Sentence examples for one is certain from inspiring English sources

But nothing is ordinary about these circumstances, not the least because no one is certain if Mr. Paterson, on this Thursday, will be governor on Friday.

With the rules spread across agencies, no one is certain how many employees are working on them, but the number is certainly in the hundreds or higher.

No one is certain why women, rather than their husbands, took on the role of free diver.

Since then, Mr. Brooks said, it has leveled off, and while no one is certain why, researchers think the rise in mobile-home living is one reason.

But no one is certain.

No one is certain how many jobs will go.

No one is certain why this is happening.

No one is certain if Seubert has soft hands.

But no one is certain where the style originated.

But no one is certain whether that will happen.

Therefore, no one is certain whether the letter was contaminated.