1.   A transmitter connected to the door bell sends radio signals to a portable receiver.

2.   Adam walked up the path and rang the door bell.

3.   At that moment, the door bell rang.

4.   Door bells and shavers etc require a separate fused supply through a transformer.

5.   If the door bell goes, do you shuffle heavily along to answer it?

6.   Six foot high and floodlit, they winked, mewed and yapped when the door bell was rung.

7.   The shrill jangle of the door bell made them both jump.

8.   As she stood, wondering how to sort out the tangle, the door bell rang.

9.   And as she was say as she was telling us this the door bell went.