How could I possibly not go?

焉能不去？

《新英汉大辞典》

Quite possibly not.

很可能没有。

youdao

Possibly healthy but possibly not, said Uncle Matt.

它可能是健康的，但也可能不是。马特叔叔说。

youdao

If the Union force attacked before Stonewall Jackson got into position, Lee could not possibly hold it back.

VOA: special.2009.10.15

He argued that monotheism and polytheism are so radically distinct that one could not possibly have evolved from the other.

他认为一神论和多神论是截然不同的,不可能是一个由另一个进化而来。

耶鲁公开课 - 旧约导论课程节选

Can this possibly be correct? I hope it can. No, it is not correct.

才不是呢，瞎说骗你们玩儿的。

耶鲁公开课 - 文学理论导论课程节选

Yes, I kept hearing as the December 31 vote deadline passed, very possibly not a one.

CNN: A baseball game nobody wins

That copy being somewhere on a server, quite possibly not in the legal jurisdiction at all.

FORBES: Twitter's New Censorship System and International Internet Law

And as far as I remember that when I asked him, he was possibly not even the minister.

BBC: News Online