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1、Which one is Harry Porter? ?,The handsome boy is Harry Porter.,单词作定语,Which one is Harry Porter ?,The boy _ is Harry Porter .,who is wearing glasses,定语,The handsome boy is Harry Porter.,The boy who is wearing glasses is Harry Porter.,形容词作定语,句子作定语,修饰boy, 叫做定语从句,单个的词作定语时要放于被修饰词的_，短语或从句作定语时要放于被修饰词的_.,前面
2、,后面,一个美丽的女孩 a beautiful girl,beautiful,（形容词作前置定语）,一个穿白色衣服的女孩,a girl in white,in white,（介词短语作后置定语）,一个正唱歌的女孩,a girl is singing,who,is singing,（定语从句，a girl为先行词）,定语是句子成分之一，可以由单词、短语或从句担当，对名（代）词修饰和限制。名（代）词称为中心词。形容词作定语一般前置，短语和从句作定语要后置，翻译成“的”。另外名词、数词、非谓语动词（短语）、介词短语也可以担当定语。,The Attributive Clause,定语从句,The At
3、tributive clause 定语从句,在复合句中，修饰某一名词或代词的从句叫做定语从句。,Harry Porter is a boy who has magic power.,先行词,关系词,定语从句,先行词,引导词(关系词）,从句,Mary is a girl who has long hair.,（被修饰的名词或代词）,（跟在先行词后，引导从句的词）,修饰先行词的句子,定语从句分析 结构：先行词+引导词+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,wh
4、ere, when，why,定语从句：,由一个句子充当定语,从句的位置：,在名词或代词后,先 行 词： 被定语从句修饰的词,引 导 词：,引导定语从句的词 关系代词关系副词,引导词的作用: (1)引导定语从句(2)在从句中作一成份(3)代替先行词在从句中的位置,做题一般步骤：,步骤二,步骤三,The girl做主语 = who,步骤一,先行词the girl，带入从句,The girl likes singing.,She is the girl _ likes singing.,who,二、用法:,先 行 词 是 人,who whom whose that which,先行词是物,引导定语从
5、句的关系代词,1. 连接主句与从句，引导定语从句。 2. 代替先行词。 3. 在定语从句中担当一个成分(主、宾、定语)。,关系词的三个作用:,注意：关系词的选用由先行词在定语从句中所充当的句子成分决定。,1. She is the girl _can speak English fluently. 2. I like the book _ you bought yesterday. 3. The girl _ I met is Lucy. 4. A child _ parents are dead is called Tom.,请填写适当的关系词,who,which/ that,whom,wh
6、ose,(主语),(宾语),(宾语),(定语),Have a try,指出关系代词（副词）在定语从句中的成份： 1.The man who came to our school is Mr. Wang. ( ) 2.The girl (whom) I met is Lucy. ( ) 3.A child whose parents are dead is called Tom. ( ) 4.I like the book (which) you bought yesterday. ( ),主语 宾语定语宾语,1. who, whom, whose, that 用法区别., who 作定语从句的
7、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(可省略),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)
8、 they wanted to visit is a teacher.,The man who / that is speaking at the meeting is a worker., whose 作定语从句的定语(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
9、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，可省略,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, anythin
10、g, 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 standin
11、g under the tree? Which is the machine that we used last Sunday, 当先行词既有人又有物时。,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 she talked. This is the ring on which she spent 1000 dollars.,（一）引导定语从句的关系代词,27,whe
12、n, 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,30,when,when可用in/on/at/during +which 代替,1.I sti
13、ll remember the day. 2.I first met him on the day.I still remember the day on which I first met him.,when,which,31,where,where可用in/on/at/to + which代替 1.The dictionary is the only place. 2. Success comes before work in the dictionary. The dictionary is the only place in which success comes before wor
14、k. 只有(努力)工作才会有成功. 字面意思是:只有在字典里,成功才出现在工作前面.,where,which.,32,ABC 1.America is the country. 2.I was born in the country.,America is the country in which I was born.,which.,where,BBC,Beijing is the city in which I was born.,where,=American born Chinese,=Beijing born Chinese,33,why,why可用for +which 代替,1.T
15、his is the reason. 2.I was late for school for this reason.,which.,This is the reason for which I was late for school.,why,34,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。,H
16、ave you got it?,由Who 引导的定语从句，在句中做主语 宾语,1、Do you know the man _ is talking with your father?A. whose B. who C. which 2、The boys _ the teacher talked to are from Class One. A. when B. which C. who 3、Those _ want to go to the museum must be at the school gate at 7 tomorrow morning. A. who B. which C. whom,
