,It was snowy. The road was icy.,A car was hitting a tree. The car was in bad shape.,Look at the picture: What was the weather like? What happened? 想一想:当我们在描述一个过去的事件时,会运用哪些时态 呢?,探究一,1. 看4a中的表格,判断John与Mary的动作是延续性的还是非延续性的。 2. 小组讨论并归纳:和都表示“当时”;用于过去进行时,只与延续性动作连用; 用于一般过去时,与非延续性动作连用。,while,when,while,when,探究二 1. 完成4b,用was, were, when或while填空。 提示:was用于单数,were用于复数,when后接一般过去时,while后接过去进行时。 2. 根据文章事件发生的先后顺序,将序号填在流程图中。,made breakfastatewent out listened to the radiogot to the place talked about a car acci
