一、~~~ the + ~ est + 名词 + (that) + 主词 + have ever + 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。
　　七、An advantage of ~~~ is that + 句子 (...的优点是...)
　　例句：An advantage of using the solar energy is that it won’t create (produce) any pollution.
　　使用太阳能的优点是它不会制造任何污染。
　　八、The reason why + 句子 ~~~ is that + 句子 (...的原因是...)
　　例句：The reason why we have to grow trees is that they can provide us with fresh air./ The reason why we have to grow trees is that they can supply fresh air for us.
　　我们必须种树的原因是它们能供应我们新鲜的空气。