广东省惠州市惠东县惠东荣超中学高中英语 Unit5 Grammar 学案 新人教版必修 2 Important points: To master the use of pre. + which / whomDifficult point：Learn the different meanings and functions of pre.+ which / whom课前预习案 Previewing Case Task 1.Revision由关系代词或关系副词引导, 修饰主句中的某一个名词或代词并起定语作用的从句, 叫定语从句。定语从句所修饰的词叫先行词, 从句跟在先行词后面。关系代词: ____________________； 关系副词：__________________Task 2. “介词 + 关系代词”引导的定语从句介词 + 关系代词引导的定语从句是定语从句中较复杂的一种，多用于正式文体中。这类定语从句的关系代词:___________。它们既可引导非限定性定语从句，又可引导限定性定语从句。Task 3. Can you find five similar sentences in the reading passage?课堂探究案一 Exploring case Task1. 注意介词的选取。 1. 根据介词和定语从句中______的习惯搭配。Wh o is the man with whom you just shook hands？ 刚才和你握手的人是谁？ 2. 根据定语从句______的需要。He had a bad cold，because of which he didn't attend the meeting. 他患了重感冒，因此未能参加会议。3. 根据意思也可用复杂介词，如 by means of，as a result of，in front of，in the back of ，all of，most of 等，The instrument ________ which the temperature is measured is called thermometer. 用来测量温度的仪器叫温度计。 Task 2. 注意关系代词的选取。在“介词 + 关系代词”引导的定语从句中，如果关系代词指代事物就用 _______; 如果指代人则用 ______ 。 Examples： 1.This is the classroom in which we studied last year. 这就是我们去年学习的教室。 2.He lives in a house，the door of which opens to the north.他住的房子门是朝北开的。3.There are sixty students in our class,twenty of whom are girls. 我们班有六十个学生，其中二十个是女生。Task3. 注意关系代词的替换介词 in，on，at，for 等与关系代词 which 引导定语从句时，可与相关的关系副词 when， where，why 等替换。如： America is the country in which George Washington was ...
