1 开头段用来起头的词语

　at first,first of all,in the first place,for one thing...for another thing,now,nowadays,at present,recently,lately,on the one hand..on the other hand,with the development of ....,as is known to us all,it is said that,it is reported that.

2 说明次序关系的词语

first,second,third,finally,firstly,secondly,thirdly,eventually,at last,furthermore,above all,moreover,afterwards,what's more,what's worse.

3 表示时间顺序的词语

before,after that,now,next,as soon as, not ....until,then,just then,later,until,since,ever since,from then on,while,meanwhile,hardly.... when(倒装）,no sooner ...than（倒装).

4 表示空间关系的词语

　between,beside,beyond,across,over,at,from...to,outside,inside,above,against,around,at the bottom,behind,below,close to,in the center of,in the distance,in the middle of,nearby,next to ,on the opposite side,on the top of.

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...

9表示条件和假设的词语

　 if,if only,unless,assuming that,provided that,in case,supposing,given...

10表示赞成的词语

　 there is no doubt that,admittedly,doubtless,undoubtedly,it is certain that,certainly,surely,naturally,stand by,in favour of,i grant you that.

11表示举例的词语

　 as follows,a case in point,for instance,for example,including,to illustrate,namely,such as,...included,incorporate.

12表示总结的词语

　to summarize,to sum up,draw a conclusion that,in summary,in conclusion,thus,therefore,all in all,in brief,briefly,on the whole,in all,in short,in a word,in terms,as i have said,as has been noted.