在英文写作中，要使句子与句子之间结构紧凑，逻辑严谨，连贯性强，使读者能顺着作者的思路理解原文，使用过渡词必不可少。过渡词就是句子之间，段落的前后之间起连接或承上启下作用的词。
顺序过渡词 first (of all), second, and third; in the first place, in the second place, in the third place; on the one hand, on the other hand; to begin with, next, finally …
对比过渡词 however, in comparison with, yet, nevertheless, in spite of the fact that …, on the contrary, while, in contrast, whereas, but on the other hand, conversely …
因果过渡词 so, consequently, for, as, as a result, hence, therefore, thus, in consequence, since, accordingly, as a consequence, because …
递进过渡词 besides, in addition (to), moreover, furthermore, what’s more, to make things (still) worse …
等同过渡词 similarly, that’s to say, likewise, in other words, namely, equally, in the way, or rather…
举例过渡词 for example, for instance, a case in point, as an illustration, incidentally, that’s, in the case of, take …for example, suppose
结论过渡词 in brief, in short, in summary, to sum up, in conclusion, to conclude, on the whole, in a word …
空间过渡词 behind, above, in front, on the left, on the right, across, adjacent to , at the bottom, below, close to , far, further, next to , in center of, opposite, on the top …
●段落写作中的常用句型
表示时间顺序的语句：
Before / Until something has been done (doing something), …
Before this, / Previously, …
While / As something is done (doing something), …
During this time / process, / Meanwhile, …
Having done something, …
When (After / Once / As soon as ) something is done, …
The process begins (finishes / concludes) with, …
The first / second / subsequent / following / last/ final step is to do / doing something, …
表示数量之间比较的语句：
increase / decrease by X times （净增/减X倍）
increase / decrease X times （增加到/减少到X倍）
increase / decrease X （增加到/减少到X）
X times + 比较级
X times less than
X times as … as
It decreased (dropped, fell) to X
It increased ( rose, jumped, shot up ) to X
The figure ( percentage, number, population, amount) has almost doubled as against that of last year.
It reaches its peak.
It dropped to this lowest point.
X is half …Y.
X is twice as high as Y.
X excels Y in …
X equals Y in …
表示相似的语句：
Both X and Y are / have …
Neither X or Y is / has …
X is similar to Y in …
X and Y are similar / alike in …
Like Y, X …
X is …, so is Y.
X is as … as Y.
X is the same as Y.
X and Y have … in common.
表示差异的语句：
X is different from Y in …
The main difference (Another difference / One of the differences ) between X and Y is …
Unlike Y, X does something
With regard to …, X is … than Y.
In contrast to X, Y …
Although X, Y…
While (When / Whereas) X, Y …
表示观点的语句：
The first thing to considered is …
First of all I should like to consider …
It is a fact that …
I believe that …
One of the main arguments in favor of / against …
This is unlikely to be true.
They would seem to be mistaken.
These views are open to doubt.
Serious doubts can be raised against this.
It is generally / widely argued ( held / believed ) that …
Some people say / believe / state / claim / are of the opinion that …
表示扩展的语句：
On the other hand…
Aside from…
The same is true of …
No one can deny that …
There’s no doubt that
There is limit to …
Undoubtedly …
However …
Most important of all …
Clearly …
First of all
But some other people object to it on the ground that …
表示概括和总结：
In short, …
In a word, …
In brief, …
On the whole, …
Altogether, …
In all, …
Therefore, it can be concluded that …
Thus, it may be deduced that …
启段开头常用语：
As the proverb says …/ A proverb says …
Generally speaking, …/ It goes without saying that …
Many people often ask this question, “ …”
It is often said that …
It is clear that …, because …
