1、There is no denying that + S + V ……(不可否认的……)
例句：There is no denying that the qualities of our living have gone from bad to worse.
不可否认的，我们的生活品质已经每况愈下。
2、It is universally acknowledged that + 句子 (全世界都知道……)
例句：It is universally acknowledged that trees are indispensable to us.
全世界都知道树木对我们是不可或缺的。
3、There is no doubt that + 句子(毫无疑问的……)
例句：There is no doubt that our educational system leaves something to be desired.
毫无疑问的我们的教育制度令人不满意。