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名词性从句与定语从句有什么区别

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解决时间 2021-05-18 15:30
  • 提问者网友:杀手的诗
  • 2021-05-17 19:57

简单一点,但看了会懂!!

最佳答案
  • 五星知识达人网友:一袍清酒付
  • 2021-05-17 20:51
名词性从句包括宾语从句,表语从句,同位语从句,主语从句。定语从句不属于名词性从句。


名词性从句包括:主语从句、宾语从句、表语从句和同位语从句,多由连词that,wh-疑问词或由what,whatever等关系代词引导。

1.主语从句

1)主语从句在句子中充当主语,句子的谓语动词用第三人称单数。如:

What is happening outside does not concern us.外面发生的事与我们无关。

2)主语从句前的that不能省略,仅起连接作用,有时为了保持句子平衡,that从句后置,而由it作形式主语。如:

It is estimated that a round-trip to Mars would take more than a year.据估计,飞到火星来回的时间要超过一年。

2.宾语从句在句子中充当宾语。如:

I don't know where the sound came from.我不知道声音是从哪里来的。

Don't be satisfied with what you have achieved.不要满足于你已取得的成绩。

3.当从句放在系动词be,look,remain,seem等后,即构成表语从句。如:

The trouble is that I have lost his address.麻烦的是我弄丢了他的地址。

It seems that as if it is going to snow.看起来天要下雪了。

4.同位语从句

1)同位语从句是对与之同位的名词中心词作进一步解释。能接同位语从句的常见名词有:idea, fact, news, belief, hope, evidence, opinion, problem, truth, answer, proposal, theory, decision, discovery, problem, thought, certainty, likelihood, on condition that, on the ground, with the exception, in spite of the fact, on the pretence等。

The news that he has passed the examination is exciting.他通过考试的消息令人振奋。

I lent her the book on condition that she would return it before Sunday.我把书借给了她,条件是她在星期天之前还给我。

2)同位语从句与定语从句的区别在于:定语从句是对先行词加以修饰、限制,而同位语从句是为了说明中心词的具体内容;that在定语从句中充当成分,为关系代词,而在同位语从句中不作任何成分,仅起连词作用。如:

The fact that we talked about is very important.我们讨论的情况非常重要。(定语从句)

The fact that he succeeded in the experiment pleased everybody.他实验成功的事实使每个人都很高兴。(同位语从句)
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