1、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。
2、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。
3、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。