二十一、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。
二十二、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。
二十三、It pays to + V ~~~ (...是值得的。)
例句：It pays to help others.
帮助别人是值得的。
二十四、be based on (以...为基础)
例句：The progress of thee society is based on harmony.
社会的进步是以和谐为基础的。
二十五、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。
二十六、bring home to + 人 + 事 (让...明白...事)
例句：We should bring home to people the valueof working hard.
我们应该让人们明白努力的价值。
二十七、be closely related to ~~ (与...息息相关)
例句：Taking exercise is closely related to health.
做运动与健康息息相关。
二十八、Get into the habit of + Ving= make it a rule to + V (养成...的习惯)
We should get into the habit of keeping good hours.
我们应该养成早睡早起的习惯。
二十九、Due to/Owing to/Thanks to + N/Ving, ~~~(因为...)
例句：Thanks to his encouragement, I finally realized my dream.
因为他的鼓励，我终于实现我的梦想。
三十、What a + Adj + N + S + V!= How + Adj + a + N + V!(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!