5表示因果关系的词语
as a result of,result in,as a result,accordingly,because,because of,due to ,owing to, now that,in that,since,for,so that,as a consequence of,consequently,hence,the reason why....is that...,for that\this reason,thus,so,therefore,in this\that way.on account of.
6表示逻辑关系的词语
or else,otherwise,if so,under no circumstances.
7表示比较或对比让步和转折的词语
like,unlike,similarly,in the same way\manner,in comprison with,compared to ..,in contrast to ,instead,on the contrary,while,though,even though\if,although,in spite of,despite,whereas,but yet,however,nevertheless,notwithstanding,no matter what\how\when\where.
8表示强调递进的词语
of course,all in all,indeed,in addition,additionally,apart from,besides,as well,moreover,furthermore,that is to say,in other words,in fact,as a matter of fact,once again,especially,in particular,perhaps most important...