内容正文:
Grammar explanation for subject clause in college entrance examination
⾼考英语学习资料之⾼考英语语法专项补充-主语从句
主讲教师 Alex 彭
⼀.概念-主语从句: 。
⼆.考点: 1.连词和 的选择 2.主语从句的 3.It做
三.主语从句的引导词
四. 四类引导词引导的主语从句:
1.由 引导的主语从句:引导词that⽆含义,在句中不做成分,不可以省。
E.g. That you will win the medal seems unlikely.你想获得奖牌看起来是不可能的。
2. ⽤ 引导的主语从句:whether, if有含义(是否),在句中不做成分,不可以省。或whether……or not。
(if不能放句⾸) E.g:Whether she is coming or not doesn’t matter too much. 她来不来都⽆关紧要。
3.⽤ 引导的主语从句:在由连接代词who, whose, whom, which, what, whoever, whomever, whichever,
whatever引导的名词性从句中,其连接代词在句中起名词性作⽤,担当⼀定成分.
E.g:What you need is more practice. 你所需要的是更多的训练。 Whichever you choose doesn’t matter.
4.⽤ 引导的主语从句(其连接副词有含义,在句中作状语。)
E.g:Where we should leave it is a problem. When they will come hasn’t been made public. 他们什么时候来还不知道。
五.注意点:
1. 名词性从句的语序都是 语序,且主语从句的谓语动词为 。 2.if 不能 。
3.it 做形式主语,⽽将主语从句放在 (尤其是当谓语较短时)。
E.g:That light travels in straight lines is known to all.光沿直线传播,这是众所周知的事。
=It is known to all that light travels in straight lines.众所周知光沿直线传播。
(当what引导的主语从句表⽰“…的东西”时, 。)
F: It is a book what he wants. T: What he wants is a book. 他想要的是本书。
固定⽤法和译法
(1)It is +名词+从句
It is a fact that… It is good news that … ……
It is a question that … …… It is common knowledge that … ……
类似的名词还有:a pity;a wonder;a good thing; no wonder; surprise等。
E.g:It is a mystery to me how it all happened. 这⼀切是怎么发⽣的是个谜。
It is common knowledge that the whale is not a fish.鲸鱼不是鱼,这是常识。
(2)It is +形容词+从句
It is necessary that …