How to use "forming" in a sentence

Hundred-foot-long signs-five - hundred-foot-long signs - towered five or even ten stories above the street, glittering, winking, thousands of miles of bright glass tubing filled with glowing gas, blinking, swirling, hundreds of thousands of bulbs, spelling out hotel names, forming pictures with light

An enormous hole had been made and the Earth had been thrown violently in every direction, forming piles that could be seen two kilometres away.

The curate talked endlessly, and this prevented me from forming a plan of action.