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专题05 重点语法复习:表语从句
表语从句放在连系动词之后,充当复合句中的表语。表语从句就是指一个句子作为表语,说明主语是什么或者怎么样。
一般结构为“主语+系动词+表语从句”。可接表语从句的连系动词有be,look,remain,seem等。
1. 从属连词that引导的表语从句
从属连词that的用法:①无意义;②不充当成分③不可省略
The reason for his absence is that he hasn't been informed.
他缺席的原因是他没接到通知。
2. 从属连词whether引导的表语从句
The point is whether we should lend him the money.
关键在于我们是否应该借钱给他。
3. 连接代词和连接副词引导的表语从句
The problem is who is really fit for the hard job.
问题是谁才真正适合做这份艰苦的工作。
This is what I am interested in.
这就是我所感兴趣的。
4. because,as if/though等引导的表语从句
It's just because he doesn't know her.
这仅仅是因为他不认识她。
Now it seems as though she had known Millie for years.
现在好像她认识米莉已有好多年了似的。
5. why和because引导的表语从句的区别
That's why... 意为“那是……的原因”,强调结果
That's because... 意为“那是因为……”,强调原因
I didn't phone her, and that's why she got angry with me.(强调“没打电话”这一结果)
我没有给她打电话。那就是她对我生气的原因。
I didn't phone her, and that's because I got angry with her.(强调“生气”这一原因)
我没有给她打电话。那是因为我生她的气了。
6. 表语从句中的虚拟语气
在表语从句中,表示间接的命令、要求、请求、建议、决定等,主句中的主语通常是:advice,suggestion,proposal,request,order,idea等,从句谓语形式是“should+动词原形”(should可以省略)。
My advice is that you (should) practise speaking English as often as possible.
我的建议是你应该尽可能经常地练习说英语。
模拟演练
单句语法填空
1.(2023·全国·高二专题练习)________I’m concerned about most is ________ we can collect a huge amount of money in such a short time.
2.(2023秋·山东济宁·高二济宁一中校考期末)The truth is _____________ cholera is a severe disease caused by germs.
3.(2023秋·福建福州·高二福州四中校考期末)Lacking in the spirit of innovation, the small island country remains________it was 5 years ago.
4.(2023秋·全国·高二假期作业)The ground floor of the forest is not all tangled leaves and bushes, like in films, but is actually fairly clear. It is ________ dead leaves turn into food for the trees and other forest life.
5.(2023秋·全国·高二假期作业)What I’m hoping to accomplish is ________ my generation and younger start to reconsider and understand that jazz is not black and white anymore.
6.(2023秋·全国·高二假期作业)My question is _______Einstein was still loved by his friends and neighbours even if he was forgetful.
7.(