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目的状语从句知识点归纳

古月月 2016-12-09 08:51
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一、我们看看在状语从句中很重要的目的状语从句,目的状语从句的定义是:用来说明主句中谓语动词发生的目的的从句叫做目的状语从句,从句部分是用以补充说明主句中谓语动词发生的目的。用来引导目的状语的从句的有:that(以便), so that(以便), in order that(为了;以便),Lest(免得;唯恐), for fear that(生怕;以免)等词引导;例如:
1. You must speak louder so that /in order that you can be heard by all.
大声说,以便大家都能听到你的声音。
2.They develop their skills so that they can do things better and better.
为了把事情做得更好,他们提高了他们的技术。
3.I've written it down in order not to forget.
为了不会忘记,我把它写了下来。 
4.He shouted and waved so as to be noticed.
为了引起注意,他一边喊着一边挥舞着。
5. He wrote the name down for fear that(lest) he should forget it.
为了防止忘记,他把这些名字都写下来了。
6. Better take more clothes in case the weather is cold.
以防天气变冷,最好多带点衣服。
7.Shut the window for fear that it may rain.
把窗子关上以防下雨。

二、学习目的状语从句应注意以下两点:
1. 目的状语从句中常含有can,could,may,might,should等情态动词。 例如:
I got up early so that I could catch the first bus.
我起得很早,目的是为了赶上头班公共汽车。
2. 在口语中so可以引导目的状语从句。例如:
We'll sit nearer the front so we can hear better.
我们坐的靠前一点,因此,我们听得清楚一点。
 

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