内容正文:
秘笈08 名词从句
考点1 主语从句
主语从句是在复合句中担任主语的句子。其特点有:
(1)引导词:
从属连词 that, whether;
连接代词 who, what, which;
whoever, whatever, whichever;
连接副词 when, where, how和why。
(2)语序:陈述句语序
(3)在主语从句中只能用whether,不能用if
That he will win the match is certain.
It is certain that he will win the match.
1. 一般来说主语从句都是放在句首,但有时为了使句子保持平衡,避免"头重脚轻",常用it 作形式主语,从
而把主语从句放后面。常以it作形式主语的句型有:
①It is+形容词+that...
☞It is certain that she will do well in her exam.
毫无疑问她考试成绩会很好。
②It is+名词词组(no wonder,an honour,a good thing,a pity,no surprise,common knowledge,a surprise,
a fact,etc.)+that...
☞It’s a pity that we can’t go.
很遗憾我们不能去。
③It is+过去分词(said,reported,thought,expected,decided,announced,arranged,etc.)+that...
☞It has been suggested that much should be done to prevent the river from being polluted.
有人建议应做更多的工作阻止河流遭受污染。
④It appears/seems that...|It happens that...|It occurred to me that...|It turned out that...
☞It turned out that nobody remembered the address.
结果发现没人记得这地址。
⑤It doesn’t matter that...|It makes no difference that...
☞It doesn’t matter whether she will come or not.
她是否来这无关紧要。
2. 当that引导的主语从句出现在疑问句中时,要以it作形式主语,而把主语从句后置。
☞Does it matter much that they will not come tomorrow?
他们明天不来很要紧吗?
1. (2018 • 北京)Without his support, we wouldn’t be _________ we are now.
A. how B. when C. where D. why
2.(2017·北京卷·单项填空) Every year, ________ makes the most beautiful kite will win a prize in the Kite
Festival.
A. whatever B. whoever C. whomever D. whichever
【归纳总结】
主语从句的规律
规律一、主语从句一律用陈述语序,即主语在前,谓语在后。
例1.When will he come is not known.
正:When he will come is not known.
规律二、连词that 在从句中无实际意义,但不能省略。
例2. He will not come to the meeting this evening is true.
正:That he will not come to the meeting this evening is true.
规律三、whether 可以引导主语从句,放在句首,但if不能
例3. If the meeting will be put off has not been decided yet.
正: Whether the meeting will be put off has not been decided yet.
规律四、主语从句的谓语动词多用单数第三人称形式。
例4. When he will come are a puzz