Sentence examples for this have been from inspiring English sources

Could this have been prevented?

Could this have been avoided?

"Many works before this have been revived.

Could this have been an accident?

Could this have been spotted sooner?

Might this have been one of them?

Would this have been a cheap date?

Bits of this have been painful.

Could all of this have been avoided?

Could this have been drawn en plein aire in Siena?

Doomsday predictions like this have been around for millennia.