1、Unit 9I like music that I can dance to.1.定义定义:在复合句中,起形容词作用修饰某一名词名词或代词代词的从句叫作定语从句定语从句(也叫形容词从句也叫形容词从句)2.定语从句所修饰的词叫先行词先行词.定语从句应放在 先行词的后面.3.引导定语从句的词有关系代词和关系副词。关系代词和关系副词。关系代词有：关系代词有：that,which,who,whom,whose关系副词有：关系副词有：when,where,why 4.例句:The woman who lives next to us is a singer.先行词先行词 定语从句定语从句5.关系代词关系
2、代词的选择的选择:（1）要看先行词）要看先行词.（2）要看关系代词在从句中充当什么成分）要看关系代词在从句中充当什么成分.（3）规律如下）规律如下:who(指人，作主语或宾语指人，作主语或宾语)whom(指人，作宾语指人，作宾语)that(指人或物，作主语或宾语指人或物，作主语或宾语)whose(指人或物，作定语指人或物，作定语)which(指物，作主语或宾语指物，作主语或宾语)6.关系代词如何引导定语从句关系代词如何引导定语从句q普通代词与关系代词的区别普通代词与关系代词的区别I have a sister.She works in Shanghai.（代替 sister）q普通代词普通代词
3、：只起代替的作用（如上例中的：只起代替的作用（如上例中的she)I have a sister who/that works in Shanghai.q关系代词关系代词：（如上例中的（如上例中的who/that）代替先行词代替先行词;它还在定语从句中担任一定的成分它还在定语从句中担任一定的成分;起连接作用，把先行词与它引导的定语从句起连接作用，把先行词与它引导的定语从句连接起来连接起来.（即把主句和从句连接起来）（即把主句和从句连接起来）The building is our school.The building stands by the river.（合并为定语从句）（合并为定语从句）v
4、 关系代词的使用取决于先行词，它们的关系非常密关系代词的使用取决于先行词，它们的关系非常密切，因为关系代词在定语从句中代替主句中的先行词，切，因为关系代词在定语从句中代替主句中的先行词，所以它在一般情况下都跟在先行词之后，而且它的所以它在一般情况下都跟在先行词之后，而且它的 人称、数必须和先行词一致。人称、数必须和先行词一致。The building which/that stands by the river is our school.先行词先行词 关系代词关系代词 定语从句定语从句vwhich/that which/that 是关系代词，它在从句中代替先是关系代词，它在从句中代替先行词行
5、词the building,the building,同时担任从句中的主语，同时担任从句中的主语，也起连词的作用，把两个简单句连接也起连词的作用，把两个简单句连接 起来。起来。v 关系代词的使用取决于先行词，它们的关系非常密关系代词的使用取决于先行词，它们的关系非常密切，因为关系代词在定语从句中代替主句中的先行词，切，因为关系代词在定语从句中代替主句中的先行词，所以它在一般情况下都跟在先行词之后，而且它的所以它在一般情况下都跟在先行词之后，而且它的 人称、数必须和先行词一致。人称、数必须和先行词一致。(1)The boy is Tom.The boy is smiling.(2)The boy
6、 is Tom.The boy has a round face.The boy who is smiling is Tom.The boy who has a round face is Tom.(3)The boy is Tom.He sits in front of me.The boy who sits in front of me is Tom.练习：合并为定语从句练习：合并为定语从句(4)The woman got the job.We saw her on the street.The woman whom we saw on the street got the job.(7)
7、Please show me the book.Its cover is red.(6)I saw a woman.Her bag was stolen.(5)The teacher will give us a talk.We met the teacher yesterday.The teacher whom we met yesterday will give us a talk.I saw a woman whose bag was stolen Please show me the book whose cover is red.(8)Can you find the pen?I w
8、rote with it just now.Can you find the pen with which I wrote just now?Can you find the pen which/that I wrote with just now?7.定语从句中需注意的事项定语从句中需注意的事项:（一）（一）关系代词只能用关系代词只能用that,而不能用而不能用which 的情况：的情况：(1)先行词被先行词被形容词最高级形容词最高级或或序数词序数词修饰时。修饰时。This is the best film that Ive ever seen.这是我曾经看过的最棒的电影。这是我曾经看过的最
9、棒的电影。He was the first person that knew the good news.他是第一个知道这个好消息的人。他是第一个知道这个好消息的人。(2)先行词是先行词是 all,any,many,everything,anything,something,none,the one等等不定代不定代词或被它们修饰词或被它们修饰时时。Is there anything that you want to know?有你想了解的事吗？有你想了解的事吗？(3)先行词被先行词被the only,the very,the same,the last等词修饰时等词修饰时。This is th
10、e very dictionary that I want to buy.这就是我想买的那本字典。这就是我想买的那本字典。(4)先行词是先行词是 一个既指人又指物的并列词组时。一个既指人又指物的并列词组时。I will remember the persons and the things that we met last year in Canada.我将记住我们去年在加拿大遇到的那些事。我将记住我们去年在加拿大遇到的那些事。(5)主句是主句是there be 结构时结构时There is a skirt that belongs to Lucy in the bag.包里有条短裙是露西的。
11、包里有条短裙是露西的。(二二)关系代词只用关系代词只用which而不用而不用that 的情况：的情况：(1)先行词为先行词为that时。时。Whats that which is in the sky?(2)关系代词前有介词修饰时。关系代词前有介词修饰时。I like the city in which we live.(3)引导非限制性定语从句时。引导非限制性定语从句时。Mike passed the exam,which made us happy.1.The robbers shouted,“Hands up!Ill shoot anyone _moves!”A.whom B.that
12、C.who D.whose2.The dictionary_he paid 50 yuan for is very useful.A.which B.for which C.on which D.about which3.The boy _ parents died two years ago lives with his grandpa now.A.whose B.who C.his D./4.The man_ is smoking is a bus driver.A.whom B.who C.which D.what where:在从句中作在从句中作地点状语地点状语,指代地点指代地点.wh
13、en:在从句中作在从句中作时间状语时间状语,指代时间。指代时间。why:在从句中作在从句中作原因状语原因状语,指代理由指代理由1.The hotel _ we stayed wasnt clean2.Ill never forget the day _ I joined the League.3.Mary got up late this morning.This is the reason _ she arrived late for school.wherewhen why 关系副词关系副词是用来引导定语从句的，它和关系是用来引导定语从句的，它和关系代词一样代词一样,在从句中代替先行词在从
14、句中代替先行词,在句中在句中作状语作状语。练习：用恰当的关系代词或关系副词填空。练习：用恰当的关系代词或关系副词填空。1.They prefer actors _ are intelligent.2.The room _ I live in is very big.3.The room in _ I live is very big.4.The room _ I live is very big.5.Ill never forget the day _ I met you for the first time.6.That is the reason _ I borrowed money fr
15、om you.7.Thats the period _ he lived here.8.Thats the place _ he was born.9.That is the reason _ he spoke.which/that which when where why who when where why 1.This is the engineer _ gave us a talk about computers.2.My necklace(项链项链)is the only thing _is missing.3.The old building _ we live in has be
16、en here for 30 years.4.The history book _cover is blue was lost by me.5.This the best book_ I have ever read.6.Wheat(小麦小麦)is a plant _ is grown in the north of China.7.The man _I am talking with is my history teacher.8.The man with_ I am talking is my history teacher.who thatthat/which whose that that/which who/whom/that whom练习：用正确的关系代词填空。练习：用正确的关系代词填空。
