专题02 重点语法归纳+练习--2022-2023学年高一英语上学期期末考点大串讲（北师大版2019）

北师大版（2019）高一英语上学期期末考点大串讲 专题02 重点语法归纳+练习 必修二 Unit 6 The Admirable 定语从句(3)——“介词＋关系代词”引导的定语从句 语法图解 观察句子 1．(教材P53)A scientist who was on the Nobel Prize Committee called Hans Forssberg explained that... 2．(教材P53)Later，she studied Chinese medicine for two and a half years with experts in the field from whom she gained a deep knowledge about traditional practices. 3．(教材P53)The reason why this was difficult was that the team had limited resources. 4．(教材P53)They did not have enough staff, and the laboratory in which they worked had poor air quality. 5．(教材P55)In 1969, Tu Youyou was chosen to establish a team whose goal was to find a cure for malaria... 我的领悟 1．例句1和5为关系代词引导的定语从句。 2．例句3为关系副词引导的定语从句。 3．例句2和4为“介词＋关系代词”引导的定语从句。 语法知识详解 一、关系代词的确定 关系代词在定语从句中作介词的宾语时，从句常由“介词＋which/whom”引导。若介词放在关系代词前，关系代词指物时只能用which，关系代词指人时只能用whom；如果关系代词作定语，也可用whose。 ◆The ladder on which I was standing began to slip. 我脚下站着的梯子开始滑动。 ◆We'll go to see the famous singer about whom we have talked. 我们将去看望我们谈到的那位著名的歌手。 ◆This is the boy with whose pen I wrote a letter just now. 这就是那个男孩，刚才我用他的钢笔写了一封信。 [即时演练1]——单句语法填空 (1)(2020·江苏卷)Many lessons are now available online，from students can choose for free. (2) (2018·全国卷Ⅰ)They also had a small pond in they raised fish. (3)It is known to all that the old scientist，for life was hard in the past，still works very hard in his eighties. (4)We all respect our father, with help we become useful persons. 二、介词的选取 “介词＋关系代词”结构中介词的选用根据上下文要表达的具体意思、先行词的习惯搭配或定语从句中某些单词或短语的习惯搭配而定。具体用法如下： 1．根据上下文要表达的具体意思来确定介词。有些句子的先行词完全一样，这时，需要根据句子所要表达的意思选用不同的介词。 ◆This is the pilot with whom my brother has worked for ten years.(＝My brother has worked with the pilot for ten years.) 这就是和我弟弟一起工作了十年的那位飞行员。 This is the pilot by whom my son was saved.(＝My son was saved by the pilot.) 这就是救了我儿子的那位飞行员。 2．根据定语从句修饰的先行词的习惯搭配来确定介词。 ◆Do you still remember the day on which we met for the first time? 你还记得我们第一次见面的那一天吗？ (on the day) 3．根据定语从句中某些单词或短语的习惯搭配来确定介词。有时候，这个介词可能