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[职称英语备考指南] 职称英语考试基础知识名词性从句

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  职称英语考试基础知识:名词性从句

  职称英语中名词性从句是在句子中起名词作用的主谓结构,它可以在主从复合句中作主语、宾语、表语、介词的宾语以及同位语。

  1. 主语从句主语从句可以由连词thatwh-疑问词或名词性关系词引导。

  ⑴由连词that引导:从句可以位于句首,但常常用形式主语it替代,从句本身则放在主句后面,如:

  That he will come to the party is certain. It happened that the harvest was bad that year. Is it true that she has never been there?

  通常在口语或非正式文体中,that常可省略,但必须是在用先行词it的情况下,如:

  Its a pity you are leaving.

  ⑵由wh-疑问词引导:从句既可以前置,又可以借助于先行词it后置。如:

  Who cleaned the meeting room is unknown. Its still a question when we shall have our sports meet. It is uncertain whether he will come.注意:在疑问句中,wh-疑问词所引导的从句不能位于句首,如:

  Is it known where she went?

  ⑶主语从句也可由名词性关系词引导,这类从句只能位于句首,如:

  Where she went was Los Angeles. What will bewill be. Whomever you invite will be welcome.

  2. 宾语从句

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