Sentence examples for known if from inspiring English sources

That much was known, if still contested.

It is not known if she did.

It is not known if song repertoire varies between individuals.

It was not known if water supplies were threatened.

It was not known if he arrived before the birth.

It was not known if there were any injuries.

It is not known if Young will return.

It is not known if Clostridium sordellii is the culprit.

It is not known if the rebels suffered any casualties.

Nor is it known if he sent off the application.

It is not yet known if West will perform.