Sentence examples for certain why from inspiring English sources

Nobody is entirely certain why.

I can't be certain why.

"I'm not quite certain why.

Scientists are not certain why.

We cannot be certain why this is.

Dr Goldin-Meadow is not certain why that is.

No one is certain why this is happening.

I'm not certain why they met my mood so exactly.

None of us were certain why this should be so.

I'm not certain why, because, to look at, it's more Ikea than Iroquoi.

No one is certain why Goss's wilt has become so rampant in recent years.