1. 主语+is + the + 最高级+ 名词 +（that）+ I have ever seen （known/heard/had/read）
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。
Yao Ming is the tallest basketball player that I have ever seen。
姚明是我所见过的最高的篮球运动员
Liu Xiang is the most hardworking sportsman that I have ever seen。
刘翔是我所见过的最勤奋的运动员。
2.Nothing is more important + than + to do sth. 没什么比做某事更重要的事。
例句：Nothing is more important than to keep fit。没有比保持健康更重要的事。
Nothing is more important than to potect our environment。没有什么比环保更重要的事。
Nothing is more important than to gain knowledge。没有什么比学习知识更重要的事。
3.There is no denying that + S + V （不可否认的……）
例句：There is no denying that Nothing is more important than to potect our environment.
不可否认的，没有什么比环保更重要的事。
There is no denying that Lin Zhiling is the most charming actress I have ever seen.
不可否认，林志玲是我所见过的最有魅力的女演员。
4.An advantage of doing sth. is that + 句子（干某事的优点是……）
例句：An advantage of taking exercises is that it can make us keep healthy.
锻炼身体的优点是它可以让我们保持健康。
5.The reason why + 句子 is that + 句子（……的原因是……）
例句：The reason why we have to grow trees is that they can provide us with fresh air。
我们必须种树的原因是它们能供应我们新鲜的空气。
6.The + 比较级 + S + V, the + 比较级 + S + V （愈……愈……）
例句：The harder you work, the more progress you make。你愈努力，你愈进步。
The more books we read, the more learned we become。我们书读愈多，我们愈有学问。