英语句子能作主语吗,如何使用

分类:中学教育 时间:2020-10-30

1.that引导的从句,无意义,不担当句子成分,不省略

(1)It +v+ that从句

(2)It +系动词+表语+that 从句

(3)It is strange that he didn't come here yesterday:奇怪的是,昨天他没来这里。

当形容词为important necessary strange /that should +动词原形,It is strange that he should (表示吃惊)pass the exam:奇怪的是,他可以通过考试

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2.It is +n +that 从句

如:What a pity it is that you didn't come to this party:真遗憾你没来这个聚会。当名词为a pity/a shame /a surprise +should +v原形(表示竟然)

3.It is +过去分词+that 从句

如:It is reported that a car accident happened there:据报道,发生一场车祸

4.It +动词原形seem/appear /turn out/+that

如:It seems that it will rain:看来要下雨

(1)It strikes sb. that 从句 :表示“某人突然想…”

如:It occurs to sb. that从句:表示“某人发生了…”

(2)为强调从句意义,that从句常放在句首

如:

That he will come here is of great help:他来这儿是很有帮助的

That you failed the exam will…:你考试失败了会…

(3)连接代词 who /whom/whose/what/which/担当从句成分,有意义,不省略

what +sb. + clause

如:What we will do next is not decided.我们接下来要做的还没有决定。

what+修饰词 意为什么样的……

如:What color you like is none of my business.你喜欢什么颜色不属于我的事。

what ……人,……事,……物

如:What he said at the meeting surprised everyone present.他在会议上说的令人惊讶。


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