(1)原因、结果:表示某一事物发生的原因。表示原因的连词写在表示原因的句子内,结果连词用来连接某一事物所引起的结果。表达原因、结果的常用词或词组有:because,since,as,due to the fact that,so,therefore,thus,hence,accordingly,consequently,as a result, as a consequence,now that,in that等。
(2)转折、让步:它表示后一种观点或事实与前一种观点或事实相比有些出乎意料。常用的词或词组有:however,vet,but,anyhow,anyway,nevertheless,in spite of,however, nevertheless, nonetheless, still, though, yet, in spite of, at any rate, in any case, whoever, whatever 等。
(3)比较、对比:比较关系表示意义上的相似关系;对比关系表示意义上的不同或相反。表达比较、对比的常见词和词组有:in comparison,by comparison,like,as,just as,in contrast,by contrast,conversely,oppositely,on the contrary,instead of,rather than等。
(4)列举:指叙述一系列相关的事实、观点等。表示列举逻辑关系的可以是单词,也可以是词组,常见的有:first(ly),second(ly),third(ly)…;first,next,then,last:one,two,three…;for one thing,for another thing…in the first place, in the second place…; for one thing, …;to begin with, to conclude… 等。