专项复习：定语从句系统复习-2025-2026学年九年级英语下册语法知识点全解（教科版五四制）

9年级专项复习教科版（五四制） 【专项复习】 定语从句系统复习 专项复习 【专题】定语从句系统复习 语法专项突破 考频分析 教科版（五四制）九年级专项复习中，定语从句是重点语法模块，考频占句法总量的15%左右，主 要分布在核心题型：单项选择(1-2题)、完形填空(1-2题)、语法填空(1-2题)、阅读理解（间接 考察，影响长难句理解)。在语境理解类题目中，关系代词和关系副词的选择及从句的完整性往往 是解题关键。 知识点二：定语从句核心考点 1.关系代词引导的定语从句（修饰人/物，在从句中作主语/宾语/定语) 1.关系代词hat(指人/物，作主语/宾语，先行词为不定代词或被最高级修饰时只能用hat): ·例句： l.The girl that is standing under the tree is my sister.(指人，作主语，that不可省略) 2.This is the book that I bought yesterday.(指物，作宾语，that可省略) 2.关系代词wich(指物，作主语/宾语，可用于非限制性定语从句)： ·例句： 1.The building which stands near the river is a hospital..(指物，作主语，which不可省略) 2.She lost the pen which her father gave her.(指物，作宾语，which可省略) 3.关系代词who/whom(指人，who作主语/宾语，whom仅作宾语)： ·例句： 1.The teacher who teaches us English is very kind.(指人，作主语，who不可省略) 2.The boy whom you met at the gate is my brother.(指人，作宾语，whom可省略，也可用who 替换) 4.关系代词whose（指人/物，作定语，表“.的”)： ·例句： 1.This is the girl whose mother is a doctor.（指人，作定语，修饰mother) 1 9年级专项复习教科版（五四制） 【专项复习】 定语从句系统复习 2.I live in a house whose windows face south.(指物，作定语，修饰windows) 2.关系副词引导的定语从句（修饰时间/地点/原因，在从句中作状语) 1.关系副词when（修饰时间名词，相当于“介词+which”): ●例句： l.I still remember the day when I first came to this school..（修饰时间名词day,when=on which) 2.We will never forget the year when the pandemic broke out.(修饰时间名词year,when=in which) 2.关系副词where(修饰地点名词，相当于“介词+which”): ·例句： l.This is the factory where my father works.(修饰地点名词factory,where=in which) 2.They visited the village where Lu Xun was born.(修饰地点名词village,where=in which) 3.关系副词why(修饰原因名词reason,相当于“for which”,只用于限制性定语从句)： ·例句： l.The reason why he was late is that he missed the bus..(修饰原因名词reason,why=for which) 2.Do you know the reason why she refused the invitation?(修饰原因名词reason,why=for which) 3.定语从句的注意事项 1.先行词为指物的不定代词（如all,nothing,something等）时，只能用that引导： ·例句：Is there anything that I can do for you?(先行词anything为不定代词，用that) 2.先行词被序数词、最高级或the only,the very修饰时，只能用hat引导： ●例句：This is the first book that I bought in this bookstore.(先行词被序数词first修饰，用that) 3.关系代词在从句中作宾语时可省略，作主语时不可省略： ·例句：The movie(that/which)we watched last night was very interesting.(that/which作宾语，可省 略) 4.非限制性定语从句不可用ht引导，且关系代词/副词不可省略： ·例句：My brother,.who is a teacher,works in Beijing.(非限制性定语从句，用who引导，不可省 略) 4.定语从句与简单句的转换（将定语从句简化为分词短语/介词短语等） 1.关系代词作主语且从句为主动语态时，可转换为现在分词短语： 9年级专项复习教科版（五四制） 【专项复习】 定语从句系统复习 ·例句：The boy who is running on the playground is my cousin.→The boy running on the playground is my cousin. 2.关系代词作主语且从句为被动语态时，可转换为过去分词短语： ·例句：The books which are written by Mo Yan are popular.→The books written by Mo Yan are popular. 3.关系副词where/when引导的定语从句，可转换为“介词+名词”结构： 。例句：I visited the city where my grandparents lived.→I visited the city of my grandparents'living 知识点三：定语从句 1.关系代词（基础引导词） 基础用法（中考必背）： l.that(指人/物，作主语/宾语)→例句：The book that I bought yesterday is very interesting.(指 物，作宾语) 2.which(指物，作主语/宾语)→例句：This is the pen which my father gave me.(指物，作宾语) 3.who(指人，作主语/宾语)→例句：The girl who is wearing a red dress is my sister.(指人，作 主语) 4.whom(指人，作宾语)→例句：The boy whom you met in the park is Tom.(指人，作宾语) 5.whose(指人/物，作定语)→例句：This is the student whose mother is a doctor.(指人，作定语) 2.关系副词（时间/地点/原因） 重点用法（中考常考）： l.when(指时间，作状语)→例句：I still remember the day when we first met. 2.where(指地点，作状语)→例句：This is the school where I studied two years ago. 3.why(指原因，作状语，修饰先行词reason)一→例句：Tell me the reason why you were late.. 3.特殊用法（中考易错） 1.介词+关系代词（物用which,人用whom)→例句：The house in which he lives is very big./ The person with whom I talked is my teacher. 2.只能用that的情况（先行词为不定代词、最高级、序数词等）→例句：All that glitters is not gold.（先行词为不定代词all) 3.非限制性定语从句（用逗号隔开，不能用that)→例句：My brother,,who is a doctor,works in 3 9年级专项复习教科版（五四制） 【专项复习】 定语从句系统复习 Beijing. 考法精析 考法一：关系代词辨析 核心：根据先行词指人/指物、在从句中作主语/宾语，以及特殊修饰词（如最高级、不定代词），选 择正确的关系代词(who/whom/which/that/whose) 真题1（语法填空）： The student_won the competition is from our class. 答案：who/that 解析：先行词the student''指人，从句中缺主语，故用who或that。 真题2（单项选择)： This is the best storybook_I have ever read. A.which B.that C.who D.whom 答案：B 解析：先行词'storybook'被最高级best”修饰，只能用ht。 考法二：定语从句关系词综合运用 核心：结合定语从句的构成规则与常见错误辨析，根据先行词类型及从句成分选择正确关系词 真题1（语法填空）： This is the most interesting story-I have ever read. 答案：that 解析：先行词stoy被最高级most interesting修饰，根据知识点二关系代词that的用法，先行词被 最高级修饰时只能用that,且在从句中作read的宾语。 真题2（单项选择）： The girl-hair is golden is from England. A.who B.which C.whose D.who's 答案：C 解析：从句中hair为名词，需要定语修饰，根据知识点三常见错误辨析，whos表示“的”，后 接名词作定语，指“女孩的头发”；who's是wh0is的缩写，不符合句意。 考法三：定语从句关系词综合辨析与转换 4 9年级专项复习教科版（五四制） 【专项复习】 定语从句系统复习 核心：结合先行词特征（不定代词/最高级修饰等）、从句成分（主语/宾语/状语）及句式转换（非 限制性定语从句/分词短语)，综合判断并运用关系代词/副词 真题1（单项选择)： The only movie_we can watch this weekend is the one_tells a story about friendship A.which;who B.that;which C.that;where D.which;that 答案：B 解析：第一空先行词被'the only”修饰，只能用that';第二空先行词'the one'”指物且在从句中作主 语，可用which”或that”,结合选项选B。 真题2（语法填空）： The girlis standing there,-mother is a doctor,likes reading books-were written by Mo Yan. 答案：who;whose,that 解析：第一空先行词theg”指人且作主语，用who”;第二空为非限制性定语从句，表”…的” 用”wh0se”;第三空先行词books'”被不定代词books”泛指，但前有序数词/最高级/不定代词等特殊 情况时用that',此处无特殊限制但选项需符合语法，用that”或"which”,结合初中考点填that”。 解题小妙招 定语从句解题妙招 先行词，先辨清，指人指物要分明： 从句成分是关键，主宾用代状用副： 最高级和序数词，that独用莫迟疑： 人+物作先行词，hat上阵不含糊： whose表“.的”，后接名词作定语： 非限制性定语从句，逗号隔开更清晰，that不用which替： what不能引定从，牢记规则不犯错。 真题演练 演练一：单项选择 1.The boyis playing basketball on the playground is my brother. A.which B.who C.whom D.whose 2.This is the best film_I have ever seen in my life. A.which B.who C.that D.what 3.I still remember the dayI first met my English teacher. A.when B.where C.why D.which 9年级专项复习教科版（五四制） 【专项复习】 定语从句系统复习 4.The housewindows face south is ours. A.which B.who C.whose D.that 5.We talked about the people and places-we visited last summer. A.which B.that C.who D.where 6.The girlyou met at the party yesterday is a famous singer. A.which B.where C.whom D.when 7.This is the reason-he was late for school this morning. A.why B.which C.who D.when 8.The dictionary_my mother bought me is very useful. A.whose B.who C.which D.what 9.Beijing,is the capital of China,has a long history. A.which B.who C.that D.where 10.The man we are talking about is our new headmaster. A.which B.whom C.whose D.when 演练二：语法填空 1.This is the park we had a picnic last Sunday. 2.The studentname is Lucy won the first prize in the competition. 3.I will never forget the time we spent together in the countryside. 4.The book-cover is green was written by Mo Yan 5.This is the most interesting story_I have ever read. 6.The girl-is wearing a blue dress is my best friend. 7.We visited the factory-produces mobile phones last week. 8.Do you know the reason-he refused the invitation? 9.The teacher_taught us math last year has gone abroad. 10.This is the room_my father used to live. 演练三：语法填空（短文） I live in a small town_(1)has a long history.There is a park in the center of the town-(2)many people like to take a walk.Last month,I met an old man-(3)told me stories about the town.He showed me a photo_(4)was taken 50 years ago.In the photo,I saw a school(5)I studied when I was a child.The old man also told me about a teacher_(6)name was Mr.Li.Mr.Li was the teacher-(7)taught him English.He said Mr.Li was the kindest person_(8)he had ever met.Now,the town has changed a lot, but the memories_(9)we shared will always stay in my heart.I love this town _(10)gave me so many 6 9年级专项复习教科版（五四制） 【专项复习】 定语从句系统复习 happy moments. 答案区 演练-：1-5 BCACB6-10 CACAB 演练二：1.where2.whose3.that/which4.whose5.that6.who/that7.which/that8.why9.who/that 10.where 演练三：1.which/that2.where3.who/that4.which/that5.where6.whose7.who/that8.that9. that/which 10.which/that 7