一.经典开头句型
　　1.As far as ...is/am/are concerned 就……而言
　　2.It can be said with certainty that... 可以肯定地说......
　　3.As the proverb says，... 正如谚语所说的，......
　　4.It's generally recognized that... 普遍认为......
　　5.It's hardly that... 这是很难的......
　　6.There's no denying the fact that... 毫无疑问，无可否认......
　　7.Nothing is more important than the fact that... 没有什么比......更重要。
　　8.what's far more important is that... 更重要的是…...
　　二.经典结尾句型
　　1.I will conclude by saying... 最后我要说…...
　　2.Therefore, we have the reason to believe that... 因此，我们有理由相信…...
　　3.It may be safely said that... 它可以有把握地说......
　　4.From what has been discussed above, we may safely draw the conclusion that...通过以上讨论，我们可以得出结论...…
　　5.The data/statistics/figures lead us to the conclusion that… 通过数据我们得到的结论是，....
　　6.It can be concluded from the discussion that... 从讨论中我们可以得出......的结论
　　7.From my point of view, it would be better if... 在我看来，如果……也许更好
　　三.衔接句型
　　1.A case in point is ... 一个典型的例子是......
　　2.But the problem is not so simple. Therefore，... 然而问题并非如此简单，所以……
　　3.But it's a pity that... 但遗憾的是…...
　　4.Further, we hold the opinion that... 此外，我们坚持认为，......
　　5.However , the difficulty lies in... 然而，困难在于…...
　　6.As it has been mentioned above... 正如上面所提到的…
　　7.In this respect,... 从这个角度上,......
　　四.常用于引言段的句型
　　1.Some people think that… 有些人认为…...
　　2.To be frank, I can not agree with their opinion for the reasons below. 坦率地说，我不能同意他们的意见，理由如下。
　　3. I believe the statement is valid because… 我认为这个论点是正确的，因为…...
　　4. Along with the development of…, more and more... 随着……的发展，越来越多的...…
　　5. As far as I am concerned, I completely agree with the former/ the latter. 就我而言，我完全同意前者/后者的观点。
　　五．表示比较和对比的常用句型
　　1. A is completely different from B. A和B完全不同。
　　2． The difference between A and B is/lies in... A和B不同的地方是......
　　六．因果推理法常用句型
　　1.Because/Since we read the book, we have learned a lot. 由于阅读这本书，我们已经学到了很多。
　　2. We read the book; as a result / therefore / thus / hence / consequently / for this reason / because of this, we've learned a lot. 由于阅读这本书，我们已经学到了很多。
　　3. As a result of /Because of/Due to/Owing to reading the book, we've learned a lot. 由于阅读这本书，我们已经学到了很多。