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1.Asarule,S+V...一般而言，…
2.AsfarasIknow,S+V...据我所知，…
3.Asthesayinggoes,S+V...常言道，…
4.Everybodyknowsthat+S+V...众所周知，…
5.Franklyspeaking,S+V...坦白地说，…
6.Generallyspeaking,S+V...一般而言，…
7.I'moftheopinionthat+S+V...依我之见，…
8.Iamgreatlyconvincedthat+S+V...我深信，…
9.Indealingwith...,onecannotbutadmitthatS+V...在讨论…，一个人不得不承认…
10.Ingeneral,S+V...一般而言，…
11.Inmyopinion,S+V...依我之见，…
12.ItcanbeeasilyprovedthatS+V...…是容易证明的
13.ItgoeswithoutsayingthatS+V...不消说，…
14.ItisoutofthequestiontoV…是不可能的
15.It'squiteobviousthatS+V...不消说，…
16.Itissaid(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.Itisimportant(necessary必要的,urgent紧急的,proper适当的)thatS(should)+V(…是)重要的
18.It'struethat+S+V...事实是
19.Luckytosay,S+V...说来幸运，…
20.Needlesstosay,S+V...不消说，…
21.Noonecandenythat+S+V...没有人可以否认…
22.Nothingintheworldcandelightmesomuchas...世界上没有什么比…更令我高兴
23.OfallthepeopleIknow,perhapsnonedeservesmyrespectmorethan...在我所认识的人当中，也许没有一个人比…更值得我尊敬
24.Ontheaverage,S+V...一般而言，…
25.Regretfultosay,S+V...说来遗憾，…
26.Sadtosay,S+V...说来可悲，…
27.Strangetosay,S+V...说来奇怪，…
28.Strictlyspeaking,S+V...严格地说，…
29.ThereisnodoubtthatS+V...毫无疑问，…
30.ThereisnoV-ing...…是不可能的
31.Totellthetruth,S+V...老实说，…
32.Tothebestofmyknowledge,S+V...据我所知，…