1、Nothing is + ~~~ er than to + V

Nothing is + more + 形容词 + than to + V

例句：Nothing is more important than to receive education.

没有比接受教育更重要的事。

2、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。

3、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。