Unit1 非限制定语从句课件 -2022-2023学年高中英语人教版（2019）选择性必修第一册

Achievement Learning About Language UNIT 1 People of Step1-Revision复习 Task：①划出定语从句 ②指出先行词和关系词③分析关系词在从句里面做什么成分 Festivals are occasions that allow us to relax and enjoy life, and forget about our work for a little while. Those who are willing to take risks are more likely to take actions. The boy whose mother died in the earthquake was interviewed by a local newspaper. 【概括】 ①限制性定语从句是用来对___________________ 进行修饰限定的从句， 故也称之为______________的从句； ②位置关系：___________+______________ ③关系词代替_____________， 在定语从句中作___________(主语、宾语、表语、定语、状语等) 3 先行词（名词或代词) 形容词性的 先行词 定语从句 成分 先行词 关系代词 1) A plane is a machine ___________ can fly. 2) The car _______________ my uncle bought last week was stolen. 3) The students _____________ don’t study hard will not pass the exam. 4) The woman ___________________ you saw in the park is our English teacher. 5) ______ we all know, he is a successful man. 6) They live in a house , whose windows face south. which/that (which/that) who/that (whom/who/that) As 4 关系副词 1.当先行词在定语从句中作状语时，要用关系副词。 表时间用when，表地点用where，表原因用why引导。 1)He will always remember the day when(=on which) his father returned from America. 2)The factory where(=in which) his father works is the largest one in this city. 3) I don’t know the reason why(=for which) he was absent today. As 5 关系代词和关系副词的区别 1.I’ll never forget the days______ we worked together. 2.I’ll never forget the days _______ we spent together. 3.I went to the place______ I worked ten years ago. 4.I went to the place ______________ I visited ten years ago. 5.This is the reason ________ he was late. 6.This is the reason __________________ he gave. when (which) where (which/that) why (which/that) 6 关系词 1. 关系代词 （主、宾、定） 2. 关系副词 （状语）: when where why 指人：who、whom 指物: which 3.指人和物： that、whose（定语） 4. 指某一事件: which、as 观察--思考 1.意义不同 限制性定语从句用于修饰先行词，不可缺少，否则主句的意思就不完整。 非限制性定语从句与主句的关