因为在托福写作的考试里，若可以更加恰当的使用连接词，那么会让文章的层次清楚，表达的意思更清楚。下面介绍了托福写作部分常用连词有哪些的内容。
　　托福写作部分常用连词汇总如下：
　　1. However
　　1)We thought the figures were correct. However, we have now discovered some errors.我们原以为这些数据正确，但是现在才发现了其中的一些错误。
　　2)However, he smothered, as best he was able, these feelings.但是它其所能抑制住了这些感情。
　　3)If, however, you are an extrovert you are quite likely to enjoy it.但是若你是一个性格外向的人，你很可能会喜欢它。
　　4)It was, however, a little disappointing.不过，这有点儿令人失望。
　　2. Nonetheless
　　1) The book is too long but, nonetheless, informative and entertaining.这本书篇幅太长，但是很有知识性和趣味性。
　　2) The problems are not serious. Nonetheless, we shall need to tackle them soon.问题不严重， 但大家还必须要尽快的处理。
　　3) Nonetheless, it contains an element of truth.然而它也有些道理。
　　3. Nevertheless
　　1) He was very tired, nevertheless he kept working.他累得很，然而仍继续工作。
　　2) There is little chance that we will succeed in changing the law. Nevertheless, it is important that we try.我们基本上没有可能改变法律。不过，重要的是我们努力争取。
　　3) Nevertheless, they deserve notice and respect.然而，他们应该受到和尊敬。
　　4. By comparison
　　1) He was mortified by comparisons between his classmates’ good marks and his own.拿自己的成绩与同学们的优异成绩进行比较他感到羞愧。
　　2) By comparison, expenditure on education increased last year.相比之下，去年教育经费增加了。
　　5. By contrast
　　1) By contrast, she was much more outspoken.对比起来，她坦率得多。
　　2) When you look at their new system, ours seems very old-fashioned by contrast.看看他们的新系统，我们的相比之下会显得太过时了。
　　6. Therefore
　　1) He is young and therefore easily pervertible.他年轻，因而容易变坏。
　　2) All sincere opinions should therefore be respected.所以所有切诚恳的意见都应该收到尊重。
　　3) He is highly strung, and therefore, subject to heart attacks.他神经高度紧张，因此相当的容易发心脏病。
　　4) Therefore energy is now not a peripheral but a central issue in the economy.所以能源在现时经济中并非枝节问题而是一个中心问题。
　　5) We have a growing population and therefore we need more and more food.我们的人口越来越多，因此我们需要越来越多的食物。