having not还是not having

Not having 是没有（做）……

not having done是非谓语动词中正确的用法,用作状语比较多.

如Not having heard from him,she decided to write another letter.

Having not 还没做某事having not done 是谓语动词完成时的否定形式，不多见

Having not founded perfect data information system, the base of credit risk management is frangible.

未建立完善的数据信息系统，信用风险管理基础薄弱。

This requires the standards having not only scientific explanation, but rational realism.

这就要求学费标准不仅应有科学的解释性，而且应有合理的现实性。

Having not to swear in front of children.

不要在孩子面前说脏话。