1.... 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。
2.There is no doubt that ... (毫无疑问的是……)
例句：There is no doubt that our educational system leaves something to be desired. 毫无疑问的是我们的教育制度令人不满意。
3.... the + 最高级+ 名词 + (that) + 主语 + have ever + seen ( known/heard/had/read, etc.)
... the most + 形容词 + 名词 + (that) + 主语 + 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. Zhang is the kindest teacher that I have ever had. 张老师是我曾经遇到最仁慈的教师。
4. Those who...(……的人……)
例句：Those who violate traffic regulations should be punished. 违反交通规定的人应该受处罚。
5. It pays to... (……是值得的)
例句：It pays to help others. 帮助别人是值得的。
6. Nothing is +比较级+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。
7. An advantage of ... is that ...(……的优点是……)
例句：An advantage of using the solar energy is that it won’t create /produce any pollution. 使用太阳能的优点是它不会制造任何污染。
8. The reason why ...is that ...(……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。
9. So + 形容词 + be + 主语 + that + 句子(如此……以致于……)
例句：So precious is time that we can’t afford to waste it. 时间是如此珍贵，我们经不起浪费它。
10. adj. + as +主语+ be, 主语+谓语…… (虽然……)
例句：Rich as our country is, the qualities of our living are by no means satisfactory. 虽然我们的国家富有，我们的生活品质绝对令人不满意。
11. The +比较级..., the +比较级... (越……越……)
例句：The harder you work, the more progress you make. 你愈努力，你愈进步。
12. On no account can we...(我们绝对不能……)
例句：On no account can we ignore the value of knowledge. 我们绝对不能忽略知识的价值。
13. It is time that...(该是……的时候了)
例句：It is time that the authorities concerned took proper steps to solve the traffic problems. 该是有关当局采取适当的措施来解决交通问题的时候了。
14. There is no denying that ...(不可否认的……)
例句：There is no denying that the qualities of our living have gone from bad to worse.
不可否认的是，我们的生活品质已经每况愈下。
15. There is no one but...(没有人不……)
例句：There is no one but longs to go to college. 没有人不渴望上大学。
16. ...have a great influence on... (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。
17. It is universally acknowledged that ...(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。
18. Due to/Owing to/Thanks to...(因为……)
例句：Thanks to his encouragement,I finally realized my dream. 因为他的鼓励，我终于实现了我的梦想。
19. What a/an + adj. + 名词 + 主语+ 谓语!= How + adj. + a/an + 名词 +主语+ 谓语!(多么……)
例句：What an important thing it is to keep our promise!
How important a thing it is to keep our promise! 遵守诺言是多么重要的事!
20. It is obvious that + 句子(明显的)
It is apparent that + 句子(显然的)
例句：It is obvious that knowledge plays an important role in our life. 显然，知识在我们的一生中扮演一个重要的角色。
