I really think we would have noticed a knife lying on the sidewalk.

But when she reached for the knife lying beside her, it clattered to the floor.

He picked up a knife lying on the floor, careful not to touch the handle.

The man who had been attacked looked at the broken knife lying on the floor and a twisted smile crossed his face.

He pointed at the knife lying on the tile floor.

She felt the weight of the knife lying against her forearm.

He saw the knife lying on the floor, reached for it, then thought again.

Surely there was a knife lying on the counter somewhere.

She glanced at the knife lying on the table.

She looked at the sofa with the long, sharp knife lying beneath it, within easy reach.