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。