新概念中课文中的句子中从句的时态用法 The hunt for the puma began in a small village where a woman picking blackberries waw "a large cat' only five yards away from her. where后面引导的从句是陈述以前发生的事情,是主句中谓语began之前的动词,应该用过去进行时(was picking)啊, 但课文这里只用Picking是为什么呢? 就是说,我想知道如果Packing 换was packing语意有不同吗?