过去进行时讲解ppt课件

1、过去进行时,过去进行时： I was walking down the street when it began to rain,I was walking down the street when it began to rain. I was not walking down the street when it began to rain. Were you walking down the street when it began to rain,1关键词：was/were doing 2、句子结构： 肯定句：主语+was/were+现在分词+其他 否定句： 主语+was not/we

2、re not+现在分词+其他 疑问句：was/were+主语+现在分词+其他,肯定句：主语 + was/were + (doing) + 其他. I was playing basketball at 6:30 yesterday. He was playing the piano at that moment. They were doing homework at 8:00 last night,2)否定句：主语 + was/were + not + （doing） + 其他,I wasnt playing basketball at 6:30 yesterday. He wasnt pl

3、aying the piano at that moment. They werent doing homework at 8:00 last night,一般疑问句： Was/Were + 主语 + (doing) + 其他,Were you playing basketball at 6:30 yesterday? -Yes, I was./No, I wasnt. Was he playing the piano at that moment? -Yes, he was./No, he wasnt,特殊疑问句： 特殊疑问词 + 一般疑问句,What were you doing at 8

4、:00pm yesterday? Where was he working at that time,3、标志性词语 （1）at that time. at that moment. yesterday evening （2）以when引导的谓语动词是一般过去时的时间状语,II:用法,1. 表示过去某一时刻正在进行的动作。 今天下午5点的时候，他在打篮球。 He was playing basketball at 5 this afternoon. 当我进去的时候，她正在写一篇作文。 She was writing a composition when I entered,2. 表示过去一段时

5、间内持续进行的动作。 昨天夜里下了一夜的雪。 It was snowing last night. 比较： It was said that she was writing a novel last year. It was said that she wrote a novel last year,据说，她去年一直在写一本小说,0,据说，她去年写了一本小说,3. 常用于介绍故事的背景。 （一） Once an Jack was traveling in the desert. （二）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（长动作用过去进行时，短动作用一般过去时）。也可以

6、表示两个动作同时发生，此时均用过去进行时 When I saw him he was cleaning his room. While he was waiting for the bus, he was reading a newspaper. He was cleaning his car while I was cooking,4. When/ While“当的时候”的区别,when 既指时间点，也可指段时间，while只指段时间，因此when引导的时间状语从句中的动词可以是短暂性动词，也可以是延续性动词，而while从句中的动词必须是延续性动词。 I was listening to

7、the music when she came here. I was listening to the music while she came here,when 说明从句的动作和主句的动作可以是同时，也可以是先后发生；while 则强调主从句动作同时发生。 They were singing while we were dancing,when和while 还可作并列连词。when表示“在那时”；while表示“而，却”，表对照关系。如： a. The children were playing when they heard the sound of a motor bike. b.

8、He is strong while his brother is weak,5.通常不能用于过去进行时的动词主要有：agree, be, believe, belong, care, forget, hate, have(拥有), hear, know, like, love, mean, mind, notice, own, remember, seem, suppose, understand, want, wish等。例如： I was knowing the answer. I knew the answer. I wasnt understanding him. I didnt u

9、nderstand him,一般过去时,1.一般过去时表示一个动作或情况 在过去某个的时间开始和结束. I walked to school yesterday. I bought a new car three days ago,now,walked,bought,2.表示过去经常性的动作或情况。 I often got up at 6:00 last year,英语动词的四种形式： 1、原形 learn 2、过去形式 learned 3、过去分词 learned 4、现在分词 learning,动词的一般过去形式： listenlistened 2.study-studied 3.stop

10、-stopped e-came,二、一般过去时态的构成,Be 动词: (1)肯定句: 主语 + be动词的过去式（was, were）+ (2)否定句： 主语 + be动词的过去式（was, were）+ not (3)疑问句： be动词的过去式（was, were）+ 主语 ？ 实意动词： (1)肯定句：主语+动词过去式+其他 (2) 否定句：主语+did not+动词原形+其他 (3) 一般疑问句：Did +主语+动词原形+其他,For example,She was a teacher five years ago. She was not here last month. Was sh

11、e there last night? I walked to school yesterday. I didnt walk to school yesterday. Did you walk to school yesterday,三、标志性词语,1) yesterday, the day before yesterday, yesterday morning (evening, afternoon) (2) last time last term, last Friday, last month(3) 2 hours ago, a week ago, 3 years ago (4) jus

12、t now = a moment ago (5)in 1989 (6)at the age of 5, one day, long long ago, once upon a time (7) in the past,用一般过去时或过去进行时填空。 1.I dont want to go to the zoo today because it is raining.The same thing happened yesterday. I (want ,not) _ to go to the zoo because it (rain)_,didnt want, was raining,2.I (

13、call)_ Roger at nine last night, but he (be,not)_at home.He(study)_ at the library,called;was not;was studying,3.I(hear,not)_the thunder during the storm last night because I (sleep)_,didnt hear;was sleeping,4.My brother and sister(argue) _ about something when I (walk)_ into the room,were arguing;w

14、alked,6.While Mrs. Emerson(read) _ the little boy a story,he (fall)_a sleep,so she (close) _ the book and quietly (tiptoe)_ out of the room,was reading,fell,closed,tiptoed,Writing practice:假设你目击一起交通事故。警察局让你写一份材料，报告当时所见情况。根据下列图画写出几个句子来描述当时的情景,7.-Nancy is not coming tonight. -But she _! A.promises B.p

15、romised C.will promise D. had promised,链接高考,8.Shirley _ a book about China last year but I dont know whether she has finished it. A.has written B.wrote C.had written D.was writing,9.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.h

16、ad worked,10.I dont think Jim saw me; he _ into space. A.just stared B.was just staring C.has just stared D.had just stared,11.As she _ the newspaper, Granny_ asleep. A.read; was falling B.was reading;fell C.was reading;was falling D.read;fell,12.-You phone number again? I _ quite catch it. -Its 956

17、8442. A. didnt B. couldnt C.dont D.cant,13.-We could have walked to the station,it was so near. -Yes,a taxi _ at all necessary. A. wasnt B. hadnt been C. wouldnt be D. wont be,14.Tom _ into the house when no one _. A. slipped, was looking B. had slipped, looked C. slipped, had looked D. was slipped,

18、 looked,15.The reporter said the UFO _east to west when he saw it. traveled was traveling C. had been traveling D. was to travel,16. -Hey, look where you are going! -Oh, Im terribly sorry._. Im not noticing I wasnt noticing I havent notice I dont notice,17.What a nice bike! Where _ you _ it? do; buy B. have; bought C. did ; buy D. will; buy,18.The students _ busily when Miss Brown went to get a book she _ in the office. had written; left were writing; has left had written; had left were writing; had left,19.Mary _ a dress when she cut her finger. made