S + enable + O + to + V：……使……能够……
例句：Listening to music enables us to feel relaxed. (听音乐使我们获得放松。)
be + forced / obliged / compelled + 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。)
a. + as + S + be, S + V + O：虽然……， 但是……
例句：Rich as our country is, the quality of our life is by no means satisfactory. (虽然我们的国家富有，但我们的生活质量仍差强人意。)
It is conceivable / obvious / apparent that + 句子：可想而知/明显/显然……
例句：It is apparent that knowledge plays an important role in our life. (显然，知识在我们人生中扮演着重要角色。)
The + 形容词比较级 + S + V, the + 形容词比较级 + S + V：……愈……，……愈……
例句：The harder you work, the more progress you make. (愈努力，愈进步。)
Since + S + 动词过去式，S + 现在完成式： 自从……，……一直……
例句：Since he went to senior high school, he has worked very hard. (自从上了高中，他一直很用功。)
By + V-ing, S can V：通过……，……能够……
例句：By taking exercise, we can always stay healthy. (通过做运动，我们能够保持健康。)
be based on sth.：以.……为基础
例句：Progress in society is based on harmony. (社会的进步是以和谐为基础的。)
That is the reason why +句子：那就是……的原因
例句：Summer is sultry[闷热的]. That is the reason why I don't like it. (夏天很闷热。那就是我不喜欢它的原因。)
There is no one but + V + O：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。)
Due to / Owing to / Thanks to + sth. / V-ing：因为/ 多亏……
例句：Thanks to his encouragement, I finally realized my dream. (因为他的鼓励，我终于实现了梦想。)
For the past + 时间, S + 现在完成式： 过去的……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。)
What a + a. + n. + S + V!= How + a. + 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!)
get into the habit of + V-ing = make it a rule to + V：养成……的习惯
例句：We should get into the habit of
keeping good hours. (我们应该养成早睡早起的习惯。) leave much to be desired：令人不满意
例句：The condition of our traffic leaves much to be desired. (我们的交通状况令人不太满意。)