2024-2025学年人教版九年级英语 定语从句专项课件

目录 01 结构 04 大练兵 02 关系词 03 用法 Conan is a clever man. Conan is a man who is clever. 形容词 定语从句 man为先行词 who为关系词 Structure 结构 结构：先行词+关系词引导的从句 先行词：被定语从句修饰的名词或代词 Let's practice 请指出下面句子中的先行词以及定语从句。 1.He is a boy who likes beautiful girls. 2.This is a dog which likes eating meat. 3.I know the boy whom teachers all like. 4. Xi’an is a good place where there are many delicious foods. 5.Can you tell me the reason why he dropped out of school? 6.I remember these days when we were friends. a boy a dog the boy Xi'an the reason these days Conan is a clever man. Conan is a man who is clever. 形容词 定语从句 本质上，定语从句和形容词是近亲，都爱干一件事，修 饰名词。 I find clever handsome brave 不同的是，形容词只能表达简单的意思。 But… …… who is brave, clever and handsome。 …… who is both clever and a good detective. 而定语从句表达的意思更复杂，更具体。 But… So…… 定语从句需要系上腰带，才能和被修饰的名词，紧紧地绑在一起 关系词 He is a man who is clever. who 关系词的作用 关系词 引导定语从句 替代先行词 在从句中充当成分 指人或物的 指人 指物 指人或物 指人，宾格 关系词 关系代词 关系副词 why who whose when whom where that which as 正如 指原因 指时间 指地点 Usage 关系代词用法 Round 1 先行词 为物 用法1先行词为物 that&which作主语 （不能省） This is his dream. His dream will come true. This is his dream which/that will come true. 作主语 用法1先行词为物 that&which作主语 （不能省） The dog has been found. The dog was lost. The dog that/which was lost has been found. 作主语 Let's practice 合二为一 This is the house. The house is for sale. This is the house that/which is for sale. Let's practice 合二为一 I'm reading a book. The book is about Bill Gates. I'm reading a book that/which is about Bill Gates. 用法1先行词为物 that&which作宾语 （可省略） This is the toy. I've just received the toy. This is the toy（that/which） I've just received. 作宾语 This is the toy I've just received.(可省略) Let's practice 合二为一 This is the mistake. I always make mistake. This is the mistake (that/which) I always make. This is the mistake I always make. Let's practice 合二为一 She still keep the letters. She wrote the letters to me. She still keep the letters (that/which) she wrote to me. She still keep the letters she wrote to me. Round 2 先行词 为人 Usage 关系代词用法 用法2先行词为人 who&that作主语 （不能省） This is an anime star. He is very popular in Japan. This is an anime star who/that is very popular in Japan. 作主语 Let's practice 合二为一 The boy called Roy. The boy broke the window. The boy who/that broke the window is called Roy. 用法2先行词为人 who&that&whom作宾语 （可省略） The man is a famous anime star. He described the man just now. The man (who/that/whom) he described just now is a famous anime star. . 作宾语 Let's practice 合二为一 The thief has been sent to prison. The police caught the thief last night. The thief (who/that /whom)the police caught last night has been sent to prison. Let's sum up 关系代词记忆口诀： 关系代词有六个，听我逐一来说破； which表物人用who，人物都有that顾; 下面先说that先生，作主语，不省略， 作宾语，随便省；下一个which先生， 省不省略同that先生，用在逗号后， 意表前句你要know； who做主语很称职，whom用到宾语里。 作主语，不省略；作宾语，可省略。 Round 3 who/whom/ whose/that 用法区别 Usage 关系代词用法 The man who is speaking at the meeting is a worker. The man is a worker. The man is speaking at the meeting. They wanted to visit the woman. The woman whom they wanted to visit is a teacher. The woman is a teacher. 用法3 who,whom,whose,that用法区别 作定语 作主语或宾语 作宾语 who whom whose 作主语或宾语 that I know the girl. The girl's mother is a teacher. I know the girl whose mother is a teacher. 注意：关系代词作动词宾语时可省略。 特殊情况？？？ The woman (whom/that) they wanted to visit is a teacher. 便签上有触发器 便签最左端有触发器，记得点击。点击一次，出现便签文字，弹出例子，再点击一次，例子消失。 Round 4 只用that，不用which 的情况 Usage 关系代词用法 1 1）That's all that I know. 2）Is there anything that I can do for you? 3）He answered few questions that the teacher asked. 1，当先行词是all, any, few, little, none, anything, everything, nothing, everybody, nobody, everyone, no one或被它们修饰时。 2 2，当先行词形容词最高级或序数词修饰时。 1）That's the most interesting sport that I have ever played. 2）The first thing that I should do is to review my lessons. 3 3，当先行词有 the very, the only, the same等修饰时。 1） That's the only thing that I can do now. 2） These are the very words that he used. 4 4，当主句以who或which开头时，定语从句的关系词用that，而不用which或who。 2）Which is the pen that you lost? 1）Who is the boy that played football with you just now? 5 5，先行词同时包括人或物时，关系词用that。 The man and his dog that I always meet are standing by the gate. 6 只用“that”的情况 三大原则 1.说法绝对：先行词出现绝对性的描述，如唯一的(the only), 每个人(everyone), 每件事(everything),所有的(all),没有一个(none), 任何事(anything), 任何人(anyone) 2.数字常考: 当先行词前有序数词时，如 the first, the second, 其中the last，最后的也属于这种情况 3.最高级：先行词前有形容词最高级修饰时，也只能用“that” 此外：当先行词是人和物一起的时候，关系代词也要用that 身是 t ha t 先行词本 前有介词 关系代词 1 2 补充 whose The boy is my classmate. The boy's father is a policeman. 啰嗦 The boy whose father is a policeman is my classmate. whose作定语， 表所属关系。 Usage 关系副词用法 用法 where when why where: I remember the school where we had spent 3 years. when: Do you still remember these days when we were students? why: Can you tell me the reason why he leave me? 触发器在上面三颗按钮处。 关系代词 关系副词 or Comparison 易错点区分 1.This is the town where I visited last year. which/that 一起来找茬 2.This is the school that I taught last year. where Skills: 看从句中的谓语动词 及物动词后面无宾语，就用关系代词； 不及物动词则用关系副词。 This is the town_that/which__I visited last year. This is the school_where__I taught last year. taught in the school 及物动词后面无宾语，就用关系代词； 不及物动词则用关系副词。 Let's practice Ready? Go! 1.This is the house______he lived last year. where where that/ which Sorry , you are wrong! ç 2.This is the house______he vistied last year. that/ which Sorry , you are wrong! where that/ which ç 3.I'll never forget the day______we spent together. that/ which Sorry , you are wrong! when that/ which 4.I'll never forget the day______I met you. when when that/ which Sorry , you are wrong! 5.This is the reason______he went there. why why that/ which Sorry , you are wrong! ç 6.This is the reason______he gave us was quite reasonable. that/ which Sorry , you are wrong! why that/ which Let's sum up 定语从句的用法： 主句型，从句型，两种句型要完整。 从句紧跟先行词，关系词引导要弄清。 定人要用who或whom， 定物which当先用。 关系代词用that,定人定物有本领； when用来定时间，where用来定地点。 关系代词作成分，唯作宾语可省略。 Let's practice She is looking for a man______________is tall and handsome. Tips: 1.看（句意） 主句：She is looking for a man. 从句：__________is tall and handsome. 2.定（关代或关副） 从句不完整用关系代词； 从句完整用关系副词。 3.判（关系词） 先行词是指人， 又可以作主语的是who和that。 who/that Let's practice The e-mail_________________I received yesterday was from my sister. Tips: 1.看（句意） 主句：The e-mail was from my sister. 从句：__________I received yesterday. 2.定（关代或关副） 从句不完整用关系代词； 从句完整用关系副词。 3.判（关系词） 先行词是指物， 又可以作主语的是which和that。 which/that Let's practice I still remember these days ________ we were best friends. Tips: 1.看（句意） 主句：I still remember these days. 从句：________ we were best friends. 2.定（关代或关副） 从句不完整用关系代词； 从句完整用关系副词。 3.判（关系词） 先行词是these days，关系副词只能用when。 when Let's practice The man______________hair is white is his grandfather. Tips: 1.看（句意） 主句：The man is his grandfather. 从句：__________hair is white. 2.定（关代或关副） 从句不完整用关系代词； 从句完整用关系副词。 3.判（关系词） 先行词是指物，作定语， 表所属关系的是用whose。 whose Let's practice I know the reason ____________ he left home. Tips: 1.看（句意） 主句：I know the reason. 从句：________ he left home. 2.定（关代或关副） 从句不完整用关系代词； 从句完整用关系副词。 3.判（关系词） 先行词是the reason，关系副词只能用why。 why Let's practice I've never heard of the people and things______ _______________you talked about just now. Tips: 1.看（句意） 主句：I‘ve never heard the people and things. 从句：__________you talked about just now. 2.定（关代或关副） 从句不完整用关系代词； 从句完整用关系副词。 3.判（关系词） 先行词同时指人和物，关系代词只能用that。 that Let's practice more PART ONE Tips: ç 1.The reason ( ) he came here is not clear. 2.These days ( ) we lived together is unforgettable. 3.I like go to the park ( ) many old men play basketball every day. 4.This is the station ( ) he had talked about. 5.I don’t understand the reason ( ) he had explained to me. 1.看（句意） 2.定（关代或关副） 3.判（关系词） why when where that/which that/which 触发领带可参与抽奖 先行词 关系代词 从句中的谓语动词形式 决定 Let's practice 1.I know a girl who_____________(like) red. 2.Jim reads books which____________(be) fun. 3.Do you know the things and person that they_________ (be)talking about? 先行词 likes 先行词 are 先行词 are 定语从句中的主谓一致 4. The mp4 that___________been given to me is home-mad.(have) 5. I, who_________your classmate, will share the work with you.(be) 先行词 has 先行词 am 关系代词作从句的主语时， 从句的谓语动词的人称和数要 与先行词保持一致， 先行词是句子时， 谓语动词用单数形式。 Let's practice 6.Tom is one of the boys that___________(be) from the USA. 7.Tom is the only boy that____________(be) from the USA. 先行词 are 先行词 is one of+复数名词作先行词时， 从句的谓语动词用复数形式。 但若one前有the(only), the(just), the(very)修饰时， 从句的谓语动词用单数形式。 $$