Sentence examples for known how long from inspiring English sources

It was not known how long the work would take.

It is not known how long any improvement might last.

It is not known how long he will be out.

It is not known how long the hearing will last.

It is not known how long he will be sidelined.

It is not known how long the batteries will remain.

However, it is not known how long this effect was maintained.

It was not known how long he had been at Churchill Downs.

It is not known how long the government saves the images.

It was not known how long she had been gone before the fire began.

It was not known how long the baby had been dead, Officer Cox said.