1. For the past+时间，S+现在完成式...(过去...年来，...一直...)
例句：For the past two years,I have been busy preparing for the examination.
过去两年来，我一直忙着准备考试。
2. Since+S+过去式，S+现在完成式。
例句：Since he went to senior high school,he has worked very hard.
自从他上高中，他一直很用功。
3. It pays to+V(...是值得的。)
例句：It pays to help others.
帮助别人是值得的。
4. be based on(以...为基础)
例句：The progress of the society is based on harmony.
社会的进步是以和谐为基础的。
5. Spare no effort to+V(不遗余力的)
例句：We should spare no effort to beautify our environment.
我们应该不遗余力的美化我们的环境。
6. bring home to+人+事 (让...明白...事)
例句：We should bring home to people the value of working hard.
我们应该让人们明白努力的价值。
7. be closely related to(与...息息相关)
例句：Taking exercise is closely related to health.
8. 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.
/The reason why we have to grow trees is that they can supply fresh air for us.
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 + 主词 + 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 +Subject(主词)+ be, S +V~~~ (虽然...)
例句：Rich as our country is, the qualities of our living are by no means satisfactory. {byno means = in no way = on no account 一点也不}
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+~er+S+V,~~~the+~er+S+V~~~
The+more+Adj+S+V,~~~the+more+Adj+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。
12. By+Ving,~~can~~(借着...，..能够..)
例句：By taking exercise, we can always stay healthy.
借着做运动，我们能够始终保持健康。
13. ~~~enable+Object(受词)+to+V(..使..能够..)
例句：Listening to music enable us to feel relaxed.
听音乐使我们能够感觉轻松。
14. On no account can we+V~~~(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。
15. It is time+S+ 过去式 (该是...的时候了)
例句：It is time 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。
16. 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。
17. 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。
18. be+forced/compelled/obliged+to+V(不得不...)
例句：Since the examination is around the corner,I am compelled to give up doing sports.
既然考试迫在眉睫，我不得不放弃做运动。
19. It is conceivable that+ 句子 (可想而知的)
It is obvious that+ 句子 (明显的)
It is apparent that+ 句子 (显然的)
例句：It is conceivable that knowledge plays an important role in our life.
可想而知，知识在我们的一生中扮演一个重要的角色。
20. That is the reason why~~~(那就是...的原因)
例句：Summer is is the reason why Idon't like it.
夏天很燠热。那就是我不喜欢它的原因。
书香门第
