1. the + est + 名词 + (that) + 主语 + have ever + seen (known / heard / had / read, etc)
Helen is the most beautiful girl that I have ever seen.
Mr. Zhang is the kindest teacher that I have ever had.
Yao Ming is the tallest basketball player that I have ever seen.
Liu Xiang is the most hardworking sportsman that I have ever seen.
2. Nothing is + er than to + V
Nothing is more important than to receive education.
Nothing is more important than to potect our environment.
Nothing is more important than to gain knowledge.
3. cannot emphasize the importance of … too much(再怎么强调...的重要性也不为过)
We cannot emphasize the importance of protecting our eyes too much.
We can not emphasize the importance of education.
4. There is no denying that + S + V ...(不可否认的…)
There is no denying that the qualities of our living have gone from bad to worse.
There is no denying that Lin Chi-ling is the most charming actress I have ever seen.
5. It is universally acknowledged that + 句子 (全世界都知道…)
It is universally acknowledged that trees are indispensable to us.
