一、的~~~ 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、的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、的~~~ 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。
                    四、的There is no denying that + S + V ...（不可否认的...）
                    例句：There is no denying that the qualities of our living have
                  gone from bad to worse.
                    不可否认的，我们的生活品质已经每况愈下。
                    五、的It is universally acknowledged that + 句子~~ （全世界都知道...）
                    例句：It is universally acknowledged that trees are
                  indispensable to us.
                    全世界都知道树木对我们是不可或缺的。