so that和in order that

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1、在所给句子中,两个短语都可以使用,而且都正确,即：
I hurried _【_so that/in order that_】 I wouldn't be late for class.
句意：我匆匆忙忙是为了我上课不迟到.
2、so that:有两种用法 ——
①【为的是,以便】,引导目的状语从句,此时意义上等同于 in order that.但是,区别在于【in order that】可以【放在句首】,而【so that】则【不能放在句首】.例如：
We started early 【so that/in order that 】we could get the first bus.
【In order that】the workers can work hard,they have been given higher bonus.
2.【 以至于;结果】,引导【结果状语从句】,一般【用逗号与主句隔开】.例如：
They ran to the station,【so that】they caught the train for Beijing in time.
3、so...that,【 以至于;结果】,引导【结果状语从句】.例如：
Li Lei studied【 so 】hard 【that】 he was admitted into Fudan University last year.
4、in order to,so as to
这两个短语都是【以便；为了】,表示目的,但是,他们都是【不定式】形式,不能引导从句.还有,在位置上,【so as to】【不能位于句首】；而【in order to】则【可以放在句首】.
例如：
A large number of college students prefer to working 【in order to/so as to】make money for their education.
【In order to】help great numbers of senior students realise their dreams of going to college,our government have taken lots of measures .