考研英語四級重點語法知識之目的狀語從句

學習語法首先要學習句子，因為句子是人類語言的核心，通過對句子的分析理解，可以更好的掌握語法。下面是小編整理的考研英語四級重點語法知識之目的狀語從句，希望對你的語法學習有所幫助！

　　

　　可以由that，so that，in order that，lest，for fear that，in case等詞引導;

　　lest：以防，從句中的謂語動詞必須用should+動詞原形;

　　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，與lest不同，從句里的時態(tài)不做特殊變化;

　　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…：讓……感到氣餒。