结果状语从句
结果状语从句就是在复合句中表示主句动作所导致结果的状语从句。
1. 用so that引导：so that引导结果状语从句时的意思是“结果”“所以”。
Write out this word ten times so that you learn how to spell it.
2. 用so…that引导：so…that的意思是“如此……以至于……”，其中的 so 后接形容词或副词。如：
He was so angry that he couldn’t speak. 他气得话都说不出来。
3. 用such…that引导：such…that…的意思是“如此……以至于……”，其中的 such 后接名词(名词前通常有形容词修饰)。
He is such a clever boy that we all like him.
The air pollution is so serious / severe that we couldn’t ignore this issue.
目的状语从句
目的状语从句就是在复合句中表示主句动作发生目的的状语从句。
1. 用in order that引导：in order that的意思是“为了”。如：
He studied hard in order that he could pass the exam.
该结构有时可与 in order to 转换。
He is working hard in order to pass the examination.=He is working hard in order that he can pass the examination.
2. 用so that引导：so that此时的意思是“以便”。
She burned the letters so that her husband would never read them.
3. 用in case引导：in case此时的意思是“以防”“以备”。如：
It may rain; you’d better take an umbrella (just) in case it does.
Important positions in organization or companies should be open to the old or the young?
公司的重要岗位应对年长的人开放，他们比较谨慎(cautious / prudent)，以免像年轻人那样冲突(impulsively)处事。
The senior / managerial positions should be open to the old because they are more cautious, in case they deal with problems / issues impulsively like the young.
