过去进行时 一、定义 1. 表示过去某个时刻正在进行的动作。 He was having breakfast at six o’clock yesterday morning. 2. 表示过去某个时间段正在进行的动作。 He was writing stories the whole morning. 二、结构 1 . 肯定结构：主语+w as/w ere +doing+其它. I was watching TV at eight last night. He was having breakfast at seven this morning. 2. 否定结构：主语+w as/w ere +not +doing+其它. I was not watching TV at eight last night. He was not having breakfast at seven this morning. 3. 一般疑问句：Was/Were+主语+doing+其它? (1)Were you watching TV at eight last night? Yes, I was. / No, I wasn’t. (2)Was he having breakfast at seven this morning? Yes, he was. / No, he wasn’t. 4. 特殊疑问句：疑问词+w as/w ere+主语+doing+其它？ 三、时间标志词 1. at+具体时刻+过去时间(at five last Saturday) 2. at this time+过去时间(at this time yesterday) 3. 过去时间段(from nine to ten last evening) 4. at that time/moment 5. when &while 引导的过去时间状语从句 四、现在分词复习 动词 ing 的基本变化规则 1. __________________, 如 do—doing 2.___________________, 如 have—having, come—coming 3. __________________________________________________ 如: shop—shopping, skip—skipping, run--- running 口诀： 停止游泳， ___________ _____________ 开始跑步和跳绳， ___________ _____________ ___________ 到达商店购物， ___________ _____________ 忘记坐下切蛋糕。 __________ _____________ ___________ 口诀： 现在分词 ing, 变法有三般。 一般直接加，见 e 去 e 加。 重读辅元辅，双写尾字母。 五、特殊句型——when &while 引导的过去时间状语从句 短：短暂性动作(用一般过去时) 长：持续性动作(用过去进行时) 1. 口诀：when 后可长亦可短，while 后只可长 When the thief came in, I was sleeping. The thief came in, when I was sleeping. The thief came in, while I was sleeping. 2. 口诀：若是两个都为长，while 来把纽带当 While the thie...
