in the past 是个过去时间状语“ 在过去” 得和一般过去式连用In the past kitchen knives were made in a forge. 过去厨房用刀是在锻造厂打出来的而如果“ in the past +时间段”,指的就是延续到现在的一段时间,这时得和现在完成时连用In the past 10-odd years China has sped up urbanization. 10多年来,中国加快了城市化进程。请及时采纳,不懂继续问( 天天在线 )(*^__^*) 祝学习进步! 谢谢!...