2022届高考英语语法复习：定语从句中as的用法 课件.ppt

1、定语从句定语从句 asas的用的用 法法 Confidence comes from preparation ！ 考点解读考点解读 知识框架：关系代词asas既可以引导限制性定 语从句也可以引导非限制性定语从句，在从 句中充当主语、宾语。 能力要求：重点掌握asas引导非限制性定语从 句的用法。 基础知识框架 01 asas引导的限制性定语从句 当先行词前有such, so, the samesuch, so, the same修饰，同时定 语从句缺少主语或宾语时，应使用关系代词asas， 即即such/so . as , the same . as . Eg. 1. They talked

2、in such simple English as children could understand. 2. There is so warm a house as we want to live in. 3. The result is not the same as they had expected. asas引导的限制性定语从句 the same.as.与与 the same.that. Eg. I have the same book as he is reading. 我有一本书，与他正在看的那一本相同。我有一本书，与他正在看的那一本相同。（两本书）（两本书） I borrowe

3、d the same book that he did last week. 我借了一本书，就是他上周借的那一本。我借了一本书，就是他上周借的那一本。（一本书）（一本书） the sameas相似但不同一 the samethat 同一物体 asas引导的限制性定语从句 such/ soas such/ soas 引导的定语从句与 such/ sothat such/ sothat 引导的状语从句的区别 Eg. He is such a clever boy as everyone likes. He is such a clever boy that everyone likes him.

4、as在从句中可充当主语， 宾语等成分；that不充当成 分; 按句意。 asas引导的非限制性定语从句 1. The compass, as is well-known to all, was invented in ancient China. 2. He seems a farmer, as in actual fact he is. 3. As we know, Taiwan is a part of China. asas在从句中可以作主语、表语或宾语。用作主语时，在从句中可以作主语、表语或宾语。用作主语时， 谓语动词用单数形式。谓语动词用单数形式。 从句可以位于句首、句中或句末，但习

5、惯用逗号隔开。从句可以位于句首、句中或句末，但习惯用逗号隔开。 asas有有“正如正如那样；像那样；像一样一样”的词义。的词义。 asas引导的非限制性定语从句 as we knowas is often the case as is reporeted/ said as you expected as is well known to allas the saying goes 正如我们所知道的那样正如我们所知道的那样 情况往往如此情况往往如此 正如报道的那样正如报道的那样正如你所期待的那样正如你所期待的那样 众所周知众所周知 俗话说俗话说 asas引导的非限制性定语从句 As is kno

6、wn to all, the sun rises in the east. After graduating from college, I took some time off to go travelling, which turned out to be a wise decision. There is no simple answer, as is often the case in science. The Travel Agency, with which our company has been dealing for several years, has opened for new branches. 能力提升能力提升 02 突破高考题型 1 填词填词 改错改错 2 书面表达书面表达 高考题型填词 高考题型改错 is 高考题型书面表达 备考建议 对于asas引导定语从句的用法，高考重点考查的是 asas引导非限制性定语从句的用法，因此在备考的 过程中，我们要着重掌握。尤其是as引导的非限 制性定语从句的固定表达也是学习的重点。 Thanks