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。
