过去进行时讲解ppt课件

1、 根本概念：过去进展时表示在过去某一时辰或某一段时间内进展或发生的动作。 如今分词的构成1) 普通动词在词尾加- ing, 读i,如go - going。2) 以不发音字母e结尾的动词,先去掉e,再加-ing。 come - coming make-making write - writing 3) 以重读闭音节结尾的动词,假设末尾以一个辅音字母结尾,应先双写这个字母,再加ing, x和w结尾的除外。如: get - getting swim - swimming show - showing 4) 以字母y结尾的单词,直接加ing。 如carrying、playing、studying。 5

2、) 以字母ie结尾的动词,变ie为y,再加ing。 diedying lielying用法1. 过去进展时的根本用法主要表示过去某一时间正在进展的动作。 如： He fell asleep when he was reading. 他看书时睡着了。 2. 过去进展时表示如今主要是为了使语气委婉、客气。 如： I was wondering if you could give me a lift. 我不知他能否让我搭一下车 【注】普经过去时也有类似用法，但比较而言，用过去进展时显得更客气，更不一定。能否让我搭一下车。 3. 过去进展时表示感情颜色与如今进展时类似，过去进展时也可表示称心、称誉、诧

3、异、厌恶等感情颜色，也通常与 always, forever, continually等副词连用。 如： They were always quarrelling. 他们老是吵架。 4. 动词be的过去进展时也可表示过去一时的表现或暂时的形状。 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)普经过去时与过去进展时的区别 1、普经过时往往表示某一动作曾经完成，、普经过时往往表示某一动作曾经完成，而过去进展时却表示动作在继续或未完成。而过去进展时却表示动作在继续或未完成。 比较：比较：

4、She wrote a letter to her friend last night. 她昨晚给朋友写了封信。她昨晚给朋友写了封信。 (信写完了信写完了) She was writing a letter to her friend last night. 她昨晚不断在给朋友写信。她昨晚不断在给朋友写信。 (信不一信不一定写完定写完) 2、普经过去时表示只做一次动作，而过去进展时却表示动作反复地进展。 如： She waved to me. 她朝我挥了挥手。 She was waving to me. 她不断朝我挥手。 3、句中有、句中有a moment ago，this morning,

5、the whole morning, all day yesterday, from nine to ten last evening, when, while , at that time, just now之类的短语普通用普经过去时。过去进展时可之类的短语普通用普经过去时。过去进展时可以用来替代普经过去时，表示更为偶尔而非以用来替代普经过去时，表示更为偶尔而非预定的动作预定的动作I was talking to Tom the other day 那天我跟汤姆聊天来着。那天我跟汤姆聊天来着。 典型的例子 1) Mary _ a dress when she cut her finger.

6、A. made B. is making C. was making D. makes 答案C. 割伤手指是已发生的事情，运用过去时。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，因此用过去进展时。 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，意为当之时。描画一件事发生的背景时，用过去进展；一个长动作发生的时候，另一个短动作发

7、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，后跟描画词，如：fall sick。以以when, while及及as引导的时间状语从句引导的时间状语从句 延续性动词：指动作可以延续一段时间，延续性动词：指动作可以延续一段时间，而不是瞬间终了。而不是瞬间终了。 如：如：work、study、drink、eat等。等。非延续性动词：指动作极为短暂，瞬间非延续性动词：指动作极为短暂，瞬间终了如：终了如：start、begin、jump、knock等。等。 1. 当从句中的谓语动词是 继续性的动作时, 用while, when或as 引导。Eg：I was d

8、rawing the picture when my friend came.Jone was talking with his classmates when teacher called him. 当从句中的谓语动词表示瞬间动作时,不可用while。 Eg : He was on the point of leaving when someone knocked at the door. 假设议论两个长动作,最常用的是while。 Eg:While John was sitting biting his nails,I was working out a plan to get us ho

9、me.假设表示两个短动作或事件假设表示两个短动作或事件同时发生同时发生,常用常用as或或just as,也可用也可用when。 Just as he caught the ball, there was a tearing sound 当他抓住球的时候当他抓住球的时候,有一种撕裂的声音。有一种撕裂的声音。 6. Tom burnt his hand when he _ the dinner. A. cooked B. was cooking C. has been cooking D. had cooked 留意留意:在上述所列的动词中在上述所列的动词中,个别的也能用个别的也能用进展时态进展时

10、态,但其词义发生了转变但其词义发生了转变. I hear the girl singing. We are hearing a talk on the history of America. I have a computer. I am having lunch.Mary _ a letter last night.玛丽昨晚整晚都在写信。玛丽昨晚整晚都在写信。Mary _ a letter last night.玛丽昨晚写了封信。玛丽昨晚写了封信。was writingwrote1.He _ (not work) at that time.2.When the teacher _ (come

11、) in, they _ (talk) loudly.3.What _ you _ (read) last night?4.His mother _ (return) while he _ (do) his homework.5.My father _ (watch) TV while my mother _ (cook).用动词的适当方式填空用动词的适当方式填空(普通如今时、过去普通如今时、过去时、未来时、如今进展时、过去进展时时、未来时、如今进展时、过去进展时1. She _ (do) her homework this time yesterday.2. The teacher _ (h

12、elp) his students with their lessons now.3. He _ (make) progress every day.4. She _ (read) a story-book at seven yesterday evening.5. It _ (rain) hard now.6. The students _ (get) ready for the picnic these days.was doingis helpingmakeswas readingis rainingare getting7.They _ (visit) the science muse

13、um next Monday.8.Look, they _ (play) video games.9.We _ (do) some cleaning at that time.10._ the students _ (like) learning English?11._ you _ (have) a good time last Sunday?will visitare playingwere doingDo likeDid have12. _ he _ (study) English from 7 to 9 last night?13. Listen, she _ (sing).14. H

14、e _ (not work) in the factory these days.15. Its eight oclock. The students _ (have) an English lesson.Was studyingis singingisnt workingare having 单项选择题 1. My brother _ while he _ his bicycle and hurt himself. A. fell, was riding B. fell, were riding C. had fallen, rode D. had fallen, was riding2.

15、Tom _ into the house when no one _.A. slipped, was looking B. had slipped, looked C. slipped, had looked D. was slipping, looked 3.The last time I _ Jane she _ cotton in the fields. A. had seen, was picking B. saw, picked C. had seen, picked D. saw, was picking 4.I dont think Jim saw me; he _ into s

16、pace. A. just stared B. was just staring C. has just stared D. had just stared 5.I first met Lisa three years ago. She _ at a radio shop at the time. A. has worked B. was working C. had been working D. had worked 6.-Hey, look where you are going! -Oh, Im terribly sorry._. A. Im not noticing B. I was

17、nt noticing C. I havent noticed D. I didnt notice 7. The reporter said that the UFO _ east to west when he saw it. A. was traveling B. traveled C. had been traveling D. was to travel 8. I _ my breakfast when the morning post came. A. had B. had been having C. have been having D. was having 填入以下单词的正确

18、方式 1. It was warm, so I _off my coat (take). 2. John_ (take) a photograph of me while I _(not/look). 3. Jane_(wait) for me when I _(arrive). 4.When I was young, I_(want) to be a bus driver. 5. My brother came into the bedroom while I _ (dance). 6. _he _ (lie) on the ground at nine yesterday evening?

19、 7. What _ Jim _ (write) when the teacher came in? 8. The Reads _ (not have) lunch when I got to their house. 9. Mike and I _(play) basketball at that time yesterday afternoon. 按要求转换以下句型。 1. We were having a PE class at four yesterday afternoon.改为否认句 We _ _ a PE class at four yesterday afternoon. 2.

20、 Kate was reviewing her lessons at eight last night.改为普通疑问句，并做肯、否认回答 _ 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 _ _ they _ at

21、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? 以以when, while及及as引导的时间状语从句引导的时间状语从句 延续性动词：指动作可以延续一段时间，延续性动词：指动作可以延续一段时间，而不是瞬间终了。而不是瞬间终了。 如：如：work、study、drink、eat等。等。非延续性动词：指动作极为短暂，瞬间非延续性动词：指动作极为短暂，瞬间终了如：终了如：start、begin、jump、knock等。等。 1. 当从句中的谓语动词是 继续性的动作时, 用while, when或as 引导。Eg：I was drawing the picture when my friend came.Jone was talking with his classmates when teacher called him. 当从句中的谓语动词表示瞬间动作时,不可用while。 Eg : He was on the point of leaving when