Unit9语法定语从句之核心用法(二)2025-2026学年人教版英语九年级全册

定语从句核心用法（二） （1） 引导定语从句的关系代词（重点） 关系代词三作用：引导定语从句、代替先行词、在定语从句中担当一个成分 关系代词 指代 在定语从句中 所做的成分 who 人 主语、宾语 whom 人 宾语 which 物 主语、宾语 that 人、物 主语、宾语 whose 人、物 定语 先行词 从句成分 when 时间短语/单词 时间状语 where 地点短语/单词 地点状语 why reason 原因状语 （二）引导定语从句的关系副词（了解） 具体用法： 1. When 引导定语从句时，从句的先行词为表示时间的名词， When 在从句中作时间状语，相当于“介词 in/at...＋which”结构。 2.where引导定语从句时，从句的先行词为表示地点的名词， where在从句中作地点状语，相当于“ 介词in/at...＋which ”结构。 3.why引导定语从句时，从句的先行词通常为reason, where在从句中作原因状语，相当于“for+which”结构。 (三）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。 综合练习 一、选择正确的关系词（每题2分，共20分） （ ）1.You can’t wake a person_____ is pretending to be asleep. A.who B. he C. / D.which ( ) 2. ----Who is your new English teacher? ----Elena, the woman ____is wearing a yellow dress over there. A.who B. which C. whose D. whom ( )3. I’ll always remember the man _____helped me when I was in trouble. A.whose B. who C.which D. where ( )4. ---Do you know the woman ____came here yesterday? ---Yes, she brought me the most interesting book______ I had wanted to buy. A. who; which B. what; that C.whom; which D. who; that ( )5.Is that the young man _______helped us a lot after the earthquake? A. when B.which C. whose D. who ( ) 6．________ is often the case, we have worked out the production plan. A．What B．When C．Which D．As ( )7．________ we all know, the Earth goes around the Sun. A．Because B．As C．Because of D．For ( )8．______ you know, different countries have different customs. A．For B．As C．If D．Like ( )9．I am so glad that I have found the same modern computer _______ I am working on. A．as B．which C．that D．where ( )10．He isn't such a man ______he used to be. A．who B．that C．whom D．as 二、对接中考。 请在下列横线上填写合适的关系词。（每空一分，共10分） 1．The ancient library I visited last winter was completely destroyed in a fire. 2．You are the outstanding student I’m looking for. 3．The girl likes dancing is my sister. 4．Mr. Wang is the person you talked about on the bus. 5．The student is answering the question is Amy. 6．The building stands near the river is our school library. 7．This is the book I borrowed from the library. 8．This is the house he lived in five years ago. 9．Haiku is a Japanese form of poetry consists of 17 syllables. 10．The reason he gave sounded unbelievable. 定语从句思维导图总结： 学科网（北京）股份有限公司 $$