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。
here 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。
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。
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。
That is the reason why ~~~ (那就是...的原因)
例句：Summer is sultry. That is the reason why I don‘t like it.
夏天很燠热。那就是我不喜欢它的原因。
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。
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。
It pays to + V ~~~ (...是值得的。)
例句：It pays to help others.
帮助别人是值得的。
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。
Spare no effort to + V (不遗余力的)
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。
