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课件网) Unit 5 Discovering Useful Structure --Describe your favorite things 先行词 关系词 定语从句 定语从句三要素 先行词，关系词，定语从句 There are many reasons why people learn a foreign languages. 马 马车 马车夫 .先行词、关系词、定语从句三者的关系： 马 先行词 马车夫 关系词 马车 定语从句 Review 关系词的三个作用: 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 所指代的先行词 在从句中所做成分 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)的 定语 注意：做宾语可以省略 1. I have many friends _____I’m going to send postcards to. 2. The girl_____ sits next to me in class is good at singing. 3. This is the novel_____ my English teacher recommended to us last week. 4. We visited the historical building _____has stood in the city center for 200 years. 5. The student _____the teacher praised just now won the English speech contest. 6. Do you know the boy _____father is a famous doctor in the local hospital Fill in the blanks with that/which/who/whom/whose. who/whom who/that that/which whose The ancient civilisation is described with a(n) _____. attributive clause Let’s have a review the textbook Find out the sentences with similar structure in the text on page 62 Para 1 Para 2 Para 3 Find out the sentences with similar structure in the text on page 62 Para 4-6 观察先行词有什么特点？ 从句中缺少什么成分？ 关系副词的用法 1. I’ll never forget the day when I joined the team . 2. The school where my son studies is near a park. 3. Do you know the reason why he is so upset 状语 I met my friend. 表动作发生的状态/时间/地点/方式/原因/条件/目的的成分 副词，介词短语 I met my friend yesterday/on Tuesday. I met my friend at the office ... I clean the floor with my hand… I talked with Tom, because he didn’t hand in the homework on time. 副词/介词短语作时间状语 介词短语作地点状语 介词短语作方式状语 because引导原因状语从句 关系副词句中做状语 1.关系副词--When 引导定语从句时，先行词为表示时间的名词，关系词在从句中作时间状语，可用“介词+ which” 来替换。 I’ll never forget the day when (on which) I joined the team . I’ll never forget the day. I joined the team on that day. 分解 when时间状语 when引导的定语从句修饰表示时间的名词time, hour, day, year, moment, occasion 时刻，age年代，period阶段, interval 间隙等词，并在定语从句中作时间状语，相当于介词prep+which I’ll never forget the date when(on which ) my baby boy was born. They stayed with me three weeks, when (during which) they finished the task. ★不能看到时间就用when看从句缺什么成分 I’ll never forget the day _____ I lived in the mountains. I’ll never forget the day _____ I spent in the mountains. when that/which/省略 2.关系副词--Where 引导定语从句时，先行词为表示地点的名词，关系词在从句中作地点状语，可用“prep+ which” 来替换。 The school where (in which) my son studies is near a park. The school is near a park. My son studies in this school. 分解 where 地点状语 where还可用在表示抽象意义的地点名词后，如situ ... ...
