Unit 6 Period 3 Grammar 定语从句(Ⅲ) 导学案-2023-2024学年高中外研版英语必修第一册

Book1 Unit6 At one with nature Period 3 Grammar——定语从句(Ⅲ) 学习目标： 1. 掌握“介词+关系代词”的用法 2. “介词+关系代词”在语境中的运用 学习重点： “介词+关系代词”的用法 易混易错知识：在语境中准确使用“介词+关系代词”的用法； 关系副词与“介词＋ which”不能互换的情形( 清北班) 情境感悟: 用适当的“介词＋关系代词”填写下面教材中的句子并体会它们的语法特征。 1.These terraces were built by the local Zhuang and Yao people, ________ Guangxi is home. 2.But perhaps what is most significant is the way ________ people have worked in harmony with nature to make these terraces and grow rice. 3.This forms clouds ________ rain falls down onto the mountain terraces once again. 4.Although modern technology could help produce more crops, these terraces still mean a lot to the local people ________ traditions hold much value. 5.There are hundreds of waterways, ________ rainwater moves down the mountains and into the terraces. 语法精讲: 引导定语从句时where与in which有时可互换，有时不能互换，注意以下几点： 一、关系副词与“介词＋which”互换的情形 当“介词＋which”在定语从句中作时间、地点和原因状语时，可以用相应的关系副词when，where和why来替换。 1．when根据情况可以等于in which，at which，on which等。如： The day when(＝on which) she arrived was Thursday.她到的那天是星期四。 July and August are the months when(＝in which) the weather is hot.七八月是天气很热的月份。 这种替换有时出现在非限制性定语从句中。如： We'll put off the picnic until next week, when(＝by then) the weather may be better. 我们将把野餐推迟到下星期，那时天气可能会好一点。 2．where根据情况可以等于in which，at which，on which等。如： This is the hotel where(＝in which/at which) they were staying.这就是他们当时住的旅店。 Do you remember the place where(＝at which) we had lunch？你记得我们吃午饭的地方吗？ 这种替换有时出现在非限制性定语从句中。如： The Tower of London, where(＝in which) so many people lost their lives, is now a tourist attraction. 在伦敦塔中曾有许多人丧命，它现在是旅游胜地。 3．why若要换成“介词＋which”只能是for which。如： The reason why(＝for which) I came here was to be with my family. 我到这里来的原因是要跟我的家里人在一起。 My success in business, the reason why(＝for which) he dislikes me，has been due to hard work.他为我在事业上的成功而不喜欢我，我的成功归功于我努力工作。 但是，反过来，for which并不一定能换成why。如： The documents for which they were searching have been recovered.他们找寻的文件已经找到了。 二、关系副词与“介词＋ which”不能互换的情形 1．有些语境需要用特定的介词来明确其关系，此时若换成关系副词，则会导致意思不明确或句意不通顺。如： The