1.As a rule, S + V...一般而言，…
2.As far as I know, S + V...据我所知，…
3.As the saying goes, S + V...常言道，…
4.Everybody knows that + S + V...众所周知，…
5.Frankly speaking, S + V...坦白地说，…
6.Generally speaking, S + V...一般而言，…
7.I'm of the opinion that + S + V...依我之见，…
8.I am greatly convinced that + S + V...我深信，…
9.In dealing with..., one cannot but admit that S + V...在讨论…，一个人不得不承认…
10.In general, S + V...一般而言，…
11.In my opinion, S + V...依我之见，…
12.It can be easily proved that S + V...…是容易证明的
13.It goes without saying that S + V...不消说，…
14.It is out of the question to V…是不可能的
15.It's quite obvious that S + V...不消说，…
16.It is said ( reported据报导, known一般皆知, estimated据估计, believed一般相信, expected一般预料 ) that...据说
17.It is important ( necessary必要的, urgent紧急的, proper适当的 ) that S (should) + V(…是)重要的
18.It's true that + S + V...事实是
19.Lucky to say, S + V...说来幸运，…
20.Needless to say, S + V...不消说，…
21.No one can deny that + S + V...没有人可以否认…
22.Nothing in the world can delight me so much as ...世界上没有什么比…更令我高兴
23.Of all the people I know, perhaps none deserves my respect more than...在我所认识的人当中，也许没有一个人比…更值得我尊敬
24.On the average, S + V...一般而言，…
25.Regretful to say, S + V...说来遗憾，…
26.Sad to say, S + V...说来可悲，…
27.Strange to say, S + V...说来奇怪，…
28.Strictly speaking, S + V...严格地说，…
29.There is no doubt that S + V...毫无疑问，…
30.There is no V-ing...…是不可能的
31.To tell the truth, S + V...老实说，…
32.To the best of my knowledge, S + V...据我所知，…