定语从句导学案(2) 关系副词教学目标:1. 学习关系副词引导的限制性定语从句。2. 学习“介词+关系代词”引导的定语从句。3. 通过讲练,使学生掌握关系副词引导的限制性定语从句和 “介词+关系代词”引导的定语从句。学习重点:关系副词引导的限制性定语从句和“介词+关系代词”引导的定语从句。学习难点:介词的选择和关系词的选择。Teaching ProceduresStep 1 Lead inStep 1 RevisionTranslate some sentences into English.1. This is the man who helped me. 2. The Doctor whom you are looking for is in the room. 3. Do you know the man whose name is Yao Ming? 4. I have lost my book, which I like very much.5. He sold his bicycle, which surprised me. 6. As is known to all, China is a country with the largest population in the world.Step 3 Grammar Learning---Explanations一、关系副词的基本用法:关系副词先行词在从句中充当的成分when时间时间状语where地点地点状语why原因 (reason)原因状语当先行词表示时间、地点、原因,且这些先行词在定语从句中作状语时,就分别用 when, where, why 来引导定语从句。when, where, when=in, at, on, during 等+which;where=in, at, on, under 等+which;why 一般可用“介词+which”替代。如:I still remember the day (=on which) when I first came to our school.Xi’an is the city where (=in which) I was born.Can you tell me the reason why (=for which) he is absent?注意:1、先行词是表示时间、地点或原因的,但它们在定语从句中不是作状语,而是作主语、宾语或定语时,也不能用关系副词(when, where, why),而要用关系代词。如:I have forgotten the date (that/which)he told me. Do know the reason (that/which) he gave at the meeting?That is the museum (that/which) we visited last Sunday.注意:2、当先行词为一些表示抽象地点的名词,如:point, situation, case, stage 等,假如引导词在从句中作状语,常用关系副词 where 引导定语从句;假如不作状语,则用关系代词 that/which。Remember that there is still one point which we must make clear at th...