You can't imagine what difficulty we had walking home in the snowstorm这里的walking是非谓语,

You can't imagine what difficulty we had walking home in the snowstorm这里的walking是非谓语,
You can't imagine what difficulty we had walking home in the snowstorm
这里的walking是非谓语,

You can't imagine what difficulty we had walking home in the snowstorm这里的walking是非谓语,
YES!What difficulty we had,宾语“我们遇到的困难” ,walking 作时间状语 当我们步行回家的路上