五种“为了”

in order to, so as to, to do, in order that, so that都可以表示“为了，以便于”，辨析如下：

（一）in order to do，按照正常逻辑使用即可，无限制，如：

• Putin, the theory goes, is willing to stoke a civil war in order to keep Ukraine from turning to the West. 根据这种理论，普京愿意发动一场内战，以便于组织乌克兰转向西方。 (CNN)
• In order to understand how the human body works, you need to have some knowledge of chemistry. 为了弄清楚人的身体是怎样运作的，你需要具有一些化学知识。(CNN)

（二）so as to do，不用在句首，如：

• Veata and her parents spoke in Khmer, very softly and quickly, so as to prevent me from understanding. 为了防止我听明白，Veata和她的父母说高棉语，又轻又快。 (NEWYORKER)
• She also proposed the development of a Welsh stock exchange so as to provide Welsh businesses with access to capital. 她还建议成立威尔士股票交易所，以便于为威尔士的商业公司提供接触到资本的途径。(BBC)

（三）to do，动词的不定式形式有“为了做……”之意，似乎是最为简洁的结构了。如：

• To see how effective this technique was, the researchers gave it a try themselves. 为了看到这项技术是多么的有效，研究者们自己做了一个实验。（MSN）

（四）in order that，that为引导词，意味着in order that后为从句，如：

• Can we discuss these issues in order that we can actually reflect in a more positive way. 我们能否讨论一下这些问题，以便能够以更积极的方式做出反应？ (BBC)
• “Television is obviously an important income generator in Scottish football, but the fans need to be considered more in order that we can achieve a balance, ” said Lawwell. “电视显然是苏格兰足球的一项重要的收入来源，但是为了取得平衡，球迷需要得到关心。” Lawwell说。(BBC)

（五）so that，that为引导词，意味着so that后为从句，如：

• They were later painted yellow so that they could be seen more easily from a distance. 为了能从远处被很容易地看到，他们后来被漆成了黄色。（BBC）
• They even have nursing rooms so that moms can go in during a break. 为了能让妈妈们在休息时去，他们甚至有哺乳室。（MSN）