Unit 5 Languages Around the World Discovering Useful Structures学案 2023-2024学年高中英语人教版（2019）必修第一册

where there is a will, there is a way. 使用日期:2024 年 1 月 日第 周 Unit 5 Grammar定语从句(介词+关系代词) 【Learning objectives】 Master attributive clauses guided by prepositions and relative pronouns. 【Key points and difficult points】 Master attributive clauses guided by prepositions and relative pronouns. 【Learning procedures】 I. 介词+关系代词引导的定语从句——介词+which/whom 1.关系代词的确定: 介词放在关系代词之前,关系代词指人时常用whom,指物时常用which。 Eg:①This is the student for whom I bought a book. 这就是我给其买书的学生。 Eg:②This is the ship by which I went to Shanghai. 这就是我去上海所乘的车。 2. 介词的确定 (1).依据定语从句中动词、形容词等的习惯搭配来确定; Eg: In the street, there wasn’t a single person to whom she could turn for help. [解析]:句意:“在大街上,没有一个她可以求助的人。”分析句子可知,标注处引导定语从句,先行词是a single person,完整部分为:She could turn to a single person for help. (turn to sb for help) (2).依据与先行词的搭配来确定; Eg: This is the farm on which he works. [解析]:句意:“这是他工作的农场。”分析句子可知,标注处引导定语从句,先行词是the farm,完整的从句为:他工作的农场:He works on the farm. (on the farm) (3) .根据句子所表达的意思来确定。 Eg: This kind of colorless gas without which we can’t live is called oxygen. [解析]:句意:“这种无色气体被称作氧气,没有它我们就不能生存。”分析句子可知,标注处引导定语从句,先行词是this kind of colorless gas,完整部分为:We can’t live without this kind of colorless gas. (4).【特别提醒】 ①有些固定的动词短语一般不能拆开,介词一般只能放在动词的后面。常用的不可拆开的动词短语有care for(喜欢);deal with(处理;对付;处置);get through(渡过难关);hear from(收到...的来信);look after(照顾);send for(派人去请);see to(照顾,料理)等。 Eg: This was the problem which he should deal with. 这是他应该处理的问题。 ②介词可以后移,此时关系代词可以省略(省略时,介词必须后移)。 Eg: 这是你要的那本书。 This is the book for which you asked. This is the book (which/ that) you asked for. II. 定语从句常见句式 1. there was a time when......曾经有一段……的时光/曾经一度…… Eg: There was a time when women had no right to participate in the Olympics. 曾经有一段时间,女性没有权利参加奥运会。 2....the reason why(定从 作状语)...is/was that(表从).........的理由是因为..... Eg: The reason why he was absent from the meeting was that he was ill. 他缺席会议的原因是他病了。 3. It is/ was + 被强调部分(定从)+that/who+ 其他 正是...的...... Eg: It is your efforts that you have made that greatly inspire us. 你们所作的努力极大地激励了我们。 III. 练习——用介词加关系代词填空 1.