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课件网) Using language Attributive clauses (2) Unit 5 Into the wild Review Attributive clauses 定语从句 (1) —关系代词的用法 1.定义：在复合句中作定语，修饰名词或代词的 从句。 2.先行词：被修饰的名词、代词或整句话。 3.引导定语从句的词有： 关系代词：who, whom, whose, which, that。 关系副词：when, where, why。 关系代词 先行词 充当语法成分 是否可省略 that which who whom whose 关系副词 先行词 充当语法成分 是否可省略 when where why 人、物 主、宾 宾语可省 物 主、宾 宾语可省 人 主、宾 宾语可省 人 宾 不可省略 (人、物)的 定 不可省略 Can you look for more sentences with when,where, why in the reading passage （2mins） Activity 1 1. These two pieces of information—the time of day and the point where the sun is in the sky— allow the butterfly to determine the way to go. 2.Eventually,it manages to reach the places where it will spend the winter. 3.The solution ... comes at a time when it is in serious trouble. 4. Sadly, human activity is the main reason why the number of monarch butterflies is falling. 5.In many of the places where the butterfly can be found, people are destroying the natural environment. 6..If this works, there may come a time when the number of monarch butterflies increases once again. Activity 2 A. Eventually, it manages to reach the places where it will spend the winter. B. The solution… comes at a time when it is in serious trouble. C. Sadly, human activity is the main reason why the number of monarch butterflies is falling. 1. What do “where”, “when” and “why ” refer to in each sentence 2. What’s the difference between the two groups of sentences 3. Why does the author choose to use sentence (a), (b) and (c) in the reading passage D. Eventually, it manages to reach those places. It will spend the winter there. E. It is in serious trouble. The solution… comes at this time. F. Sadly, human activity is the main reason. For this reason, the number of monarch butterflies is falling. where 在定语从句中用作地点状语，其先行词须是表示_____的名词。 This is the school. I studied a few years ago in the school. This is the school where I studied a few years ago. 关系副词在定语从句中的用法 地点 when 在定语从句中用作时间状语，其先行词须是表 _____的名词。 January is coming soon. We can go home for a rest in January. January, when we can go home for a rest, is coming soon. 时间 why 在定语从句中用作原因状语，其先行词一般是_____。 This is the reason. He cried for this reason. This is the reason why he cried. reason(s) 分析与比较（先行词，充当语法成分，关系词） 1. …the point where the sun is in the sky… 2. the places where it will spend the winter. 3. …a time when it is in serious trouble. 4. …reason why the number of monarch butterflies is falling. 5. …the places where the butterfly can be found… 6. …a time when the number of monarch butterflies increases once again… 1. …people that we want to remain friends with. 2. …others who also enjoy doing them. 3. …chemicals that kill the ... ...
