the police went through the building hoping to catch the thief.为什么用hoping

问题描述:

the police went through the building hoping to catch the thief.为什么用hoping

1、词义上解释:如果没有前后文文意的限制,不仅可以填hoping(期望),还可以填trying(试图)等,要看文意的要求.
2:语法上解释:这里之所以用动名词hoping,因为是警察的主动行为,而不是被动行为.