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The Attributive Clause,定语从句,Which one is Harry Porter ?,The boy is Harry Porter,Which one is Harry Porter ?,The boy _ is Harry Porter .,who is wearing glasses,定语从句,一、概念:在复合句中修饰名词或代词的句子. (在句子中作定语),(Attributive clause),Harry Porter is a smart boy.,Harry Porter is a boy who has magic power.,形容词作定语,句子作定语,修饰boy, 叫做定语从句,Harry Porter is a boy who has magic power.,先行词,关系词,定语从句,which, who, whom, whose, that,where, when，why,二、用法:,These are the trees which / that were planted last year.,先 行 词 是 人,关系代词: who whom whose that which,先行词是物,These are the students who / that won the first place last year.,引导定语从句的关系代词,1. who, whom, whose, that 用法区别., who 作定语从句的主语或宾语.,The man who is speaking at the meeting is a worker.,The man is a worker.,The man is speaking at the meeting.,分解,作主语, whom 作定语从句的宾语,The woman whom they wanted to visit is a teacher.,The woman is a teacher.,They wanted to visit the woman.,分解,作宾语, that 可以作定语从句的主语和宾语.,The woman (whom / that) they wanted to visit is a teacher.,The man who / that is speaking at the meeting is a worker., whose 作定语(whose既可以指人，也可以指物).,I know the girl whose mother is a teacher.,分解,I know the girl.,The girls mother is a teacher.,作定语,I have a book whose cover is yellow.,2. which, that 的用法,which 作定语从句的主语或宾语.,I like the book (which / that) you bought yesterday.,This is a truck which / that is made in China.,作主语,作宾语,3. 只能用that的情况, 序数词或形容词最高级修饰先行词时,Tom is the cleverest boy that I have ever known.,This is the first play that I have seen since I came here.,everything, something, nothing, all, anything, little, much等不定代词作先行词时,Everything that we saw in this film was true.,先行词被every, some, no, all, any, little, much等修饰时。,Ive read all the books that you lend me., 先行词被the only, the very, the same, the last修饰时。,This is the very book that belongs to him., 主句已有who或which时,Who is the girl that is standing under the tree? Which is the machine that we used last Sunday., 当先行词同时指人和物时,Ive never heard of the people and things that you talked about just now.,4.关系代词前有介词时 (介词提前) .指人只用whom, 指物只用which,This is the boy with whom he talked. This is the ring on which she spent 1000 dollars.,（一）引导定语从句的关系代词,18,when, where, why,（二）引导定语从句的关系副词,1. This is the place where I was born. 2. I remember the day when I first met him. 3. Can you tell me the reason why you lied to me?,关系副词,When=on(in,during)which,where=on(in,in front of)which,Why=for which,（三）关系副词与介词+关系代词的替代,21,when,when可用in/on/at/during +which 代替,1.I still remember the day. 2.I first met him on the day. I still remember the day on which I first met him.,when,which,22,1.America is the country. 2.I was born in the country.,America is the country in which I was born.,which.,where,Beijing is the city in which I was born.,where,where where可用in/on/at/to + which代替,23,why,why可用for +which 代替,1.This is the reason. 2.I was late for school for this reason. This is the reason for which I was late for school.,why,which.,24,关系代词和关系副词的区别,关系代词在定语从句中作主语、宾语 关系副词在定语从句中作状语,如何选用定语从句的关系词,1.首先分清主句和定语从句 2.确定定语从句的先行词 3.把先行词带回到定语从句中去，看其在定语从句中做什么语法成分（主语，宾语，定语或状语） 4.若先行词在从句中做主语、宾语或定语则选择关系代词，若在从句中做状语，则选择关系副词。,分类：1限制性定语从句与2非限制性定语从句,I have a brother who is studying in the middle school. 我有个在学校正在上学的哥哥。 I have a brother, who is studying in the middle school. 我有个哥哥，他在学校正在上学。 注意： 引导非限制性定语从句的关系代词 不可用that，指人时用who(主语),whom (宾语)，指物时须用which.,1 My dog died， which makes me very sad。 2 You all got great grades, which makes me very happy.,the sameas/that的区别：,The sameas 指同类事物 The samethat 指同一事物 It is the same book as I lost yesterday. 它和我昨天丢的那本书一样。 It is the same book that I lost yesterday. 它就是我昨天丢的那本书。,See you!,
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