过去进行时(已改精讲).ppt

1、过去进行时,The Past Continous Tense,基本概念：过去进行时表示在过去某一时刻或某一段时间内进行或发生的动作。 基本结构 主语+was/were + doing +其他内容 注:doing 就是现在分词，词形变化与现在进行时相同,V-ing 变化规则：1）一般加 ing . 如: play-playing 玩 watch-watching 看2）以不发音的e 结尾,去e 加ing. 如: take-taking 拿 make-making 做 come-coming 来 live-living 居住3）重读闭音节，末尾只有一个辅音字母，先双写再加ing 。如： run-r

2、unning 跑 cut-cutting 切 swim-swimming 游泳sit-sitting 坐 get-getting 获得 shop-shopping 购物 stop-stopping 停止 win-winning 赢 put-putting 放 forget-forgetting 忘记 begin-beginning 开始,常用的时间状语 -判断标志,this morning, the whole morning, all day yesterday, at that time from nine to ten last evening, when, while , just n

3、ow， at 7 p.m. last night|yesterday,句 型 变 化,肯定句： 主语+was/were +doing +其它 否定句: 主语+was/were +not +doing +其它 一般疑问句: Was/Were+主语+doing+其它 特殊疑问句: 特殊疑问词+was/were+主语+doing+其它,1.I was singing songs yesterday morning. 否定句：_ 一般疑问句：_ 2. They were drawing pictures when the teacher came in. 否定句：_ 一般疑问句：_ 3. She wa

4、s washing the window when the telephone rang. 否定句：_ 一般疑问句：_,按要求转换下列句型。 1. We were having a PE class at four yesterday afternoon.（改为否定句） We _ _ a PE class at four yesterday afternoon. 2. Kate was reviewing her lessons at eight last night.（改为一般疑问句，并做肯、否定回答） _ Kate _her lessons at eight last night? _ ,

5、 she _. _ , she _ .,其 它 用 法,1. 过去进行时表示现在主要是为了使语气委婉、客气。 如： I was wondering if you could give me a lift. 我不知你能否让我搭一下车 【注】一般过去时也有类似用法，但比较而言，用过去进行时显得更客气，更不肯定。能否让我搭一下车。,2. 过去进行时表示感情色彩与现在进行时相似，过去进行时也可表示满意、称赞、惊讶、厌恶等感情色彩，也通常与 always, forever, continually等副词连用。 如： （1）、 They were always quarrelling. 他们老是吵架。 （

6、2）、 My father was always smoking when he was young.,3. 动词be的过去进行时也可表示过去一时的表现或暂时的状态。 比较： He was friendly. 他很友好。 (指过去长期如此) He was being friendly. 他当时显得很友好。(指当时一时的表现),S1: What were you doing while Li Jie was getting ready to go out? S2: I was sleeping while Li Jie was getting ready to go out. S1: What

7、were you doing while she was tavelling on the underground? S2: I _ while she was travelling on the underground.,While用法：表示在过去的某个时间，前后两个动作是同时进行的。,如果主要动作和背景动作都是延续的或同时发生的，那么主从句的动词都可用过去进行时,Practice,When和while用法： 描述一件事发生的背景；一个长动作发生的时候，另一个短动作发生。 My brother fell while he was riding his bicycle. It was rain

8、ing when they left the station.,短,短,长,长,过去进行时常与when, while连用，意思是 当之时。 while后面一般跟延续性动词，常用进行时； when后面既可跟延续性动词，也可跟瞬间动词，常用过去式。,一般过去时与过去进行时的区别,1、一般过时往往表示某一动作已经完成，而过去进行时却表示动作在持续或未完成。 比较： She wrote a letter to her friend last night. 她昨晚给朋友写了封信。 (信写完了) She was writing a letter to her friend last night. 她昨晚一

9、直在给朋友写信。 (信不一定写完),2、一般过去时表示只做一次动作，而过去进行时却表示动作反复地进行。 如： She waved to me. 她朝我挥了挥手。 She was waving to me. 她一直朝我挥手。,3、句中有a moment ago之类的短语一般用一般过去时。 4、句中有at this time last Sunday, from 8 to 9 yesterday 之类的状语一般用过去进行时。过去进行时可以用来代替一般过去时，表示更为偶然而非预定的动作： I was talking to Tom the other day 那天我跟汤姆聊天来着。,典型的例子,1) M

10、ary _ a dress when she cut her finger. A. made B. is making C. was making D. makes 答案C. 割伤手指是已发生的事情，应用过去时。同 时，when表时间的同时性，玛丽在做衣服时提供事情发生的背景，因此用过去进行时。,2) As she _ the newspaper, Granny _ asleep. read； was falling B. was reading； fell C. was reading； was falling D. read；fell 答案B.句中的as = when, while，意为当

11、之时。描述一件事发生的背景时，用过去进行；一个长动作发生的时候，另一个短动作发生。句意为 在她看报纸时，奶奶睡着了。句中的 fell (fall的过去时)，是系动词，后跟形容词，如：fall sick。,用所给动词的正确形式填空： Do you know what they _ (do) this time yesterday? They _ (have) supper when we _ (go) into the room. It _ (rain) from 7 to 9 last night. When she _ (arrive) I _ (telephone) Harry. What

12、 _ you _ (do) yesterday at 7 pm? When I _ (go) downstairs (楼下), they _ (eat) breakfast. When we arrived, she _ (make) some fresh coffee. I broke a glass, while I _ (cook) the dinner.,按要求转换下列句型。 1. We were having a PE class at four yesterday afternoon.（改为否定句） We _ _ a PE class at four yesterday after

13、noon. 2. Kate was reviewing her lessons at eight last night.（改为一般疑问句，并做肯、否定回答） _ Kate _her lessons at eight last night? _ , she _. _ , she _ .,3. He ran in the park.（用at this time yesterday改写） He _ _in the park at this time yesterday. 4. They were playing computer games at nine last night.（对划线部分提问）

14、_ _ they _ at nine last night? 5. I was reading a novel at three yesterday afternoon.（对划线部分提问） _ _ you _ at three yesterday afternoon?,填入以下单词的正确形式。 1 It was warm, so I _(take) off my coat. 2 Jane _(wait) for me when I _(arrive). 3 Sue wasnt hungry, so she _(eat) anything. 4 My brother came into the

15、bedroom while I _(dance). 5 _ he _(lie) on the ground at nine yesterday evening ?,took,was waiting,arrived,ate,was dancing,Was lying,Exercise:,6 What _ Jim _(write) when the teacher came in ? 7 Mike and I _ (play) basketball at that time yesterday afternoon. 8 My brother _(fall) while he _(ride) his

16、 bicycle and hurt himself. 9 I first met Lisa three years ago. She _(work) at a radio shop at the time. 10.When I arrived at his office , he _ on the phone. (speak),was writing,were playing,fell,was riding,was speaking,Exercise:,was working,根据汉语提示完成句子。 1 他们那时不在打排球。 They _ _ volleyball at that time.

17、2 当你回来时，他在看电视吗？ _ he _ TV when you came back? 3 昨天中午他在哪里等你？ _ _ he _ for you at noon yesterday ? 4 当我离开时，他正在做家庭作业。 He _ _ his homework when I left. 5 正当他们扫地的时候，老师进来了。 While they_ _ the floor , the teacher came in.,were playing,Was watching,Where was waiting,was doing,were sweeping,Exercise:,(1) I _

18、a shower at that time. A. haveB. had C. am having D. was having (2) As she _ the newspaper, Granny _ asleep. A. read; was falling B. was reading; fell C. was reading; was falling D. read；fell (3) Mary _ a dress when she cut her finger. A. made B. is making C. was making D. makes,Exercises,D,B,C,Exercise,I.用所给动词的适当形式填空。 1.We _ (play) football when it began to rain heavily. 2.You should tell what you _ (do) at eight yesterday. 3.They _ (talk) loudly when the teacher came