1.   A neon sign flashed on and off above the door.

2.   A neon sign flashed on and off in the window.

3.   His shiny shoes pounded the sidewalks, and neon signs flashed the names of increasingly seedy nightclubs at him.

4.   An illuminated sign flashed on and off.

5.   But the warning signs are flashing before the league gets under way next week.

6.   An applause sign flashes overhead.

7.   But signs are flashing of a flagging economy.

8.   Few chose to wait for the walk sign to flash before leaving the curb, and, when they did it was seldom at the crosswalk.

9.   No signs flashed across the tabernacle ceiling.