Sentence examples for this happen so from inspiring English sources

Why does this happen so often?

How did this happen so fast?

GREEN -- How did all this happen so fast?

We need to find out, how could this happen so many time and nobody see what was going on?

"We need to find out: how could this happen so many times and nobody see what was going on?

And we managed it, thanks to the designer Carol Enright who has made all this happen so effectively, after much testing and tweaking.

"This happened so quickly".

How has this happened so quickly?

This happened so few times in our lives.

"I'm glad this happened so she can be an example to our children".

And because this happens so rarely, I feel like doing a little jig.