3.解释说明
now, in addition, for example, for instance, in this case, moreover furthermore, in fact, actually
4.转折
but, however, while, though, or, otherwise, on the contrary, on the other hand, in contrast, despite, in spite of, even though, except （for）, instead, of course, after all,
连词与副词的区别
只有连接词（连词）才能连接句子（除了句子， 它们还能连接单词和短语）。
比如，
--My brother and I went shopping yesterday. (连接单 词brother以及I)
--Working hard and playing happily are both important to me. (连接短语working hard以及playing happily)
7.条件
as （so） long as, on condition that, if, unless
8.让步
though, although, as, even if, even though, whether …or…, however, whoever, whatever, whichever, wherever, whenever, no matter how （who, what, which, where, when, whom）
连接词的类型(链接句子)
1.罗列，增加 2.时间顺序 3.解释说明 4.转折 5.并列 6.因果 7.条件 8.让步 9.举例 10.比较 11.目的 12.强调 13.归纳，总结
