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.