高中英语
知识点
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复习
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高中英语知识点复习
在高中英语的复习过程中，我们要掌握好重要的知识
点。下面是学习啦小编收集整理的高中英语知识点复习以供
大家学习。
1. except+that从句
He has not changed at all except that he is no longer so talkative. 他一点也没变，只是不像以前那样爱说话了。
She remembered nothing about him except that his hair was black. 她对他什么都不记得，只记得他的头发是
黑的。
This suit fits me well except that the trousers ale too long. 除了裤子太长，这套衣服我穿很合适。
. except+if从句
I’ll take the job except if the pay is too low. 除非工资太低，否则我会接受这一工作的。
. except+what从句
He has nothing now except what we owe him. 除了
我们欠他的钱外，他现在是一无所有了。
I know nothing about it except what I read in the paper. 除了我从报上看到的东西外，我对此一无所知。
. except+when从句
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I'm as good a cook as she is except when it comes to (making) pastry. 我做饭做得和她一样好, 就是不会做
油酥馅饼。
The old lady never spoke to anyone except when someone came to visit her. 老太太从来不跟任何人说话，
除非有人来探望她。
. except+where从句
My papers seem to be everywhere except where they ought to be. 我的文件似乎完全不在它们应该放置的地方。
. except+why从句
I understand everything except why she killed him. 我一切都明白，只是不理解她为什么把他杀死了。
He told his parents everything except why he needed so much money. 他把一切都告诉他父母了，只是没有告诉
他们他为什么要那么多钱。
在许多情况下，当语义上需要用一个较复杂的that从
句用主语时，若直接将其置于句首位置，则会显得“头轻脚
重”。这时，我们通常采用的办法便是使用形式主语it来改
变句子结构。如:
That he had no girl friends worried his parents a lot.= It worried his parents a lot that he had no girl
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friends. 他没有女朋友，这件事使他父母非常不安。
That he has fully recovered makes me feel good.=It makes me feel good that he has fully recovered. 他已
痊愈，真令我高兴。
That he had not said anything surprised everybody.=It surprised everybody that he had not said anything. 他一言不发，这使大家很吃惊。
用形式主语改变句子结构是许多同学都可能想得到的
方式，属通常思维，乃常规表达。但如果借助the fact这
一辅助手段，按以下方式改写句子，则会给人以耳目一新的
感觉，许多阅卷老师会将其划入“高级结构”的范畴。如:
The fact that he had no girl friends worried his parents a lot.
The fact that he has fully recovered makes me feel good.
The fact that he had not said anything surprised everybody.
在句子中起名词作用的句子叫名词性从句 (Noun
Clauses)。 名词性从句的功能相当于名词词组， 它在复合
句中能担任主语、宾语、表语、同位语、介词宾语等，因此
根据它在句中不同的语法功能，名词性从句又可分别称为主
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语从句、宾语从句、表语从句和同位语从句。
分类
引导名词性从句的连接词可分为三类:
连词(5个):that (本身无意义。引导单一的宾语从句
时that常可省略，但引导主语从句、表语从句、同位语从
句时that通常不被省略)
whether,if (均表示“是否”表明从句内容的不确定性)
as if ,as though (均表示“好像”，“似乎”)
以上在从句中均不充当任何成分
连接代词(10个):what, whatever, who, whoever, whom, whomever, whose,whosever, which, whichever
连接副词(7个):when, where, how, why, whenever, wherever, however
不可省略的连词:
1. 介词后的连词。
. 引导主语从句和同位语从句的连词不可省略。
That she was chosen made us very happy.
We heard the news that our team had won.
. 在从句中做成分的连词。
比较
whether与if 均为"是否"的意思。 但在下列情况下，
只可用whether:
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1. whether引导主语从句并在句首。
eg:Whether he can come to the party on time depends
on the traffic.
. 引导表语从句。
eg:The question is whether we can get in touch with
her.
. whether从句作介词宾语。
eg:I am thinking about whether I should quit my
present job.
.if与whether都可以与or not 连用，但后面紧跟or not
时只能用whether。
We didn't know whether or not she was ready.(此
时只能用whether)
I wonder whether/if the news is true or not.(此
时则二者都可以用)
.后面直接跟动词不定式时。
.引导同位语从句时。
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