the 形容词最高级 n. (that) S(主语) have ever seen / known / heard / had / read, etc

例句：Helen is the most beautiful girl that I have ever seen.(海伦是我见过的最美丽的女孩。)

Nothing is 形容词比较级 than to V(谓语)

例句：Nothing is more important than to receive education. (没有比接受教育更重要的事。)

S cannot emphasize the importance of sth. too much：再怎么强调……的重要性也不为过。

例句：We cannot emphasize the importance of protecting our eyes too much. (我们再怎么强调保护眼睛的重要性也不为过。)

There is no doubt that 句子：毫无疑问，……

例句：There is no doubt that the economy is recovering. (毫无疑问，经济已经逐渐复苏。)

It pays to V O(宾语)：……是值得的。

例句：It pays to help others. (帮助别人是值得的。)

An advantage of 名词结构 is that 句子：……的优点是……

例句：An advantage of using solar energy is that it won't create any pollution.(使用太阳能的优点是它不会产生任何污染。)

There is no denying that 句子：不可否认……

例句：There is no denying that the quality of our life has gone from good to better. (不可否认，我们的生活质量日益改善。)

On no account can we V：我们绝对不能……

例句：On no account can we ignore the value of knowledge. (我们绝不能无视知识的价值。)

It is universally acknowledged that 句子：全世界都知道……

例句：It is universally acknowledged that trees are indispensable to us. (全世界都知道树木对我们是不可或缺的。)

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. (我们必须种树的原因是它们能给我们提供新鲜空气。)

be closely related to sth.：与……息息相关

例句：Taking exercise is closely related to health. (做运动与健康息息相关。)

So 形容词 be S 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，它经不起我们浪费。)

It is time S 动词过去式：该是……的时候了。

例句：It is time the authorities concerned took proper steps to solve the traffic problems. (有关当局是时候采取适当措施解决交通问题了。)

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. 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……

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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。)

Those who V O：那些……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。)

have a great influence on sth.：对……有很大影响

例句：Smoking has a great influence on our health. (抽烟对我们的健康有很大影响。)

spare no effort to V：不遗余力地……

例句：We should spare no effort to beautify our environment. (我们应该不遗余力地美化我们的环境。)

do good / harm to sth.：对……有益/有害

例句：Reading does good to our mind.(读书对心灵有益。)

pose a great threat to sth.：对……造成很大威胁

例句：Pollution poses a great threat to our existence. (污染对我们的生存造成很大威胁。)

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bring home to S O：让……明白……

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。)

do one's utmost to V = do one's best to V：尽全力去……

例句：We should do our utmost to achieve our goal in life. (我们应尽全力去达成我们的人生目标。)