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。
Liu Xiang is the most hardworking sportsman that I have ever seen。
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.
There is no denying that Lin Zhiling is the most charming actress I have ever seen.
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.
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。
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。
7.By +Ving, xx can xx (通过……，……能够……)
例句：By taking exercise, we can always stay healthy。通过做运动，我们能够始终保持健康。
By reading, we can get more knowladge.?
8.Those who xxx + V（那些…的人……)
例句：Those who break the law should be punished。违法的人应该受处罚。
9.That is the reason why xxx (那就是……的原因)
例句：Summer is hot.That is the reason why I don't like it。
10.be closely related to xxx (与……息息相关)
例句：Taking exercise is closely related to health。
11.Get into the habit of + Ving
We should get into the habit of previewing and reviewing。我们应该养成预习和复习的习惯。
12.Thanks to + N/Ving, xxx(因为，由于……) Thank sb. for (doing) sth. 因为……感谢某人
例句：Thanks to his encouragement, I finally realized my dream。
Thank you for helping me a lot. 谢谢你帮了我那么多。
Thanks to Miss Qin's help, I passed the examination。多亏秦老师的帮助，我通过了考试。
13.….have a great influence on xx (对……有很大的影响)
例句：Smoking has a great influence on our health。抽烟对我们的健康有很大的影响。
14.In my opinion，就我的看法…
例句：In my opinion, playing copmuter games not only takes much time but also is harmful to health.
15．As we all known 众所周知
例句：As we all known that Hangzhou is a beautiful city. 众所周知杭州是座美丽的城市。