1、概念
1)目的状语从句:其连词有 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),in case(以防,万一)
2)注:目的状语从句中常含有can,could,may,might,should等情态动词
2、例句
1)so that(以便)引导
The teacher asked me to open the door (so that) others could come into.(目的)
I’ll hold my speed (so that) you can catch up with me. (目的)
2)in order that(为了;以便)引导=so that
Michael raised his voice (so that) /in order that he could be heard by everyone in the hall.
I opened the window (so that)/in order that fresh air might come in.
3)for fear that(生怕;以免)引导=lest
He wrote it down for fear that(lest) he should forget it
I got up earlier than usual for fear that(lest) I might be late for today's class.
4)in case (以防,万一)引导
Better take more clothes in case the weather is cold.
5)that(以便)引导=省略so的so that
Say it louder(so)that everyone can hear you.
3、连词及其后面的从句作状语
即连词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),in case(以防,万一)与其后的句子,共同组成目的状语。
参考资料:http://baike.baidu.com/view/976869.htm