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初中英语知识点总结:目的状语从句

  知识点总结

  顾名思义,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。表示目的状语的从句可以由 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;目的状语从句的谓语常含有may, might, can, could, should, would等情态动词。

  例如:You must speak louder so that /in order that you can be heard by all.

  He wrote the name down for fear that(lest)he should forget it.

  Better take more clothes in case the weather is cold.

  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。

  1、in order that与in order to的区别:

  in order that+从句   in order to+动词原形 (in order to后面加的那个不叫目的状语从句,叫目的状语)例如:

  He got up early in order to take the first bus.

  = He got up early in order that he could take the first bus.(他起床很早是为了赶上第一班 公共汽车)

  目的状语从句的一个特点:由于目的都是未来的行为,所以从句中一般用表示未来可能性时态,比如上面句中的could.当然还可以用will,would,can,等 .

  2、so that既可引导目的状语从句,也可以引导结果状语从句。

  1)其引导结果状语从句时,so that翻译为“以至于……”,经常可以和so/such……that……转换,且从句只能放在主句之后。如:He got up late so that he was late for school. = He got up so late that he was late for school.

  2)其引导目的状语从句时,从句只能放在主句之后,此时可以和in order that换用。如:He got up early so that he could take the first bus. = He got up early in order that he could take the first bus.

  常见考法

  对于目的状语从句的考查,多以单选和完形填空的形式,从连词的意义角度让大家选择连词。

  典型例题:Ann listened carefully _____ she could discover what she needed.

  A. such that B. in order that C. because D. even though

  解析:题干的意思是“为了能够发现自己需要的东西,安认真听讲”。很明显从句表示的是目的。such that本身是错误短语,because 表示原因,even though是“尽管”的意思,不符合题意。

  答案:B

  误区提醒

  如何区别目的状语从句中的so that与结果状语从句中的so that的用法,这是我们需要注意的。目的状语从句的so that是连着的,结果状语从句是分开的,即so…that. so that是目的状语从句,是为了什么什么,有目的的含义。而so…that是结果状语从句,是“如此怎么怎么样结果是什么”。仔细体会一下吧!

  典型例题:I get up so early I can not be late

  A. that B . so that C.such that D.in order

  解析:题干的意思是“我起床如此早以便于我可以不迟到”。从句表示目的,首先排除C,因为such that本身是错误短语,在排除in order,因为它后面不能跟句子;因为句子中有so,所以大家可能选A,如果选它,那句子的意思是“我起床如此早结果我可以不迟到”,显然说不通,所以排除。

  答案: B

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