Unit9 SectionA Grammar focus 4a-4c 课件2022-2023学年人教版英语九年级全册

Unit 9 I like music that I can dance to. Section A Period Three 定语从句学习目标： 1.定语从句是指在句中作定语的从句。 2.能辨认由that, which, who引导的定语从句，并知道如何选用关系词。 定语从句 观察思考 下列各是什么从句 1. I like music that I can dance to . 2. I wonder if you are successful . 3. He asked what I said just now . 4. Although he studied hard, he didn’t passed final examination . 5. My math teacher is a person who is strict with us . 6. The book which I bought is the best. My father is a person who is friendly. My father is a person who/ that can make delicous food . 先行词 关系代词 定语从句 定语从句： 1.在复合句中，修饰某一名词或代词，并充当其定 语的从句叫做定语从句。 2.被定语从句修饰的 名词或代词叫做 先行词。 定语从句常放在先行词的后面，由关系代词 who, which, that等引导。 4 先行词：是被定语从句所修饰的词 （通常是名词或代词） 关系词的作用： 1.引导定语从句 2.在从句中替代先行词，在定语从句中充当一定的成分，通常是主语或宾语，作宾语时常可以省略。 定语从句： 先行词+关系词(that/which/who)+从句 修饰 3.关系代词的使用取决于先行词, 当先行词是人用 who / that （作主语或宾语） 当先行词是物时,用that或which(作主语或宾语）(关系代词作宾语时可以省略,作主语不能省略) 4.当先行词是物，介词之后只能用which,不能用that. This is my house in which I lived ten years ago. 先行词 关系词 指人 that (作主语、宾语或表语) who (作主语、宾语或表语) whom (作宾语) 指物 that (作主语、宾语或表语) which (作主语或宾语) 有时可代替whom作宾语 Who is the girl that talked to you yesterday. Attributive clause 关系词在从 句中做主语 观察与思考 Look at the photos (that) I took on my trip. Attributive clause 关系词在从句中作宾语 先行词是物 先行词是人 It successfully shows the rich culture which makes Beijing so famous. Attributive clause 关系词在从 句中作主语 先行词是物 The photo (which) we liked best was taken by Zhao Min. Attributive clause 先行词是物 关系词在从句中作宾语 在先行词是物的定语从句中，一般情 况下that和which都可以通用, 但在下 列情况下, 一般用that而不用which。 that与which的区别 I am sure she has something that you can borrow. 1.先行词为all, everything, nothing, something, anything, little, much 等不定代词时。 I’ve read all the books that are not mine. 2. 先行词被all, little, much, every, no 等修饰时。 3. 先行词被序数词或最高级修饰时。 This is the first book that he has read. E.g: This is the very book that belongs to him. 4. 先行词被the only, the very, the same, the last修饰时。 5. 先行词为人和物的组合。 E.g: They tal