十三、~~~ 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。
十四、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。
十五、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。
十六、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。
十七、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。
十八、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。
十九、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医,,学全在.线提.供www.med126.com。
二十、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。
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。
