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高三英语语法和惯用法:what 与that引导名词遥从句时的区别

2016-03-02 00:00:00浏览:
高三英语语法和惯用法:what 与that引导名词遥从句时的区别  两者均可引导主语、表语、宾语从句,区别是 what 可在从句中用作主语、宾语或表语,意为什么或所的,而 that 仅起连接作用,本身没有实际意义,在从句中也不充当任何句子成分(引导宾语从句时通常可以省略)。
如:   He doesnt know what she likes.
他不知道她喜欢什么。
  What you say is quite right.
你所说的相当正确。
  I believe (that) he will come to see us.
我相信他会来看我们的。
  Its a pity (that) he didnt finish college.
真遗憾他大学没毕业。
  另外,that 可引导同位语从句,但 what 通常不用于引导同位语从句。
如:   I had no idea that you were here.
我不知道你在这儿。