. 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 oclock 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+was/were +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+was/were +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 wasnt.(2)Was he having breakfast at seven this morning?Yes, he was. / No, he wasnt.4. 特殊疑问句：疑问词+was/were+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/moment5. 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 dodoing2._, 如 havehaving, comecoming3. _如: shopshopping, skipskipping, 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 thief was carrying the TV out, I was sleeping.The thief was carrying the TV out, while I was sleeping.Tips:一般过去时和过去进行时时间标志词的区别：一般过去时：过去的不精确时间过去将来时：过去的精确时间Exercise:一、请写出下列动词的 ing 形式。paint _ draw _play _give _ drive_ make_sit_run_put_ get_ swim_ forget_二、选择题。( ) 1. My parents _ TV in the living room at 9 p.m. yesterday.A. is watching B. watched C. would watch D. were watching ( ) 2. Ben _ at this time yesterday.A. are sleeping B. sleeping C. was sleeping D. slept ( ) 3. I _ breakfast when the morning post came.A. had B. been having C. am having D. was having( ) 4.She the guitar from 2 p.m. to 4 p.m. yesterday afternoon.A. was playing B. playedC. is playing D. plays( ) 5. My brother _ while he _ his bicycle.A. fell, was ridingB. fell, were ridingC. had fallen, rodeD. falls, was riding( ) 6. I _ my breakfast when the morning post came.A. hadB. am havingC. have hadD. was having( ) 7. Jack _ football at the moment.A. was playingB. is playingC. playsD. played ( ) 8. -What were they doing in the living room? - They_ TV.A. are watching B. was watching C. were watching D. watch( ) 9.She _ the guitar from 2 p.m. to 4 p.m. yesterday afternoon.A. was playing B. playedC. is playing D. plays( ) 10.My brother _ while he _ his bicycle.A. fell, was riding B. fell, were riding C. had fallen, rode D. falls, was riding ( )11. Jack _ football at the moment.A. was playing B. is playingC. plays D. played( )12. The dogs _ computer games when I _ in.A. were playing, were comingB. were playing, comeC. were playing, came D. played, was coming三、用所给的词适当形式填空。1. Were you _ (play) games with your father at that moment?2. Amy _ (do) housework at five yesterday.3. Jessica _ (not make) model planes when I came in.4. We _ (have) class while my mother _ (cook) dinner.5. My mother _ (work) from nine to ten last night.6. He _ (listen) to music at this time the day before yesterday.7. What _ you _ (do) at six yesterday morning.8. _ he _ (watch) TV when you came back?9. _ _ he _ (wait) for you at noon yesterday?10. He _ _ (do) his homework when I left.11. While they _ _ (clean) the floor, the teacher came in.12. At seven last night, I _ (watch) the football game.13. Jane _ (wait) for me when I _ (arrive).14. When I saw her, she _ (eat).15. My brother came into the bedroom while I _ (dance).16. Mike and I _ (play) basketball at that time yesterday afternoon.17. My brother _ (fall) while he _ (ride) his bicycle and hurt himself.18. When I arrived at his office, he _ (speak) on the phone. 19. While we _ (watch)TV, the door bell rang.20. I _ (have) dinner when you _