Sentence examples for is that even from inspiring English sources

How is that even going to work?

Yikes, is that even necessary?

Is that even allowed?

Is that even, y'know, possible?

Is that even what he wants?

Is that even how you spell it?

How was that even possible?

Was that even possible?

And diphtheria – what was that, even?

Was that even an option?

(Was that even a sentence?).