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，…