2013年12月英语六级基础语法解析之状语从句（2）

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2013年12月英语六级基础语法解析之状语从句（2）
　　3. 目的状语从句
　　可以由that, so that, in order that, lest, for fear that, in case等词引导；
　　lest：以防；从句中的谓语动词必须用should+动词原形；
　　eg: He wrote the name down for fear that(lest) he should forget it.
　　He took the umbrella with him lest it should rain.
　　in case：以防；与lest不同，从句里的时态不做特殊变化；
　　eg：Take the umbrella with you in case it rains.
　　for feat that：和lest保持一致；
　　eg：A variety of activities should be organized so that participants can remain active as long as they want and then go on to something else without feeling guilty and without letting the other participants down.
　　let…down…：让……感到气馁；
　　4. 结果状语从句
　　结果状语从句常由so… that 或 such…that引导；so保留，that可以省略；如此……以至于……；
　　eg：He didn't abide by the contract so that he was fined.
　　He was so excited that he couldn't fall asleep.
　　He made such an inspiring speech that everybody got excited.
　　比较：so和 such
　　（1）so：so +形容词、副词+that；so+形容词+a/an+名词+that；
　　eg：The wind was so strong that we could hardly move forward.
　　He ran so fast that I couldn't catch up with him.
　　It was so hot a day that crops wilted.
　　He is so lovely a boy that everyone loves him.
　　（2）such：such+a/an+形容词+名词+that
　　eg：It was such a hot day that crops wilted.
　　He is such a lovely boy that everyone loves him.
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