沪教版初中英语学的时态,最好分一下类,例如初一上册: ,初二上册:_百度...答:6.例句:At that time she was working in a PLA unit. When he came in, I was reading a newspaper. 五 、过去完成时: 1.概念:以过去某个时间为标准,在此以前发生的动作或行为,或在过去某动作之前完成的行为,即“过去的过去”。 2.时间状语:before, by the end of last year(term, month…),etc...