一、~~~ the + ~ est + 名词 + (that) + 主词 + haveever + seen ( known/heard/had/read, etc)

~~~ the most + 形容词 + 名词 + (that) + 主词 + have ever + seen ( known/heard/had/read, etc)

例句：

Helen is the most beautiful girl that I have ever seen.

海伦是我所看过最美丽的女孩。

Mr. Chang is the kindest teacher that I have ever had.

张老师是我曾经遇到最仁慈的教师。

 
二、Nothing is + ~~~ er than to + V Nothing is + more + 形容词 + than to + V
 
例句：

Nothing is more important than to receive education.

没有比接受教育更重要的事。

三、~~~ cannot emphasize the importance of ~~~ too much.（再怎么强调...的重要性也不为过。）

例句：

We cannot emphasize the importance of protecting our eyes too much.

我们再怎么强调保护眼睛的重要性也不为过。

四、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。

五、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。

六、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。