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1、 20142014 年年 Unit5Unit5 语法语法 过去进行时语法知识过去进行时语法知识 1. 基本概念基本概念：过去进行时表示在过去某一时刻或一段时间内正在进行的动作。这一特定的 过去时间除有上下文暗示以外, 一般用时间状语来表示。 2.2. 结构结构 主语主语+was+was / / werewere ( ( notnot ) ) + + 动词动词-ing-ing 3. 句式 肯定式：主语肯定式：主语+was/were+was/were + +现在分词。现在分词。I/He/She/It was working. We/You/They/ were working. 否定式否定式: :
2、主语主语+wasnt/werent+wasnt/werent + +现在分词。现在分词。I/He/She/It was not working. We/You/They/ were not working. 疑问式和简略回答疑问式和简略回答:Was/Were:Was/Were + +主语主语+ +现在分词现在分词? ?Was I working? Yes, you were. No, you were not. Were you working? Yes, I was. No, I was not. Was he/she/it working? Yes, he/she/it was. No,
3、he/she/it was not. Were we/you/they working? Yes, you/we/they were. No, you/we/they were not. 注： 1) was not 常缩略为 wasnt; were not 常缩略为 werent。 2)2) 一般过去时与过去进行时用法的比较一般过去时与过去进行时用法的比较: : 一般过去时表示在过去某个时间发生过的动作或 存在的状态, 而过去进行时则表示在过去某一时刻或某一段时间正在进行的动作。 例如:David wrote a letter to his friend last night. 大卫昨晚给他的
4、朋友写了封信。(信写完了。)David was writing a letter to his friend last night. 大卫昨晚一直在给他的朋友写信。(信不一定写完。)4.4.常与之连用的时间状语：常与之连用的时间状语：at that time/moment, at this time yesterday/last night/week.,at+点钟+yesterday/Sunday.,when sb. did sth.等时间状语从句 StepStep 4 4 过去进行时中的过去进行时中的 whenwhen 和和 whilewhile when 和 while 都可表示“当的时候
5、” ，引导时间状语从句。你知道两者在过去进行时 中的用法有什么不同吗？请仔细观察下面的例句，然后补全空格中的内容。 I was walking to school when I saw a cat in a tree. When Sally arrived home, her mother was cleaning the house. 主句的动作是持续性的，而从句动作是短暂性的，此时用_when_引导时间状语从句， 主句主句用_过去进行过去进行_时态，从句时态，从句用一般过去时态。一般过去时态。 While I was sleeping in the bedroom, someone kno
6、cked at the door. David fell while he was riding his bike. 主句的动作是短暂性的，从句的动作是持续性的，此时用_while_引导从句，主句主句 用用_一般过去一般过去_时态，从句用过去进行时态。时态，从句用过去进行时态。 While Andy was waiting for the bus, he was reading a newspaper. He was cleaning his car while I was cooking.主句和从句的动作在过去的某时刻或某段时间同时发生，而且动作都是持续性的，此时用 _while_引导从句，
7、而且主句和从句都用主句和从句都用_过去进行过去进行_时态。时态。过去进行时练习过去进行时练习( ) 1. What _ your grandfather _ this time yesterday ? A. is . doing B. was . doing C. did . do D. had . done( ) 2. _ you _ a meeting at four yesterday afternoon ? A. Were . having B. Was . having C. Did . have D. Do . have （ ）3. I called you yesterday e
8、vening ,but there was no answer.- Oh, I am sorry I _ dinner at my friends home.Ahave Bhad Cwas having Dhave had ( ) 4. A: Did you notice him come in? No. I _ a football game.A. have watched B. had watched C. am watching D. was watching( ) 5. You must tell us what you _ at ten yesterday evening . A.
9、did B. was doing C. were done D. were doing( ) 6. I _ an old friend of mine when I _ in the street yesterday afternoon. A. met. was walking B. was meeting . walked C. was meeting . was walking D. met . walked ( ) 7. One day when I _ the post office, I _ my uncle. A.pass. say B. was passing . Saw ( )
10、 8.She_ apples in her garden when I_ to see her yesterday.A. picked，went B. was picking， went C. picked，was going D. was picking，was going ( ) 9. She _ the room when I went to see her .A. doesnt clean B. isnt cleaning C. didnt cleaning D. wasnt cleaning ( ) 10. The Reads _ lunch when I got to their
11、house.A . were having B. was having C. are having D. is having 判断下面的题目当中哪些是用过去时 1It _（rain）very hard when we _（get）there yesterday. 2I _（watch） TV at 7:00 P.M. yesterday. 3What _（you do ） at that time? 4She _（have） a bath when the phone _（ring）. 5The students _（make） noises while the teacher _（be） a
12、way. 6I _（read）in my room when she _（come）. 7The baby _（cry ） all morning today. 8We _（have） a good time when suddenly the lights _（go） out. 根据括号内的中文用过去进行时 1. Mum _ （做饭）this time yesterday . 2. What _ they _ （做）at eight yesterday evening? 3. When I got to the factory , the workers _ （谈论）about the film. 4. I _(打扫) the house with mother yesterday. 5. The Reads _ （看）a TV play when the light went out. 7. Lily was dancing while Jim _ （弹）the piano. 8. I _ （走路）in the street when it began to snow .
