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英语初三定语从句

定语从句

一、知识点 核心概念

定语从句用来修饰名词或代词,被修饰的词叫先行词,常见关系词有 whowhichthat

二、知识点讲解(分步骤)

  1. 找先行词:从句修饰的是谁或什么。
  2. 判断先行词是人还是物。
  3. 人常用 who / that,物常用 which / that
  4. 关系词在从句中作成分,不能随意省略。

三、图解 / 示例

The boy who is singing is Tom. This is the book that I bought yesterday. I like movies which make me laugh.

四、易错点 / 陷阱

  • 先行词是人时,不要误用 which
  • 定语从句不是两个完整句子简单相连。
  • 关系词作主语时不能省略。

五、公式 / 规则总结

先行词常用关系词示例
who / thatthe girl who sings well
which / thatthe book which I like
人或物thatthe things that matter

六、练习题(基础题, 提高题, 拔高题)

基础题:选择关系词。

  1. The man ___ is talking is my uncle. (who / which)
  2. The bike ___ I bought is red. (who / which)

提高题:合并句子。

  1. I know the girl. The girl won the prize.

拔高题:翻译句子。

  1. 我喜欢能让我放松的音乐。

答案:

  1. who
  2. which
  3. I know the girl who won the prize.
  4. I like music that can make me relaxed.

七、拓展 / 关联知识

  • 定语从句常出现在阅读长难句中。
  • 写作中使用定语从句可以让表达更紧凑。