Unit 5 Section Ⅳ Discovering Useful Structures——限制性定语从句(2)-2022-2023学年高一新教材英语必修第一册【步步高】学习笔记（人教版）

Section Ⅳ　Discovering Useful Structures——限制性定语从句(2) 1．It was a time when people were divided geographically. 2．Emperor Qinshihuang united the seven major states into one unified country where the Chinese writing system began to develop in one direction. 3．There are many reasons why this has been possible, but one of the main factors has been the Chinese writing system. 4．These were animal bones and shells on which symbols were carved by ancient Chinese people. 5．It was in 1952 and Mandela was the black lawyer to whom I went for advice. 一、关系副词引导的定语从句 当关系词在定语从句中作状语时，要用关系副词。关系副词的指代及功能如下： 关系副词 先行词 功能 when 表示时间的名词 时间状语 where 表示地点的名词 地点状语 why reason 原因状语 1.when 引导的定语从句 when表示时间，在定语从句中作时间状语，相当于“介词in/at/on/during ...＋which”结构。 I will never forget the day when I first saw you. ＝I will never forget the day on which I first saw you. 我永远不会忘记第一次见到你的日子。 2．where引导的定语从句 where表示地点，在定语从句中作地点状语，相当于“介词in/at/on ...＋which”。 After living in Paris for fifty years he returned to the small town in which he grew up as a child. 在巴黎生活了50年后，他回到了儿时成长的那个小镇。 I’d like to live in the house where there is plenty of sunshine.我喜欢住在那个阳光充足的房子里。 [名师点津]　当先行词为situation, case, stage, point, activity, atmosphere等抽象名词，且引导词在定语从句中表示事情发生的情况、阶段等时，常用关系副词where引导。 They have reached the point where they have to separate with each other. 他们已经到了必须分手的地步。 3．why引导的定语从句 why表示原因，在定语从句中作原因状语，相当于“介词for＋which”结构。 Unsuccessful people can always find reasons why they’re not doing well. ＝Unsuccessful people can always find reasons for which they’re not doing well. 不成功的人总能找到自己表现不好的理由。 　用适当的关系副词填空 ①This is the place where we held a party last week. ②We will never forget the day when we met for the first time. ③I don’t know the reason why he didn’t turn to his good friend for help yesterday. [名师点津]　表示时间、地点及原因的名词作先行词时，定语从句可用关系代词引导，也可用关系副词引导。若先行词在定语从句中作状语，应用关系副词；若先行词在定语从句中作主语或宾语，则应用关系代词。 These are the reasons why we do it. 这些就是我们这样做的理由。 I don’t believe the reason (that/which) he gave me for his being late. 我不相信他给出的迟到的理