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[不可或缺的] 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。)