六级英语作文必背句式

On no account can we + V ~~~（我们绝对不能...）

例句： On no account can we ignore the value of knowledge.

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.

There is no one but ~~~（没有人不...）

例句： There is no one but longs to go to college.

be + forced/compelled/obliged + to + V（不得不...）

例句： Since the examination is around the corner, I am compelled to give up doing sports.

It pays to + V ~~~（...是值得的｡）

例句： It pays to keep a good mood every day.

表示原因