自考英语复习资料:英语语法连词详解
连接词、词组、句子或从句的词,叫做连词。连词主要可分为两类,即并列连词和从属连词。 $lesson$
1,并列连词
按词的意义来分,并列连词可分为:
1)表示意义转折的并列连词;
2)表示因果关系的并列连词;
3)表示选择的并列连词;
4)其他并列连词。
1)表示意义转折的并列连词
这类连词有:but,while,yet,however,nevertheless等。
The price is very reasonable,but,in order to encourage business,we allow you a discount of 2%。 这价格十分合理,为了促进业务,我方愿给2%折扣。
Some people waste food while other haven't enough. 有些人浪费食物,而另外一些 人的食物却不够。
She is vain and foolish,and yet people like her. 她自负愚蠢,然而人们喜欢她。
2)表示因果关系的并列连词
这类连词有:for,so,therefore,hence等。转自环 球 网 校edu24ol.com
It must be snowing,for it is so bright outside. 天一定在下雪,因为外面这么亮。
It rained;therefore the game was called off. 天下雨,所以比赛被取消了。
The word is an uncountable noun and is used in a general sense,hence (therefore) it takes no article.
这个词是不可数名词,又用于一般意义,所以不要加冠词。
3)表示选择的并列连词
这类连词有:or,either……or,neither……nor,whether……or.
Please either come in or go out:don't stand there in the doorway. 请你要么进来,要 么出去,不要站在门口。
Whether you like it or not,you will have to do it 你必须做这件事,不管你喜欢还 是不喜欢。
4)其他并列连词
这类连词有:and,as well as,not only……but also,both……and等。
This is the rock-bottom price and any further reduction is out of the question. 本价格为 最低价,不能再降。
Hawks eat not only chickens but also field mice. 鹰不仅吃小鸡也吃田鼠。
It sold both precious stones and the better kinds of jewellry. 它出卖珍贵的钻石和上等珠宝。
2.从属连词
从属连词有:when, before, after, as, while, because, if, since, until, unless,
than, that, whether, so that, as soon as, as long as, as if, as though, suppose (that), provided that, in case (that), on condition (that), now that, so……that, such……that等。(用法请参考从句)
He was just preparing to go to town when it began to rain. 他正要准备进城时天突然下起雨来了。
All things are difficult before they are easy. 万事开头难。
When a chemical change takes place, one or more substances are formed. 当化学变化发生时,就形成了一种或多种物质。
Einstein cared hale for money, though he could have been very rich. 虽然爱因斯坦本可以非常富有,但是他对金钱却不感兴趣。
A just cause enjoys abundant support while an unjust cause finds little support. 得道多助,失道寡助。
As he was tired, he took a rest. 由于他累了,他休息了一下。转自环 球 网 校edu24ol.com
A gas becomes hotter if it is compressed. 气体受压缩,温度就升高。
Batteries should be kept in dry place lest electricity should leak away. 电池应置于干燥的地方,以免漏电。
We can know the voltage provided we know both the current and resistance. 只要我们知道电流和电阻,我们就能够求出电压。
On condition that the liquid is cooled still further, it will mm to a solid. 如果把液体进一步冷却,它就会变成固体。
All living things respire as long as they live. 一切生物只要活着都要呼吸。
As the atomic numbers increase, the atomic weights increase. 原子量是随着原子序数的增加而增加。
Electricity has found wide applications since it was discovered. 电自发现以来已得到了广泛的应用。
The temperature in the sun is so high that nothing can exist in solid state. 太阳内的温度是如此之高,以致没有东西能以固态存在。
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