Answer:
I believe the answer is verb.
Explanation:
Opening is an action so it is a verb. hope this helps.
In chapter 8 of the Red Badge of Courage, the thing that caused Henry to turn back to the frontline after fleeing is that He heard loud noises and was curious.
We always drove around the cabin!
"every winter" points to the past, but also it's a habitual activity in the past, which is also completed in the past- so we need simple past.