2. 如果主句的时态是一般过去时,宾语从句只能 用相应的过去的某种时态(一般过去时,过去进行时,过去将来时,过去完成时)。 Michael said that he would try harder the next semester. Jennifer wondered who had taken her umbrella by mistake. 特殊情况: 1. 从句说明...