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)

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

　　海伦是我所看过最美丽的女孩。

　　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。