定语从句一学习目标1熟练掌握定语从句二考点解析O定从的功能一解释说明This is the factory that/which can produce such mach ines这就是能制造这种机器的工厂This is the factory that/which we visited last week这就是我们上周参观的工厂O定语从句定义：一个简单句跟在名词或代词后（先行词）进行修饰限定，就叫做定语从句。这个简单句在主句中充当定语成分。I bought a cow that looked like a horse.O定语从句怎么考?语法22.1 live next door to a couple咼考北京卷）A.whoseB.whychildre n ofte n make a lot of no ise.C.whereD.which（2016完形Balto put his nose to the ground, 52to find the smell of other dogs that hadtraveled on the trail.（2016高考北京卷）阅读&写作A nurse who understandsthe healing（治愈）value of silenee can use thisunderstandingto assist in the care of patients from their own and from othercultures. （2016高考全国卷 D篇）Last year, I spent all my time looking for a job where, without dealing with thepublic , I could work alone, but still have a team to talk to.（2016 高考北京卷阅读A篇）O定从原理：把两个句子合为一个，两个句子有相同的部分，此时可以把其中一个句子作 为另一个句子的修饰限定部分。I bought a cow.The cow looked like a horse.定语从句：I bought a cow that looked like a horseI bought a cow.The cow s friend was a horse.定语从句：I bought a cow whose frie nd was a horseO连接定语从句的步骤：一找：找两句中相同成份，判断相同部分是人或物二删：删除从句中相同部分。三 替：用关系词替从句中删除的部分。四 放：将关系词放在从句前，将整个从句放到被修饰词后面。关系代词 that, which, who, whom, whose, as关系词彳关系副词 Whe n, where, why关系代词和关系副词的用法：1. that指人或物（指先行词），在定语从句中做主语，宾语或表语2. Which 指物（指先行词），在定语从句中做主语或宾语The police fou nd the car that /which ran into mi ne警察找到了撞我车的那辆车My son is no Ion ger the boy that he was 5 years ago我儿子不是五年前的他了3. Who指人（指先行词），在定语从句中做主语4. Whom 指人（指先行词），在定语从句中做宾语I want to see the scie ntist who/that gave us a talk just now我想见见刚才给我们作报告的科学家The girl whom /that the firefighters saved was sent to the hospital消防员救得那个女孩被送去了医院whose+n5. Whose指人或物（指先行词），在定语从句中做定语，即I want the book whose cover is red我想要那本圭寸面是红色的书注意： whose =the of which , the of whomI want the book the cover of which is red6. Where 指地方（指先行词），在定语从句中做地点状语，有时可以根据意思把换成 in which , at which 等This is the factory where my father worked 20 years agoThis is the factory in which my father worked 20 years ago这是我父亲20年前工作过的工厂I think you have got to a point where a cha nge is n eeded ,or you will fail我猜你已经到了一个需要改变的地步，要不你会失败You must not look into the case ,where your brother is involved你别参与这个案子的调查了，因为你弟弟卷进去了7. When指时间（指先行词），在定语从句中做时间状语，有时可以根据意思把换成 in which , on which , during which等I remember the days when i worked in the country我记得在乡下度过的日子July is the month whe n it is the hottestJuly is the month in which it is the hottest七月是最热的月份8. Why指原因，先行词是reason，在定语从句中做原因状语，有时可以根据意思把换成 for whichWe do not know the reas on why/for which he has gone to sha nghai我们不知道他去上海的原因判断关系代词关系副词1. 从句中的谓语动词。事实上，及物动词后无宾语，就必须用关系代词；不及物动词则要 用关系副词。wherewhe nwhyThis is the mountain village where i stayed last year这是我去年待过的村子我永远不会忘记与你共I will n ever forget the days whe n i worked together with you事的日子This is a house that/which he used to live in。这就是他曾经住的房子=This is a house where he used to live=This is a house in which he used to live2. 判断相同的部分（先行词）在定语从句中的成分（主语，宾语，定语，状语） 先行词在从句中做主语，宾语选关系代词；作定语只能选whose ;作状语选关系副词（where地点状语，when时间状语，why原因状语） 先行词是 point ， situation , case ， condition,根据单词意思一般选 where或 when 。O挑战口挑战1下1. Do you know the yearthe Chin ese Communist Party was foun ded?A.whichB. thatC. whe nD. on which2. That is the dayIll n ever forget.A. whichB. on whichC. i n whichD. whe n3. The factorywell visit n ext week is not far from here.A. whereB. to whichC. whichD. i n which4. Great cha nges have take n place since the n in the factorywe are work ing.A. whereB. thatC. whichD. there:挑战2下5. As the smallest child of his family, Alex is always longing for the time heshould be able to be independent.（陕西卷）A.whichB. whereC. whomD. whe n6. Creati ng an atmosphere employees feel part of a team is a big challe nge.（浙江卷）A.asB. whose C. i n whichD. at which7. The books on the desk,covers are shiny, are prizes for us.（四川卷）A. whichB. whatC. whoseD. thatr； Which or that ?8. He wrote many childre n s books, n early half ofwere published in the1990s.（重庆卷）A. whomB. whichC. themD. That9. He talked a lot about things and pers onsthey remembered in the school.A. whichB. that C. whom D. what:that和which相比，只能填 which的情况介词非限制性定语从句3. China Today attracts a worldwide readership, shows that moremore people all over the world want to learn about China.（福建卷）A.who B. whomC. thatD. which4.It is a truly delightful place,looks the same as it must have done 100years ago with its winding streets and pretty cottages.（湖南卷）A. asB. whereC. thatD. which:j that和which相比，只能填that的情况序数词最高级 i0不定代表唯一人和物避重复andthe10. He talked a lot about things and persons they remembered inschool.A. whichB. that C. whom D. what11.1s oxyge n the only gashelps fire burn?A. thatB. /C. which D.