介词短词+倒装结构

以下列否定意义的短语作句首的句子应用倒装语序： under no circumstances, on no account, in no way, at no point, at no time, in no sense, 这些短语都表示“绝不”，如：

On no account my reference books be removed from the library. 绝不可将参考书带出图书馆。

At no time shall a student cheat at his exam.学生任何时候都不允许考试作弊。