1. 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。)

+ 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。)

3.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。)

4.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 trafficproblems. (有关当局是时候采取适当措施解决交通问题了。)

5.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。)