常用的关联词有:so that(以便,为了),in order that(为了),lest(以免,以防),in case(以免,以防),for fear(以免,以防),等。如:
We should do our utmost in order that we may be able to over-fulfill the task.
为了超额完成任务,我们应该全力以赴。
You’d better leave your phone number,so that I can call you before I come next time.
你最好将电话号码留给我,以便我下次来之前可以先给你打个电话。
Batteries must be kept in dry places for fear that electricity leak away.
电池应该放在干燥的地方,以免漏电。
注意:在目的状语从句中,我们可以将这些引导目的状语从句的连词so that,in order that,lest,in case,for fear分作为两大部分:表示肯定意思so that,in order that是“为了使……发生”;以及表示否定意思lest,in case,for fear是“为了使……不发生,以免,以防”。另外,在表示否定意思的目的状语从句中,谓语动词往往用“should+动词原形”或“动词原形”两种虚拟句式。如:
He took his umbrella with him lest it rain.他带了雨伞,以防下雨。
I’ll keep a seat for you in case you should change your mind.
我给你留个座,没准你会改变主意。