的人口。
例题（浙江卷）_____ I explained on the phone, your request will be considered at the next meeting.A. WhenB. AfterC. AsD. Since答案：C思路分析：当定语从句放在句首时必须用as引导。
3. as 引导非限制性定语从句时与which的区别He is the only one of the persons who speaks French fluently here.(此句的先行词为the only one 而不是the persons, 是单数，所以定语从句中的谓语动词也要用单数。
) He was one of the students who were praised by the teacher yesterday.（此句中的先行词是the students, 是复数，所以定语从句中的谓语动词要用复数。
）2. 定语从句有时不直接紧靠先行词，中间有一个定语、状语或谓语隔开，叫分隔定语从句。
【例句】There is an expression in his eyes that I can’t understand.在他眼里，有一种我看不懂的神情。
3. 当定语从句中的谓语动词是带介词或副词的固定短语动词时，短语动词的各固定部分不要拆开。
【例句】The sick man whom she is looking after is her father. 她正在照顾的那个病人是她的父亲。
4. 不定代词/ 数词+ of which / whom【例句】故选A。
7. “介词+关系代词”引导定语从句时，确定介词的方法：（1）根据先行词的习惯搭配【例句】They’ll never forget July 1st on which Hong Kong returned to its motherland.他们永远不会忘记7月1日，在这一天香港回到了祖国母亲的怀抱。
1992 is the year in which you were born. 1992年是你出生的年份。
（2）根据定语从句中动词所需的搭配【例句】The school to which I was sent was very large. 我被送去上学的学校非常大。
Hong Kong is the city from which he comes. 他来自于香港。
例题“用介词+which/whom”填空1. At the top of the mountain there is a small house_______________________ we can see the beautiful scenery.（四）定语从句与结果状语从句在定语从句中,若先行词被such 修饰时,关系词要用as, 组成such…as结构。
这个结构与结果状语从句such…that…（如此……以致……）很相似,要注意区别。
若从句中的及物动词后无宾语，就是定语从句，用such…as；否则就是结果状语从句，用such…that。
例题1. I have such a computer ___________you have.2. She is such a kind girl ____________all of us like to make friends with her.答案：1. as 2. that（五）定语从句与习惯句型固定句型：It is the first/second/third time that+ 从句（从句用现在完成时）例题1. It is the first time ______she has been in Shanghai.2. It was the time _______Chinese people had a hard life.答案：1. that 2. when（六）定语从句与单句注意标点符号。
两个单句间用句号，而定语从句的两个句子间用逗号。
例题1. The mother told the lazy boy to wo rk, ____didn’t help.2. The mother told the lazy boy to work. _____didn’t help.3. There are 56 students in our class, most of ____are girls.答案：1. which 2. It 3. whom1. （山东）Whenever I met her, ______ was fairly often, she greeted me with a sweet smile.A. whoB. whichC. whenD. that答案：B思路分析：不管我何时遇见她，她都用甜甜的微笑迎接我，这是常事。
which引导非限制性定语从句，指代前面的句子。
2. （全国II）My friend showed me round the town, ______ was very kind of him.A. whichB. thatC. whereD. it答案：A思路分析：考查非限制性定语从句，这儿的which指代前面整句话的内容。
3. （天津）I travel to the Binhai New Area by light railway every day, _____ do many businessmen who live in downtown Tianjin.A. asB. whichC. whenD. though答案：A思路分析：考查as的非限制性定语从句。
后句句意：我的做法正如/正像生活在天津闹市区的商人一样。
本句为避免头重脚轻，结构经过了调整，主语和谓语颠倒，这点要注意。
which代替的是上句部分或整体的内容，此处没有这个的意思，排除B；C，D句意、结构均不适合，as“正如，正像”符合句意，故选A。
4. （陕西）Gun control is a subject ______ Americans have argued for a long time.A. of whichB. with whichC. about whichD. into which答案：C思路分析：考查定语从句，先行词是Gun control，指物，关系词在从句中作介词的宾语，介词前置，介词与从句动词构成搭配argue about sth.，选C。