what引导的什么从句,只起连接作用,不做成分

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标签: 从句 成分 引导

管理员

摘要:

  what引导从句用法例句:  1、主语从句:What is beautiful is not always good.  美的东西并不总内是好的。  2、宾语从句:I could hardly believe what he had told me.  我简直不敢相信他所告诉我的。  3、表语从句:Books are what we need most.  书是容……

  what引导从句用法例句:

  1、主语从句:What is beautiful is not always good.

  美的东西并不总内是好的。

  2、宾语从句:I could hardly believe what he had told me.

  我简直不敢相信他所告诉我的。

  3、表语从句:Books are what we need most.

  书是容我们最需要的东西。

  4、同位语从句:I have no idea what he is doing.

  我不知道他正在做什么。

  what与that从句辨析:

  一、that引导从句时不充当句子成分(定语从句除外),what引导从句要充当句子成分(比如主语、宾语等)。如:

  1、We believe that he is honest. 我们相信他是诚实的。(that在此不充当句子成分)

  2、We believe what he said. 我们相信他说的话。(what在从句中用作动词said的宾语)

  二、在通常情况下,介词(except,but,in等少数介词除外)后面可以接what引导的从句,但不能接that引导的从句,所以下面句子中的what均不可换成that,因为它们所引导的从句是用作介词的`宾语:

  1、He always stands for what is right. 对于正确的东西他总是支持的。

  2、I’ll pay you back for what you did to me. 你对我做的那些事我要进行报复。