How to use "knocking" in a sentence

Startled, Billy Sandstone jumped up, knocking over his chair.

It hit a church tower, knocking it down, then moved on and fell into the river out of sight.

He went to bed a little after midnight and was woken in the early hours of Monday morning by the sound of knocking on doors, feet running in the street, distant drumming and the ringing of bells

Just then, as Holmes was talking, we heard someone walking up the stairs, and then a man walked into the room without knocking.