二一般过去时定义：表示在过去的时间发生的事情或者存在的状态句型结构一：主语+系动词+表语系动词： be动词：was, wereamwasiswasarewere * be动词的搭配：I 用am, you 用are，is分给he，she，it；复数全部都用are。例1：I was a middle school student.例2：You were from China.例3：She was the best student in our class.例4：We were close friends.句型转换：变为否定句：I was not a middle school student.(在be动词后加not)变为一般疑问句：Were you a middle school student?（be动词提前，其它不变）回答： Yes, I was. No, I was not.句型结构二：主语+谓语动词+（宾语）谓语动词： 动词过去式动词过去式的变化规则：1
