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> 高中英语 > 高中英语教材 > 课本中不会教你的 >  第624课

课本中不会教你的[S]624 so that,such…that和so…as to

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2019年02月17日

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624 so that,such…that和so…as to

① so that既可以引导目的状语从句,也可以引导结果状语从句,但有区别。

如果引导目的状语从句,so that意为“以便,这样,为了,目的是”,从句中的谓语应该有may/might,can/could,will,would,should这类情态动词,表示“可能,会”等义。

She studies hard so that she may pass the exam. 她努力学习以便能通过考试。

We planted lots of trees in the campus so that our school (should)be beautified. 我们在校园里种了许多树,以便美化学校。

② so that引导目的状语从句,可用in order that代替或改用不定式in order to,so as to。

I sat in the first row in order that/so that I might hear clearly. 我坐在第一排,以便听得清楚。(=in order to hear,so as to hear)

She bought a villa in the suburb in order that/so that she could spend her weekend there. 她在乡间买了一幢别墅,以便去那里度周末。(=in order to spend,so as to spend)

③ so that引导目的状语从句,可以放在句首。

So that she should arrive there on time,she set out in the early morning. 为了能按时到达那儿,她一大清早就动身了。

So that they shouldn't fail,they were fully prepared. 他们做了充分准备,以防失败。

④ so that引导目的状语从句,表示主句主语的主观愿望。

He drove fast so that he might be there in half a day. 他车开得很快,以便能在半天时间到达那儿。

⑤ so that引导目的状语从句时,有时可省略so。

The policemen cleared the mountain of the robbers (so)that people might live a peaceful life. 警察清除了山中的强盗,以便人们过上和平生活。

⑥ so that如果引导结果状语从句,意为“结果,以至于”,前面常用逗号同主句分开。从句中通常不用情态动词,表示实际的结果怎样。

He came late,so that he missed the train. 他来晚了,没有赶上火车。

She was ill,so that she was unable to go to work. 她病了,不能上班了。

⑦ so that引导结果状语从句时,so可以提到形容词、副词或分词前。

She was so worried that she couldn't eat or sleep. 她忧心忡忡,吃不下,睡不着。

He swam so fast that none of us could keep up with him. 他游得很快,我们谁也跟不上他。

⑧ so that引导结果状语从句时,有时可用too…to或enough…to改写。

他跑得很快,逮住了那个小偷。

He ran so quickly that he caught the thief.

I was so tired that I couldn't go any further. 我太累了,一点也走不动了。

I was too tired to go any further.

⑨ so that引导结果状语从句时,从句表示的是主句行为的结果,而非主语的愿望。

He was disappointed so that he meant to give up the plan. 他很失望,打算放弃自己的计划。

⑩ so that引导结果状语从句时,有时可省略that。

He studied hard so (that) he passed the entrance examination. 他刻苦学习,通过了入学考试。

提示

结果状语从句如果表示“可能的结果”,要用may,如果表示“必然的结果”,要用must。

He is careless in his work so that he may make mistakes. 他工作不细心,可能会出错。

He is careless in his work so that he must make mistakes. 他工作不细心,必然会出错。

⑪ so…that句型中的that通常只能引导结果状语从句,意为“如此……以至于”。

He was so ill that he had to go to the doctor. 他病得很重,不得不去看医生。

She spoke so fast that we couldn't follow her. 她说得太快,我们跟不上。

The moon was so bright that the flowers were bright as by day. 月光如此的明亮,以至于看得见鲜花怒放,犹如在白天一样。

I am so busy these days that I have no time to take a walk. 我这些天非常忙,连散步的时间都没有。

⑫ such…that结构不同于so…that结构。so是副词,修饰形容词、副词、动词,such是形容词,修饰名词,该名词前还可有别的修饰语。值得注意的是,such不能同many和much连用,不可说such many students,such much water,应说so many students,so much water。

注意比较下面两个结构:

such a fine view (such修饰a fine view)

so fine a view (so修饰fine)

提示

such 可以修饰单数名词、复数名词(such good books)和不可数名词(such cool water)。但除so many+复数名词和so much+不可数名词结构外,“so+形容词”之后接的词只能是单数可数名词或不可数名词,不能是复数名词,其结构为:so+形容词+a/an+单数名词。

so good novels

such good novels

so great progress

such great progress

⑬ such…that既可以表示程度,也可以表示结果。such…that引导结果状语从句时,有时可改为such…as to结构。

I was such a cold day that we all kept indoors. 那天非常寒冷,我们都闭门不出。(结果)

They were not such fools that they believed him. (程度)

They were not such fools as to believe him. 他们不至于傻到相信他。

⑭ so…as to+动词原形可以表示结果,意为“如此……以至于,那样……以至于”,也可以表示目的,意为“那样……以便”。

He is so strong as to move the big stone. 他那样强壮,能够搬动这块大石头。(结果)

He wouldn't be so mean as to do such a thing. 他不会小气到做出这样的事。

Is she so naive as to believe your story?她会天真到相信你的话吗?

提示

如果so…as to所在句中的主语和其后不定式的逻辑主语为同一人或物,可同so…that句型换用,表示结果。

He got up so early as to catch the train. 他起得早,赶上了火车。

He got up so early that he caught the train.


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