人教版八下-Unit 5 what were you doing when the rainstorm came -Section A Grammar focus 4a—4c-ppt课件-(含教案+视频+素材)-市级优课-(编号：300df).zip

过去进行时 ThePastContinue Tense 过去进行时的定义 1 1 过去进行时的结构 2 2 3 3 过去进行时的标志词 4 4 when和while用法辨析 5 5 一些动词不用过去进行时态 一般现在时和过去进行时辨析 6 6 过去进行时的定义 1 1 过去进行时表示过去某一时刻或某一段时间内正在进行或 发生的动作。 通常句子一定会有一个“表示过过去某个时间时间 ”的状语语。 如： She was reading a book at 10 a.m. yesterday morning. He was shopping from 8 to 9 last night . 过去进行时的结构 2 2 S(S(主语主语) + ) + was / were +v.-ing was / were +v.-ing + + 其它其它 。 否定 形式 问句 形式 was/were+not+doing Was/Were+主+doing? was/were+doingHewassleepingatthattime. Hewasntsleepingatthat time. Washesleepingatthattime? 肯定 形式 过去进行时的标志词 3 3 1、then,atthattime,thistimeyesterday, at5oclocklastnight, 2、allnight,allthemorning, from7:00to9:00yesterday; 3、when或while引导的时间状语从句 when和while用法辨析 4 4 （1）. when 的用法：状语从句表示短时间的动作，主句 常用进行时态。 A was/were doing sth. when B did sth 长时动作长时动作短时动作短时动作 Lileiwasdrawingwhentheteachercamein. When I came in, he was reading the newspaper. 过去进行时和 When 连用 A was/were +doing sth when B +did sth. 长时动作长时动作短时动作短时动作 （2）. while的用法 从句用过去进行时，主句用一般过去时； 主句和从句都用过去进行时。 A did sth. while B was/were doing sth. A was/were doing sth. while B was/were doing sth. While I was watching TV, Tom came in. While I was watching TV, she was doing some cleaning. 过去进行时和 while 连用 A was/were +doing sth while B + was/were +doing sth 长时动作长时动作 长时动作长时动作 1.I_myhomeworkwhenMike_last night. 昨天晚上迈迈克来的时时候我正在写作业业。 2.WhileAnn_TV,herfather _home. 安正在看电视时电视时 ，她父亲亲回来了。 wasdoingcame waswatching came 3.WhatwereyoudoingwhenI_atthedoor? 我敲门门(knock)的时时候你在干什么？ 4.She_theroomwhenI _toseeher. 我去看她的时时候她不是在打扫扫房间间。 wasntcleaning went knocked 注：下列四类动词类动词 通常不用过过去进进行时时。 表示存在、状态态的动词动词 be、seem等； 感官动词动词 ：feel,hear,see,smell,taste等; 表示思维维或心理状态态的动词动词 ：love,hate,believe, forget,consider,know,remember,want等； 表示一次性动动作的：allow,decide,refuse等。 5、一些动词一般不使用过去进行时 一般现在时和过去进行时辨析 6 6 (1).用法不同 过去进行时一般过去时 1. 表示动作在持续或未完成。1. 表示某一动作已经完成。 2. 表示动作反复地进行。2. 表示只做一次动作。 She was writing a letter to her friend at eight last night. She wrote a letter to her friend last night. (信不一定写完) (信写完了) She waved to me. She was waving to me. （挥了挥手） （反复挥手） (1).用法不同 (2).标志词不同 过去进行时一般过去时 过去时间点：atthattime, thistimeyesterday,at7 oclockyesterdayevening等 。 过去时间点：justnow, yesterday,thismorning, threeyearsago等。 过去时间段：fromsixto nineyesterday,from morningtillnight,allthose days等。 过去时间段：inthepast,in +过去的年份,lastweek, onceuponatime等。 Wewerehavingsupperatthistimeyesterday. Itwasrainingallthosedays. IwasreadingEnglishwhilemymotherwascookingbreakfast. （过去进行时） IlivedinBeijingthreeyearsago. ThefirstOlympicGameshappenedin1896. Annyusedtobeshort,butshebecomestallernow. （一般过去时） 【典例1】Little Tom _ computer games when his mother got home. A. is playing B. plays C. was playing D. playing 考查时态。句意：当妈妈到家的时候，小汤姆正在玩电 脑游戏。when引导时间状语从句，主句多用进行时，时 间发生在过去，故用过去进行时。 【典例2】 Turn off the water while you _ your teeth or washing your hands. A. were brushing B. brush C. are brushing D. brushed 考查时态。句意：当你刷牙或洗手的时候，请关掉水龙头 。while引导时间状语从句，时态保持一致，brushing与 washing并列；习惯的动作，故选现在进行时。 【典例3】I called you at 8:00 yesterday evening, but no one answered. Sorry, I _ clothes at that time. A. wash B. washed D. am washing D. was washing 考查时态。句意：昨晚八点我打电话给你，但是没有 人接。不好意思，那个时候我正在洗衣服。at that time为过去进行时标志词，选用was/were doing。 ( )1.I first met Lisa three years ago. She _ at a radio shop at that time. A. will work B. was working C. works D. is working ( )2.What _ Mike _ at 10:00 last night ? A. did , do B. will , do C. is ,doing D. was , doing ( )3.-Where is Lucy now ?- Look ! She _TV with her mother in the living room . A. is watching B. watching C. was watching D. watched B D A at that time at 10:00 last night now 三、困惑与建议三、困惑与建议 选择题选择题 ( )1. I _ a meal when you _ me. A. cooked, were ringing B. was cooking, rang C. was cooking, were ringing D. cooked, rang ( )2. He said he _ to draw a plane on the blackboard at that time. A. tries B. tried C. was trying D. will try 一、学习指南一、学习指南 课题名称课题名称 TheThe PastPast ContinueContinue TenseTense 达成目标达成目标 通过观看微课教学视频、完成自主学习任务单规定的任务。理解 掌握过去进行时态的具体用法。 学习方法建议学习方法建议 温馨提示：根据自己的学习水平，把握完成速度。请一定要认真观看， 积极思考问题，提出有创新价值的问题，我们一同讨论解决。 二、学习任务二、学习任务 TheThe PastPast ContinueContinue TenseTense 通过观看微课教学录像自学，完成下列学习任务：通过观看微课教学录像自学，完成下列学习任务： 任务一任务一: 过去进行时态的定义：过去进行时态的定义： 表示过去的某一_或者某一_ , _发生的动作。 任务二任务二: 过去进行时态的结构：过去进行时态的结构： 主语+ _/_ +V+_ +其它。 任务三任务三: 过去进行时态的时间标志性词语通常有三种：过去进行时态的时间标志性词语通常有三种： 1、过去的时间点：如：_ 2、过去的时间段：如：_ 3、由_ 和_ 引导的时间状语。 任务四任务四: when 和和 while 用法辨析：用法辨析： 1、When 通常接_ 动作，一般使用_ 时态。 2、 While 通常接_ 动作，一般使用_ 时态。 任务五任务五: 有些动词没有过去进行时态：有些动词没有过去进行时态： 1、感官动词：如：_ 2、情感动词：如：_ 任务六任务六: 一般过去时态与过去进行时态的区别：一般过去时态与过去进行时态的区别： 1、用法不同： 过去进行时表示动作_或者_ 一般过去时表示动作只做_或者_ 2、时间标志不同： 过去进行时（详见任务三） 一般过去时：时间点：_ 时间段：_ ( )3. While she _ TV, she _ a sound outside the room. A. was watching, was hearing B. watched, was hearing C. watched, heard D. was watching, heard ( )4. They _ a football game from 7 to 9 last night. A. were watching B. watch C. watched D. are watching ( )5. What book _ you _ when I _ you at four yesterday afternoon? A. did, read, was seeing B. did, read, saw C. were, reading, saw D. were, reading, was seeing ( )6. It was Friday evening. Mr and Mrs. Green _ ready to fly to England. A. are getting B. get C. were getting D. got ( )7. Lei Feng _ always _ of others when he _ in the army. A. is, thinking, was B. was, thinking, is C. did, think, is D. was, thinking, was ( )8. A girl _ my pen fall off the table when she _ me. A. saw, passed B. was seeing, passed C. was seeing, past D. was seeing, was passing ( )9. We _ for Tom at ten last Sunday. He often kept us _. A. were waiting, waiting B. were waiting, wait C. waited, waiting D. waited, wait ( )10. He _ his father on the farm the whole afternoon last Saturday. A. helps B. would help C. was helping D. is helping ( )11. While mother _ some washing, I _ a kite for Kate. A. did, made B. was doing, made C. was doing, was making D. did, was making ( )12. _ you angry then? They _ too much noise. A. Are, were making B. Were, were making C. Are, made D. Were, made ( )13. He _ some cooking at that time, so he _ me. A. did, heard B. did, didnt hear C. was doing, heard D. was doing, didnt hear ( )14. This time yesterday Jack _ his bike. He _ TV A. repaired, didnt watch B. was repairing, watched C. repaired, watched D. was repairing, wasnt watching ( )15. His parents wanted to know how he _ on with his new classmates. A. was getting B. gets C. is getting D. will get ( )16. What were you doing this time yesterday?I _ on the grass and drawing a picture. A. sit B. sat C. am sitting D. was sitting ( )17. While I _ TV, the bell rang. A. watch B. watched C. am watching D. was watching ( )18. Why didnt you answer my telephone yesterday? Sorry. I _ a bath. A. took B. take C. am taking D. was taking ( )19. While the boy _ a bag, the girl called the police. A. was buying B. bought C. buys D. is buying