1、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。2、Nothing is + er than to + VNothing 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。4、There is no denying that + S + V(不可
