定语从句系统复习-2025-2026学年九年级英语下册语法重难点精讲（外研版）

9年级外研版 【语法专题】 定语从句系统复习 语法专版 【语法专题】定语从句系统复习 初中外研版9年级 语法精讲 语法概述：定语从句是修饰名词或代词的从句，相当于形容词，在句中作定语，用于限定或说明 先行词的特征、性质、所属等信息。 重难点讲解 重难点一：关系代词的选择与用法讲解： 定语从句中常用关系代词有hat,which,who,whom,whose。 。hat既可指人也可指物，在从句中作主语或宾语： 。which仅指物，在从句中作主语或宾语： 。wh0指人，作主语：whom指人，作宾语（可省略）： 。wose指人或物，作定语，表示”的”。 例句： This is the book that/which I bought yesterday.(指物，作宾语) The girl who is wearing a red dress is my sister.(指人，作主语) He is the boy whom we met at the party.(指人，作宾语) I visited the house whose windows face south.（指物，作定语) 真题再现： 1.(2024 北京海淀期中，外研版)The man一is talking to our teacher is our new headmaster. A.which B.who C.whom D.whose 答案：B 解析：先行词the man指人，从句中缺主语，用关系代词who。 2.(2023江苏苏州期末，外研版)This is the museum一we visited last month. A.who B.where 9年级外研版 【语法专题】 定语从句系统复习 C.which D.whose 答案：C解析：先行词he museum指物，从句中缺宾语，用关系代词which/that,选项中无 hat,故选C。 重难点二：关系副词的用法及与关系代词的区别讲解： 关系副词where(指地点)、when(指时间)、why(指原因)在从句中作状语，相当于”介词+关 系代词”结构。 where=in/at/on which; .when=in/at/on which: 。why-for which(先行词常为reason)。 关系代词与关系副词的区别：关系代词在从句中作主语或宾语，关系副词作状语。 例句： This is the park where we played last Sunday.(where作地点状语，=in which) I still remember the day when I first met her.(when作时间状语，=on which) The reason why he was late is unknown.(why作原因状语，=for which) 真题再现： 1.(2024浙江杭州月考，外研版)I'1 never forget the village一I spent my childhood. A.which B.where C.when D.why 答案：B 解析：先行词the village指地点，从句中缺地点状语，用关系副词where。 2.(2023广东广州期中，外研版)Do you know the reason一she refused the invitation? A.when B.why C.which D.where 答案：B:解析：先行词the reason指原因，从句中缺原因状语，用关系副词why。 重难点三：定语从句的主谓一致讲解： 定语从句的谓语动词单复数由先行词决定，而非关系代词。 例句： He is one of the students who are good at English.(先行词students为复数，谓语用are) He is the only one of the students who is good at English.(the only one强调单数，谓语用is) 2 9年级外研版 【语法专题】 定语从句系统复习 真题再现： 1.(2024 山东青岛期末，外研版)This is one of the books that一_written by Mo Yan A.was B.were C.is D.are 答案：B解析：先行词books为复数，从句谓语动词用复数，且”被写”为过去时，用were: 2.(2023 湖北武汉月考，外研版)She is the only person一knows the truth,. A.who B.which C.whom D.what 答案：A解析：先行词person指人，从句缺主语，且the only one强调单数，关系代词用 who,谓语动词用单数knows。. 重难点四：”介词+关系代词”结构的用法讲解： 当关系代词在从句中作介词宾语时，可将介词提前至关系代词前，构成”介词+关系代词”结构。 此时关系代词指人用whom,指物用which,不可用that,且不可省略。 例句： This is the girl with whom I went shopping.(=This is the girl whom I went shopping with. The house in which he lives is very old.(=The house which he lives in is very old.) 真题再现： 1.(2024天津南开期中，外研版)The man we talked just now is our math teacher.. A.to whom B.whom C.which D.with who 答案：A解析：”与某人交谈”为talk to sb.,先行词the man指人，介词to提前，关系代词 用whom,即to whom。 2.(2023 四川成都期末，外研版)Ihave a friend一father is a doctor. A.who B.whom C.whose D.which 答案：C解析：先行词friend与father为所属关系，用whose作定语，”朋友的父亲”，此 处无需介词，直接用whose。 3 9年级外研版 【语法专题】 定语从句系统复习 重难点五：限制性定语从句与非限制性定语从句的区别讲解： 。限制性定语从句：无逗号，不可省略，修饰先行词，明确其范围： 。非限制性定语从句：有逗号，可省略，补充说明先行词，不用ht引导，关系代词不可省略。 例句： My brother who works in Beijing is coming.(限制性：明确是”在北京工作的'哥哥，非其他哥哥) My brother,who works in Beijing,is coming..(非限制性：补充说明哥哥'在北京工作”，只有一个哥 哥) 真题再现： 1.(2024陕西西安期末，外研版)My hometown,一is in the south of China,is very beautiful. A.where B.which C.who D.that 答案：B解析：逗号后为非限制性定语从句，先行词my hometown指物，用关系代词which,. 不可用hat。 2.(2023 湖南长沙月考，外研版)We visited the Great Wall.一is one of the Seven Wonders of the World A.which B.who C.where D.when 答案：A 解析：无逗号，为限制性定语从句，先行词the Great Wall指物，从句缺主语，用 which/that,选项中无that,故选A。 易错点综合演练 1单项选择（直击重难点） 1.The girlis talking to our teacher is our monitor. A.which B.who C.whom D.whose 2.This is the school_I studied two years ago. A.where B.which 4 9年级外研版 【语法专题】 定语从句系统复习 C.when D.why 3.He is one of the students whogood at playing football. A.is B.are C.was D.were 4.The book_cover is red was written by Lu Xun. A.which B.who C.whose D.that Ⅱ.用所给词的适当形式填空（强化句型结构） 1.This is the park where we(play)basketball last Sunday. 2.The reason why he_(be)late yesterday is that he missed the bus. 3.I have a friend with_(who)I often go hiking. 4.She is the only one of the girls who(like)playing the piano. Ⅲ，短文填空（综合运用定语从句） 用关系代词或关系副词填空，使短文完整通顺。（外研版教材课文改编） I live in a small town 1.-is surrounded by mountains.There is a river 2.-runs through the town.The people 3.-live here are very friendly.Last year,we built a new library 4.has many interesting books. I often go there with my friend Tom 5.-father is a teacher in the library.The library is a place 6.I can read and learn a lot.I love my town and the people 7.-make it a wonderful place. V.连词成句（聚焦句型结构） 1.the,man,whom,I,talked,to,yesterday,is,my,uncle,(. 2.this,is,the,reason,why,I,was,late,for,school,( 3.we,visited,the,museum,which,is,very,old,last,week,( 4.is,the,girl,who,wearing,a,blue,dress,my,sister,( V.按要求改写句子（巩固定语从句） l.The book which I bought yesterday is very interesting..(改为一般疑间句) 5 9年级外研版 【语法专题】 定语从句系统复习 2.He is the boy..I met him at the party.(合并为含有定语从句的句子) 3.This is the room.I lived in it last year..(用”介词+关系代词'改写) 4.The girl is my cousin.Her hair is long and black.(合并为含有定语从句的句子) 综合演练参考答案 I.单项选择：1B2.A3.B4.C Ⅱ.用所给词的适当形式填空：1 played2.was3.whom4.likes Ⅲ.短文填空： 1.which/that 2.which/that 3.who/that 4.which/that 5.whose 6.where 7.who/that V.连词成句： 1.The man whom I talked to yesterday is my uncle. 2.This is the reason why I was late for school 3.We visited the museum which is very old last week. 4.The girl who is wearing a blue dress is my sister. V.按要求改写句子： 1.Is the book which you bought yesterday very interesting? 2.He is the boy whom/who I met at the party. 3.This is the room in which I lived last year. 4.The girl whose hair is long and black is my cousin. 6