英语写作中常见问题就是如何连接各个句子，使之能够流畅地承上启下，更顺畅地表达出自己的观点。
1)先后次序关系：
atthistime;first;second;atlast;next；previously;simultaneously同时地;eventually；lastbutnotleast；tobeginwith；tostartwith；toendwith；finally；seeing...由于，因为；sincethen；firstofall；afterwards后来;followingthis;preceding先前的;originally最初的ultimate最终的，极限的，根本的
2)因果关系：
because；becauseofthis；beingthat（口语）既然，因为；anotherimportantfactor／reasonof...；since；as；for；inthat...；owingto由于，通常负面；dueto由于；forthereasonthat...；inviewof鉴于，考虑到resultfrom归因于thereasonseemstobeobvious;thereareabout...；forthisreason;asaresultofthis；therefore；...andso...；consequently所以，因此；asaresult；thus这样，如此，因而；hence因此；so；sothat...；inconsequence结果，结果；asaconsequence；accordingly因此，于是，相应地;inevitably不可避免地;undertheseconditionsthereupon因此于是upon迫近
3)转折关系：
but；evenso；however；though；eventhough；independentof；recklessof不顾；despitethat；inspiteofthat；regardlessof不顾;yet...；andyet；butunless.Nonetheless尽管如此
4)并列关系：
and;also；too；aswellas；either...，or...；both...and...
5)(补充)递进关系：
furthermore此外，而且；moreover而且，此外；further进一步地，此外；Inthisway；still；notonly...butalso...；not...but...；inaddition(to)；additionally,muchmoreinteresting,morespecifically更具体地说,next,besides；asfaras...isconcerned至于;moreover此外；inotherwords；
alongthislineofconsideration；on(the)onehand...在一方面，ontheotherhand...；even；asasayinggoes...；inordertodoit...;meanwhile同时；atthesametime；accordingly因此；Inthefirstplace...，inthesecondplace...;equallyimportant;ofevengreaterappeal.
6)比较关系：
similarly;inlikemanner,incomparisonwith；whencomparedwith；comparedwith；wheninfact...;like...；likewise同样地，也；similarlyimportant；apartfrom(doing)...；...ratherthan...，bydoingso；both…and...;inthesameway;notonly...but(also).
7)对照(不同点)：
yet;still;forallofthat;notwithstanding虽然，尽管;rather当然，的确，宁愿，相当;neither...nor;although;though;but;however;somethingisjusttheotherwayaround；yet;conversely相反的；unlike；opposedto;asopposedtothis与不同；incontrast(to)；bywayof；onthecontrary；differentfromthis；nevertheless然而，不过，虽然如此;contraryto；whereas但是，鉴于；while；butontheotherhand
8)举例关系:
forexample；forinstance例如；inthiscase既然假若这样;namely也就是instance例子实例
换句话说；asyouknow；youmayas／say；asheexplains；like；suchas；acaseinpointis一个恰当的例子是...;consider...；inparticular尤其特别；including...；foronething...首先，foranother...；putitsimply；statedroughly粗糙地，概略地；asanillustration，Iwillsay...；agoodexample(of...)wouldbe...；todetailthis，Iwouldliketo...；Itisinterestingtonotethat...；inthissituation;asproof;takethecaseof;takeasexample(something)；asfor;asregards；asto；accordingto;onthisoccasion.
9)强调关系：
infact;especially；particularly特别，尤其；moreover(此外)；naturally;whatismoreimportant；inreality事实上；certainly;ofcourse;indeed;inparticular；nottomention...；believeitornot；undeniably(无可置疑);otherthingbeingequal；itiscertain／surethat...；tobestrict;tobetrue；bydefinition;definitely明确地，肯定地;undoubtedly;withoutadoubt;intruth,inanyevent(不论怎样);withoutreservation(毫无保留地);obviously,notonly..but(also...),both...and...
10)条件关系:
if；unless;lest；providedthat；ifitisthecase；inthissense；once...；ifpossible；ifnecessary；ifso；ifnotall;ifanything.
11)归纳总结类：
inaword/insum/inshort
inbrief/inconclusion/insummary
therefore因此，所以/hence因此，今后
tosumup/toconclude
theconclusioncanbedrawnthat
forthisreason/onthewhole
12)地点关系：
beyond;oppositeto;adjacent邻近to;atthesameplace;there;over;inthemiddle;around;infrontof;inthedistance;farther;hereandthere;above;below;attheright;between;onthisside.
13)目的关系：
withthisobject无证;forthispurpose;inorderthat;inthisway,since;sothat;onthataccount由于。。。缘故;incase万一;withaviewto考虑到;forthesamereason.
14)重申关系：
inotherwords;thatistosay;asIhavesaid;again;onceagain.
15)结果关系：
accordingly;thus;consequently(因此);hence;therefore;thereupon;inevitably;undertheseconditions;asaresult;asaconsequence;because;becauseof;sothat;notonly...but(also...);so...asto.
16)顺序关系：
first;second;thirdly;next;then;attheoutset(在开始时)，followingthis;atthistime;now;atthispoint;after;afterward后来;afterthis;subsequently后来;lastly最终;finally;consequently所以，因此;beforethis;previously;precedingthis;simultaneously同时地;concurrently(同时发生的)
atonce;immediately;atlength终于，最后;inthemeantime同时;meanwhile;atthesametime;intheend;then;soon;notlongafter;later;atonce;atlast;finally;sometimeago;atpresent;allofasudden突然;fromthistimeon;fromtimetotime;sincethen;when;whenever;nextpoint;afewminuteslater;formerly;as;once;since;occasionally偶然地;inamoment;shortly立刻;whereupon于是，因此;previouslyHenceforth今后
李延隆，新东方教育集团首届十大演讲师之一，“相信未来”“梦想之旅”大型公益讲座全国巡讲师，集团20周年功勋教师奖得主，集团教学培训师，集团北美考试管理中心演讲师，北京新东方学校元老级资深名师，首届赴美国访问团成员，在“新东方在线”及“步步高学习机”录制的系列英语考试和《新概念英语》课程深受广大英语学习者喜爱，现旅居澳大利亚美丽的悉尼。