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2019北京高三二模诊断英语表语从句!英语是注重积累的学科,大家一定要认真积累哦!表语从句还是很容易出的,阅读理解里面可能会给大家绕迷糊了,大家一定要弄清楚才能真正理解,下面看看小编为大家准备较新的2019北京高三二模诊断英语表语从句内容,希望对大家的进步有所帮助。
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2019北京高三二模诊断英语表语从句(一)
表语从句放在连系动词之后,充当复合句中的表语。
A.可接表语从句的连系动词
可接表语从句的连系动词有be, look, seem, sound, appear等。
China is no longer what she used to be. 今日的中国不再是过去的中国了。
The question remains whether they will be able to help us. 问题还是他们能否帮我们。
Itappears that he has a taste for music.看来他对音乐有一定的鉴赏力.
At that time, it seemed as if I couldn' t think of the right word anyhow. 当时,我似乎怎么也想不出一个恰当的字眼来。
B.as, as ifthough引导的表语从句
He looked just as he had looked ten years before. 他看起来还与十年前一样。
It sounds as ifsomeone is knocking at the door. 听起来好像有人在敲门。
C.because, why引导的表语从句
I think it is because you are talking too much. 我想这是因为你话说得太多。
That's because he didn't understand me. 那是因为他没有理解我。
2019北京高三二模诊断英语表语从句(二)
表语:说明主语的性质、特征、状态或身份,说明主语是什么或者怎么样。总之表语是对主语的解释和说明,是主语具体化,并且常与连系动词一起使用。
表语从句:在复合句中作表语的从句, 就叫做表语从句。表语从句一般放在系动词之后,结构是“主语+系动词+表语从句”。
★连系动词:be动词、表示持续的系动词(keep, remain, stay)、感官动词feel(摸起来,感觉) , smell(闻起来) , sound(听起来) , taste(尝起来,吃起来) 等、表示变化的系动词(become, grow, turn, fall, get, go,)、表终止的系动词prove, turn out(结果是,证明是)、seem, appear(看起来……)
连系动词通常不用于被动语态和进行时态中。
He has become what he wanted to be ten years ago.
他已经成为了他10年前想成为的样子。
His suggestion is that we should stay calm.
他的建议是,我们应该保持冷静。
1.表语从句的引导词
①从属连词
that / whether /as if /as though/as/because
(1) that引导表语从句本身没有词义,在句中只起连接作用,不充当句子成分,一般不能省略。
That fact is that more than seventy percent of the earth’s surface is covered by water.
连接词that一般不能省略,但当主句中含动词do的某种形式时,that可以省略。
What I want to do is (that) I can go up to him and thank him. 我想做的事是走到身边去感谢他。
(2) whether引导表语从句表示“是否”,但不充当句子的成分。
The question is whether we can finish our work by tomorrow evening.
if 与whether均意为“是否”,但引导表语从句时,只能用whether, 不能用if。
(3)as if/though“好像”,引导表语从句时要注意语态。
如果句中的情况与事实不相符,从句多用虚拟语气。如果从句表示与现在事实相反,谓语动词用一般过去式;如果从句表示与过去事实相反时,谓语动词要用“had + 过去分词 ”,如果从句表示将来的可能性不大,用would (might ,could )+动词原形。
Li Lei is now in a new jacket. He looks as if he were an American boy. (现在事实相反)
The girl is giving us a vivid description of the moon. It seems as if she had been to the moon many times. (与过去事实相反)
It looks as if it might rain. (与将来事实相反)
但是,如果as if/though引导的表语从句所表示的与事实相符,从句则用陈述语气。
The clouds are gathering. It looks as if is going to rain.
(4) as引导表语从句
He looked just as he had looked ten years before.
他看起来还与十年前一样。
(5) because引导表语从句
常用结构:This/That/It is/was because...
That is because I don’t like Chinese.
2019北京高三二模诊断英语表语从句(三)
1. 定义:
用作表语的从句叫做表语从句。
2. 构成:
关联词+简单句
3. 引导表语从句的关联词的种类:
(1) 从属连词that。如: The trouble is that I have lost his address. 麻烦是我把他的地址丢了。
(2) 从属连词whether, as, as if。如: He looked just as he had looked ten years before. 他看起来还与十年前一样。 The question is whether they will be able to help us. 问题是他们是否能帮我们。
注:
从属连词if一般不用来引导表语从句,但as if却可引导表语从句,如: All this was over twenty years ago, but it's as if it was only yesterday. 这都是20多年前的事了,但宛如昨天一样。 能跟表语从句的谓语动词一般为系动词be, seem, look等。如: It looked as if it was going to rain. 看起来天要下雨了。 (3)连接代词who, whom, whose, what, which, whoever, whatever, whichever 连接副词 where, when, how, why。 如:The problem is who we can get to replace her. 问题是我们能找到谁去替换她呢。 The question is how he did it. 问题是他是如何做此事的。 That was what she did this morning on reaching the attic. 那就是她今晨上了阁楼干的。
解释:
1. 连词because可引导表语从句。如: I think it is because you are doing too much. 我想这是因为你做得太多。 2. 在一些表示“建议、劝说、命令”的名词后面的表语从句中,谓语动词用虚拟语气。should+动词原形表示,should可省略。如: My suggestion is that we (should) start early tomorrow. 我的建议是我们明天一早就出发。
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