根据意思和作用的不同，过渡词可以分为以下十五类：
表并列关系的过渡词:
and, also, as well, as well as, or, too, not onlybut also, both and, either or, neithernor
表递进关系的过渡词:
besides, in addition, moreover(此外，而且), whats more, whats worse
表转折对比的过渡词:
but, however, yet, instead, on the other hand, on the contrary, although, different from, despite, in spite of, whereas, unlike, nevertheless, not onlybut also, herethere, years agotoday, thisthat, the formerthe latter, thennow, the first whereas the second, oncenow, on the one handon the other hand, someothers
表原因的过渡词:
because, because of, since, as, for, now that, thanks to, due to
表结果的过渡词:
so, thus, therefore, as a result, so that, then, thereby, hence, sothat, suchthat
表条件的过渡词:
if, unless, on condition that, as/so long as
表时间的过渡词:
when, while, after, before, until, as soon as, later, afterwards, soon, lately, recently, since, from then on, eventually, in the meantime, then, suddenly, at the same time, next, early this morning / year / century, after a while, in a few days, now, presently, finally, at last, all of a sudden, from now on, at present, immediately, the moment
表特定的顺序关系的过渡词:
first, firstly, second, secondly, third, thirdly, above all, first of all, then, next, finally, in the end, at last, afterward(s), meanwhile, thereafter, last, finally, eventually
表换一种方式表达的过渡词:
in other words, that is to say, to put it another way
表进行举例说明的过渡词:
for instance, for example, like, such as
表陈述事实的过渡词:
in fact, actually, as a matter of fact, to tell you the truth
表强调的过渡词:
certainly, indeed, above all, surely, most important, in fact, no doubt, without any doubt, truly, obviously
表比较的过渡词：
like, unlike, in the same way, similarly, similar to
表目的的过渡词：
for this reason, for this purpose, so that, in order to, so as to
表总结的过渡词:
in a word(总之，简言之), in general, in short(总之), above all, after all, generally speaking, to sum up, finally, in conclusion, at last, in summary
二、文章段落之间的逻辑关系主要由过渡词来完成，在修辞中称为启、承、转、合。启就是开头, 承是承接，转是转折，合是综合或总结。
用于启的过渡词语 用于表示启的过渡词或过渡性的语句通常用在段落或文章的开头：
first, first of all, at first, in the first place, firstly, to being with, to start with, recently, now, at present, in recent years, in general, generally speaking, at present, lately, currently,
It is often said that,
As the proverb says,
It goes without saying that,
It is clear/obvious that,
Many people often ask
用于承的过渡词语 表示承的过渡词或过渡性的语句通常用在段落中的第一个扩展句中：
second, similarly, in addition, besides, then, furthermore, moreover, what is more, what is worse, for example, for instance, certainly, surely, obviously, in other words, especially, particularly, in particular, indeed, still, third, truly, in fact, at the same time, no doubt
It is true that,
Everybody knows that,
It can be easily proved that,
No one can deny that
The reason why is that ,
There is no doubt that,
To takefor an example (instance) ,
We know that,
What is more serious is that
用于转的过渡词语 用于转的过渡词或过渡性的语句通常用在段落中的第二个扩展句中：
but, however, on the other hand, on the contrary, in contrast, in any case, at any rate(无论如何), nevertheless(虽然如此), otherwise, or, or else, while, whereas, but, despite, in spite of ..., yet, instead,
I do not believe that,
perhaps youll ask why
This may be true, but we still have a problem with regard to,
Though we are in basic agreement with , yet differences will be found,
Thats why I feel that
用于合的过渡词语 用于合的过渡词或过渡性的语句通常用在段落的结论句或文章的结论段中：
in a word, in general, in short, above all, after all, generally speaking, to sum up, finally, in conclusion, at last, in summary, therefore, as a result, above all, thus，after all(毕竟), eventually, hence, in short, in conclusion, in a word, in sum(总之), on the whole(就整体而言), to sum up
From this point of view
On account of this we can find that
The result is dependent on
Thus, this is the reason why we must