揭秘“过去进行时态”
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一、结构
过去进行时由“be 动词的过去式was/were + 现在分词”构成。主语是第一人称和第三人称单数时使用was， 其它都用were。
二、过去进行时态的时间状语
除了有上下文的暗示以外，过去进行时常与以下时间状语连用：this time yesterday （昨天这时候），at that time （在那时），from 10:00 to 12:00 yesterday （昨天10点到12点），all the morning （整个上午），the whole afternoon （整个下午），when 或while 引导的句子等。例如：
What were you doing from seven to ten o’clock yesterday morning?
昨天上午7点到10点你在做什么？
三、过去进行时态的用法
1. 它表示在过去某一时刻或某一时间内正在进行或发生的动作，通常和表示时间点的时间状语一起用。例如：
I was watching TV at 9:00 yesterday morning.
昨天上午9点我在看电视。
They were climbing the hills behind our school this time last week.
上个星期的这个时候他们正在爬我们学校后面的小山。
2. 表示在过去某一阶段内正在进行或持续进行的动作。例如：
Was Jack visiting his grandparents during the summer holiday?
杰克暑假期间在看望他的祖父母吗？
3. 表示在过去某个动作发生的时候，另一个动作同时也正在进行，那么持续时间长的动作要用过去进行时态。此时，经常和when引导的时间状语从句连用。例如：
When the UFO took off , the little girl was playing with her dog.
当飞碟起飞时，那个小女孩在和她的小狗玩耍。
When we were talking loudly, our Chinese teacher came into the classroom.
当我们正在大声谈论时，我们的语文老师走进了教室。
4.表示两个延续性动作同时进行，多与while 引导的时间状语从句连用。例如：
Tom was reading the magazine while Tony was playing computer games.
汤姆在看杂志，托尼在玩电脑游戏。
5.与always连用，表示一个不断重复的过去的动作。例如：
Lily was always singing at night last year.
丽丽去年晚上老是唱歌。
6.表示位移的动词如go , come , leave , start 等的过去进行时态，可以表示从过去的角度来看即将发生的动作。例如：
She asked whether he was starting the next day.
她问他是否第二天就要动身。
四、过去进行时态的句式变换
变疑问句时，be动词提到主语前；变否定句时，在be 动词后面加not。例如：
Were you washing your hair at that time ?
那时你在洗头发吗？
We weren’t talking about the movie at this time the day before yesterday.
前天这个时候我们没有在讨论电影。
五、与另外两种时态的区别
（一）过去进行时与一般过去时的用法比较
1. 过去进行时表示过去某个时间正在进行的动作，表达动作的未完成性；而一般过去时则表示在过去某个时间发生的动作或存在的状态，往往表示动作已经完成。例如：
She was reading a story book last night.
昨晚她在读一本故事书。（可能没看完）
She read a story book last night.
昨晚她读了一个故事书。（已经看完了）
2. 过去进行时和一般过去时都可表示过去某段时间内发生的动作或情况，但过去进行时通常侧重于动作的持续；而一般过去时则只说明过去发生了某事的事实。例如：
He often went to skate while he was living in Harbin.
他住在哈尔滨的时候经常去滑冰。
He lived in Harbin the year before last.
前年他住在哈尔滨。
（二）过去进行时与现在进行时的用法比较
过去进行时态和现在进行时态虽然都用来表示动作正在进行，但是动作发生的时间不同，当表示过去某个时段或过去某个时刻正在进行的动作时，要用过去进行时态；当表示说话时正在进行的动作时，就要用现在进行时态。例如：
Stop talking! The baby is sleeping.
不要讲话，孩子在睡觉。
The baby was sleeping when his parents cooked dinner.
当孩子的父母做饭时，孩子在睡觉。
【巩固练习】
一、单项选择。
1. Mary_______a dress when she cut her finger.
A. made B. is making
C. was makingD. makes
2. As she_______ the newspaper, Granny_______asleep.
A. read，was falling
B. was reading，fell
C. was reading，was falling
D. read，fell
3. ―Where did you put the keys?
―Oh, I _______I put them on the chair because the phone rang as I_______in.
A. remembered，come
B. remembered， was coming
C. remember， come
D. remember，was coming
4. ―What do you think of the colour of my new skirt?
―Sorry, but what did you say ? I_______ about something else.
A. think B. thought
C. am thinking D. was thinking
5.―I came to your home yesterday afternoon, but nobody was in.
―Oh, we _______ some shopping in the supermarket .
A. have done B. did
C. were doing D. are doing
6. When I went to say goodbye to Anna, she_______ the piano.
A. is playing B. plays
C. was playing D. played
7. ―Dick gave me a note while I _______ in the library.
―I guess he made it to say “Sorry to you” .
A. am reading B. was reading
C. readsD. will read
8. While she_______TV, she_______a sound outside the room.
A. was watching, was hearing
B. watched, was hearing
C. watched, heard
D. was watching, heard
9. 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 seeing
10. Lei Feng _______always_______ of others when he _______ in the army.
A. is, thinking, was
B. was, thinking, is
C. did, think, is
D. was, thinking, was
二、用动词的正确形式填空。
1. The children_______(not play) games at that moment.
2._______those boys_______(listen) to the radio from ten to eleven yesterday evening?
3. He _______(write) to his pen pal when Lily _______(come) in.
4. Last year we_______ (move) from Beijing to Nanjing.
5. What_______he _______(do) while his mother_______(cook) supper?
6. They _______(not make) a model ship when I_______(see) them.
7. He _______(ask) me if I _______(go) fishing that afternoon.
8. When I_______ (come) in the room, he
(not see) me, for he _______ (read) something.
9. There_______(be) a group around the fire when they _______reach) there. An old woman
_______(sit) on the ground near the kettle; two small children_______(lie) near her; a donkey _______(bend) its head over a tall girl.
10. When we_______(arrive) at the village, it_______(get) dark and it_______(rain) hard.
Key：一、1―5 CBBDC 6―10 CBDCD
二、1. were not playing 2. Were, listening 3. was writing, came 4. moved 5. was, doing, was cooking 6. were not making, saw 7. asked, was going/would go 8. came, didn’t see, was reading9. was,reached,was sitting, were lying, was bending 10. arrived, was getting, was raining