目的状语从句的基础知识

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的状语从句。

表示目的状语的从句可以由that, so that, in order that, lest, for fear that, in case等词引导;

目的状语从句的谓语常含有may, might, can, could, should, will, would等情态动词。

目的状语从句的用法

目的状语从句是表示行为目的的从句。引导目的状语从句的主要连词有that, so，so that, so?hat, in order that等，从句中常常使用一些情态动词，如can, could, may, might, should等。

A.that, so that，in order that表示为了，以便，一般放在主句之后。

that语气较弱，用的较少，多用so that。

Let's take the front seats that we may se more clearly.

我们坐前排吧，这样我们可以看得更清楚些。

Man does not live that he may eat, but eats that he may live.

人生存不是为了吃饭，而吃饭是为了生存。

They hurried so that they might not miss the train.

他们为了不误火车，才急急忙忙的。

In order that everyone present might hear her clearly, she raised her voice again.

为了使在场的每个人都能听清楚，她再次提高了声音。

注意：

当主从句的主语一致时，so that和in order that引导的目的状语从句可以转换成相对应的动词不定式结构。

We got upearly so that we would arrive in time.

为了能及时赶到，我们起得很早。

They hurried so that they might not miss the train.

→ They hurried so as not to miss the train.

他们为了不误火车，才急急忙忙的。

Betty saved money in order that she could uy a portable computer.

→ Betty saved money in order to buy a portable computer.

贝蒂存钱是为了买一台手提电脑。

B.in case, lest, for fear that

几个短语都表示万一，惟恐，含有否定的意义。

Better take more clothes in case the weather is cold.

最好多带些衣服以防天气会冷。

Take an umbrella in caseit rains.

以防下雨，带把伞。