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。