1、时态四：过去进行时态：时态四：过去进行时态： 1.定义：表示过去正在发生的动作或持续的状态。 2.标志词：at that time（在那时）, at that moment（在那一刻） 3.结构: waswas/werewere + doinging 正在做. eg:1.I waswas watchinging TV at this time yesterday. 2.They werewere swimmingming in the pool at this time yesterday. 4.基本句型： 1.特殊疑问句: What were you doing at this time y
2、esterday? 2.陈述句: She waswas watchinging TV at 8:00 yesterday. 变为否定句：_ 变为一般疑问:_ 肯定回答： Yes， _ 否定回答： No， _ 用动词的正确形式填空： 1. My mother _ _ (cook) dinner when I got home yesterday. 2. While I_ _ (sweep) the floor, he _ _(write) to his friend. 3. The Wangs_ _ (take) a vacation in mount Huang from June 14 to June 18 last summer. 4. Alan_ _ (take) photos when Mary_(saw) him. 5.What _ you _ (do) at 7:00 yesterday? 6.I saw him in the library yesterday. He _ _(read) a book at that moment.
