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1、Unit 5语法篇_理解并掌握过去进行时的用法过去进行时一、 过去进行时概念过去进行时表示在过去某一时刻或某一段时间内正在进行或一直持续的动作。例如：I was doing my homework at this time yesterday. 昨天的这个时候我正在做作业。I was staying here from March to May last year. 从去年3月到5月，我一直待在这。二、 过去进行时的构成1.was/were + doing (主语是第一人称单数或第三人称单数时用was，其他人称用were)，例如： I was having my breakfast at ha
2、lf past six yesterday morning. 昨天早上六点半，我正在吃早餐。2. 句式变换否定句：在was/were后加not一般疑问句：was/were提前特殊疑问句：特殊疑问词+一般疑问句They were playing basketball the whole afternoon yesterday. 昨天一整个下午，他们都在打篮球。(变否定句；一般疑问句并做肯定、否定回答；对划线部分提问) 否定句：They were not playing basketball the whole afternoon yesterday. 一般疑问句：Were they playin
3、g basketball the whole afternoon yesterday? 肯定/否定回答：Yes, they were. No, they were not.对划线部分提问：What were they doing the whole afternoon yesterday?3.过去进行时常用的时间状语 the whole morning, all day yesterday, from nine to ten last evening, when, while等 4. 过去进行时的用法 (1) 过去进行时表示过去某一时刻或某一段时间正在进行的动作，与过去某一特定的时间状语连用，
4、例如： We were watching TV from seven to nine last night. 昨天晚上七点到九点的时候我们在看电视。 (2) 表示过去一个动作发生时另一个动作正在进行，持续时间长的动作常用过去进行时。例如： It was raining when they left the station. 他们离开车站的时候天正在下雨。 (3) 在复合句中，如果主句动作和从句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，例如： While he was waiting for the bus, he was reading a newspaper. 他边等车边
5、看报。 注意：when和while的区别 when后通常用表示短暂性动词，while后通常用表示持续性动词，因此它所引导的状语从句中，谓语动词常用进行时态。1. -I called you yesterday evening, but there was no answer. -Oh, I am sorry I _dinner at my friends home. A. have B. had C. was having D. have had2. The Reads_lunch when I got to their house. A. was having B. were having
6、C. are having D. is having3. 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 seeing4. We_for Tom at ten last Sunday. He often kept us_. A. were waiting; waiting B. were waiting; waiting C. waited; waiting D
7、. waited; wait5. He said he_ to draw a plane on the blackboard at that time. A. tries B. tired C.will try D. was trying 基础演练一、从方框中选择恰当的词并用其恰当形式完成句子wait for, read, cook, talk, hear , listen 1. When I saw her yesterday, she_the bus.2. My mother_my phone call. She _in the kitchen.3. When he knocked at
8、the door, I _to the music.4. They _the story from 7 to 8 yesterday morning.5. I _with my friend on the phone at 6 yesterday evening. 二、用be动词的适当形式填空1. My CD walkman _in the room this morning. But now it_not there. I cant find it. 2. Tom _not in the classroom now. But he_there a moment ago.3. I _watch
9、ing TV at eight last night.4. It _raining very hard. Wed better stay at home.三、单项选择1. When I got back home yesterday evening, my parents_for me to have dinner.A. wait B.waited C. were waiting D. have waited2. She was riding on ice when suddenly she_off her bike. A. fall B. fell C. falling D. to fall
10、3. Mother_when I got home.A. cooks B. is cooking C. was cooking D. has cooked4. I _my homework_the telephone rang at 8:00 last night. A. was doing; when B. did; when C. was doing; while D. did; while5. While the woman was cleaning the room, the door_.A. open B. is opening C. opening D. opened巩固提高一、根
11、据括号内的汉语提示用恰当的时态完成句子 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. Lily was dancing while Jim_(弹) the piano. 5. I _(走路) in the street when it began to snow. 6. I _(读书)in my room when she came.二、根据中文提示完成句子
12、1. 老师走进教室的时候，学生们正在谈论当天的新闻。 When the teacher came into the classroom, the students_.2. 当你看见他们的时候他们在干什么？ 他们在打扫教室。 -What _when you saw them? -They _the classroom. 3. 当我离开的时候他正在画一幅世界地图。 When I left, he _a map of the world.4. 当我们到达教室时，Linda正在张贴通知。 Linda _the classroom.5. 昨天我直到10点才起床。 I _10:00 yesterday.三、句型转换1. Were they playing basketball outside? (作否定回答)_2. She was swimming in the river at that time. (变否定句)_
