Unit8 Grammar 课件 2025-2026学年译林版（2012）英语九年级上册

该初中英语课件聚焦定语从句教学，从复习翻译句子导入，先解析定语定义，再通过简单句合并实例过渡到定语从句，系统讲解先行词、关系代词等核心知识点，构建由浅入深的学习支架。 其亮点在于结合侦探故事情境（如福尔摩斯、爱伦·坡案例）设计实例与对话练习，通过对比宾语从句、易错点提示及总结表，培养学生思维品质与学习能力。多样练习帮助学生提升语言运用能力，教师可借助结构化内容高效开展语法教学。

Unit8 Detective stories Grammar 定语从句 | 什么是定语？ 1、用来限定、修饰名词或代词的句子成分，汉语中常用“……的”表示 2、主要由形容词担任，有时也由一个句子来担任。 missing animals 失踪的动物 a cute fox 一只可爱的狐狸 a determined bunny 一只坚定的兔子 定语从句 | 什么是定语从句？ 在复合句中用来修饰名词或代词的句子部分（做定语的从句） Judy is a brave rabbit who makes her mind to become a police officer. 朱迪是一只决心成为警察的勇敢兔子 Judy is a brave rabbit. Judy makes her mind to become a police officer. 定语从句 | 句子结构 定语从句的结构： Judy is a brave bunny who is determined to become a police officer. bunny who is determined to become a police officer. 先行词 关系词 句子 定语从句 名词/代词 修饰 定语从句是用来修饰名词或代词的句子部分。 它相当于一个“形容词”。 在句子中，定语从句紧跟在它修饰的词（先行词）后面。 定语从句 | 先行词 / 关系词 先行词 被修饰的名词或代词 关系词 引导定语从句的词，有关系代词和关系副词 Judy is a brave bunny who is determined to become a police officer. bunny Judy is a brave bunny who is determined to become a police officer. who 定语从句的结构： 先行词 关系词 句子 1. The man who sits beside me is Mr. Lee. 2. I like the record which my sister gave me. 3. The house where we live needs cleaning. 4. I still remember the day when I studied in Italy. The man 练一练：找出定语从句和 先行词 who sits beside me is Mr. Lee. the record which my sister gave me. The house where we live the day when I studied in Italy. 先行词 被修饰的名词或代词 宾语从句 宾语从句 定语从句 定语从句 定语从句 宾语从句 动词后的从句是宾语从句，名词或代词后面的从句是定语从句 PART 02 定语从句的关系代词 关系代词 | 在句中的作用 常用的关系代词有：that, which, who, whom, whose Judy is a bunny who dreams of making the world a better place. who 在定语从句中代替先行词 ① 代替作用 作主语、宾语、表语和定语 ② 在定语从句中担任成分 把两个句子连成带有定语从句的主从复合句 ③ 连接作用 1.I can’t find the letter. The letter came this morning. 2.Please give me the book. The book is about travel. 3.This is the bag. My mother bought it last week. 4. The house is made of wood. Jack built the house. This is the bag which/that my mother bought last week. I can’t find the letter which/that came this morning. Please give me the book which/that is about travel. The house which/that Jack built is made of wood. which/that指物，在定语从句中作主语或宾语。作宾语时可省略。 / / 关系代词在从句中作宾语时，可以省略, 作主语时，不能省略。 Exercise 1. Did you read the book ________ I lend to you ? A. whose B. / C. who D. what 2. Did you read the book _______was popular at the moment. A. that B. / C. who D. what   B A 1. The boy is called Tom. The boy broke the window. The boy who/that broke the window is called Tom. 2. Mr. Li is the person. You talked with the person on the bus. Mr. Liu is the person who/that you talked with on the bus. ①who/that指人，在定语从句中作主语或宾语。作宾语时，可省略。 / whom指人，在定语从句中作宾语，可省略。 The boy (whom/who/that/省略) I wrote to is my cousin. 关系代词 指代对象 在从句中的成分 能否省略 that which who whom whose 关系代词 | Conclusion 人、物 主、宾 作宾语可省 物 主、宾 作宾语可省 人 主、宾 作宾语可省 人 宾 可省 人、物 定 不可省 1. —Could you tell me ________ book it is?—It must be Lily's. Look! Her name is on this book. A. whose B. that C. how D. if A This is the house___________ I once visited. 3) The writer ___________ I like most is Mark Twain. 2) She is the girl __________hair is long. 5) It is a novel _____________ was written by Mark Twain. 4) He is a inventor ___________ was born in America. that /which Exercise whose whom/that who/that that /which 先行词是...,指人/物，关系词在从句中作主语/宾语/定语，用关系代词... that /who that /which that /which that /who that /who Judy found Nick that/who was feeling bad alone. 主句：Judy找到了Nick 从句：Nick独自难过 Presentation 翻译 | Judy找到了正在独自难过的Nick。 Judy found Nick Nick was feeling bad alone. 先行词是Nick，指人，从句中做主语,主从句结合连接用that / who，不能省略 一找先行词 二判断人/物 方法总结 1. 一看先行词，指人用__________;指物用_________. 3. 根据还原部分所作成分，选择关系词,宾语可以省略 2. 先行词带入从句还原完整，看还原部分做什么成分 who/whom/that which/that 17 练一练 1. 我午餐会吃妈妈给我做的三明治。 2. 那个正在讲话的男孩是麦克。 3. 喜欢英语的同学进步大。 I would like to eat a sandwich that my mum made for me. The boy who is speaking is Mike. Students who like English make great progress. 一找先行词 二判断人物 who was single that was covered in blood which will help solve the case who might be the murderer of the young msn who/that killed the young man that is not allowed by the law which/that his boss had committed who/that was seen running down the street Attention 1. 从句中被取代的先行词不再出现。 e.g. The girl that the doctor is looking after her has a high fever. 2. 从句谓语的单复数取决于先行词的单复数。 e.g. Those who are in their forties are required to have a physical exam this afternoon. e.g. The man who lives next door to us a very strange. 3.关系代词做宾语可以省略。 e.g. This is the book (which) you were looking for yesterday. (×) 1. - I wonder ____ the measures we take are helpful to the environment. - It certainly is. Every little bit helps. A. who B. which C. whether D. what C 2. I like smart clothes ______ are made of silk. A．who B．which C．what D. whom B 3. -Do you know the boy ______ writing won the first in the competition? -Oh, he is Wang Wei, our monitor. A．who B．whose C．whom D．which B 4. the New Year speech ______ President Xi Jinping made encouraged us Chinese to work harder for our motherland. A．who B．whose C．which D. what C 只用that 不用which的情况 1.先行词既有人又有物 The hero has saved the horse and its rider that fell into the river. 2.先行词为all, everything, nothing, something, anything, little, much 等不定代词时。 I am sure she has something _______ you can borrow. that that That’s all _______ I want to say. 3.先行词被all, every, no, some, any, few，little, much等修饰时. I’ve read all the books _____ are not mine. that 只用that 不用which的情况 4.先行词被序数词或最高级修饰时。 This is the first book _____ he has read. This is the best film _____ has been shown this year. that that 5.先行词被the only, the very, the same, the last 修饰时。 This is the very book ____ belongs to him. that 1. All ______ is useful to us is good. A.which B.what C.that D.whether 2. She will never forget the days ______ she spent in Beijing. A.when B.what C.which D.why 3. The man ______ you are talking is in the next room. A. to whom B. about whom C. who D. whom 4. This is the school in_______ my father worked thirty years ago. A.that B.when C.which D.where 5. The text is one of the most interesting stories ______ learned in the past three years. A.that have B.that have been C.which has D.which has been 6. Here is the bicycle ______ in the shop. A.that you saw it B.that saw it C.you saw D.you saw it 7. Those ______ to take part in the game write down your names, please. A.who B.who want C.that wants D want 8. I, _____ your good friend, will try my best to help you out. A.who is B.what is C.what am D.who am 9. The family _____ I stayed with in New York are coming to Beijing. A.which B.whom C.what D.whose 10. This is the only thing _____ I can do now. A.what B.which C.that D.all 1. (1) This is the house __________I once lived. (2) This is the house____________I once visited. A.that B.when C.where D. there 2. (1) I won't forget the days_________we studied in the college. (2) I won't forget the days ________ we spent together. A.which B.when C.who D.on which 3. (1) Taiwan is part of China,________is known to all. (2)________is known to all, Taiwan is part of China. A.that B.which C.As D.Which 巩固练习 Ⅱ 对比练习 C A B A B C 4. (1) The reason_______he explained to me is unreasonable. (2) He couldn‘t give the teacher a good reason_______he was late for school. A.why B.for that C.which D.whose 5. (1) He has three daughters, all of _____ are doctors. (2) He has three daughters, and all of_______ are doctors. A.who B.whom C.that D.them 巩固练习 Ⅱ 对比练习 C A B D 6. (1) He still lives in the room _______ window faces to the east. (2) He still lives in the room, the window _______ faces to the east. (3)He still lives in the room________is in the north of the city (4)He still lives in the room _______ there is a beautiful table! A.which B.whose C.where D.of which 巩固练习 Ⅱ 对比练习 B A C A 巩固练习 Ⅲ 选择题 1. This is the best hotel in the city ______ I know. A. it B. where C. that D. which 2. Is oxygen the only gas ________ helps fire burning. A. it B. which C. / D. that 3. My friend showed me round the town, ___ was very kind of him. A. which B. that C. where D. it C D A 巩固练习 Ⅲ 选择题 4. This is the only one of the students _____ the truth． A． that knows B． that know C． who know D． which knows 5. I’ m one of the boys _____ never late for school． A． that is B． who are C． who am D． who is A B $