1.转折关系
although, though, even though, albeit, despite, in spite of, however, but, yet, while, whereas, nevertheless, nonetheless, notwithstanding, whatever
2.对比关系
结构对比关系：not…but…, instead, in contrast, on the contrary, far from…, on the other hand, rather than, more…than…, otherwise, unlike, not so much…as...
特殊含义词对比：paradoxical, paradoxically, ironical, ironically, unexpected, unexpectedly, curious, curiously, surprise, surprisingly, unfortunate, unfortunately, puzzle, shock
时间对比关系：before, until, since, previous, current, recently, now, today, yesterday, later, future, begin, start, origin, create, once, early, formerly, initially, pristine, erstwhile, heretofore, hitherto, no longer
明显对比含义词：contrast,whether,rather than,rather,than,instead
非明显对比含义词：remarkable,typically/uncharacteristic,between A and B
特殊含义词对比：disappointed,paradoxically,actually
3.因果关系
明显因果关系：Because, because of, for, as, since, in that, be due to, as long as, if, when, so, so that, therefore, thereby, as a result, consequently, accordingly, thus, hence
隐含因果关系：given, considering, lead to, result in, give rise to, derive from, result from, on the basis of, represent, be based on, rely on, spring from
Because A, B/ A, because B/ A, so/therefore B
Given/since A, B
Too A to B/ so A that B/ such A that B
-ing/ -ed
4.目的手段关系
in order to, to, for, by, 分词短语, 不定式
A by B
In order to/ to
5. 递进关系
even, indeed, not only…but also…, almost…quite
6.并列复指关系
and, 分号，非转折含义连接词(and, or…)，平行结构，同位语
A, B
A and B