Sentence examples for why that happens from inspiring English sources

"We don't know why" that happens, says Breaker. "It's a little eerie," notes Sean Eddy, a computational biologist at Washington University in St .Louis, Missouri.

So maybe that's why that happens".

"I don't know why that happens.

"But we're not sure why that happens".

Why that happens I don't know.

Why that happens is another unanswered question.

Why did that happen?

"Why did that happen?" Mrs. Clinton said.

But how and why did that happen?

I'm not sure why that happened.

"I have to analyse why that happened".