过去进行时表示过去某一时刻或过去某一阶段内正在进行的动作。
过去进行时可与表示过去的时间状语连用，如：at 8:00, at that time, at this time yesterday, from 8 to 11 this morning等。
过去进行时也可与when或while引导的时间状语从句连用。
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基本句式
★ 温馨提示★
过去进行时与一般过去时的区别：
过去进行时强调在过去某一时刻或某一时间正在进行的动作，而一般过去时表示在过去某个时间发生的动作或存在的状态。
如：
He was doing his homework in the afternoon. 下午他在做作业。
He did his homework in the afternoon. 下午他做完了作业。
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语法专练按要求完成下列句子，每空一词。
1. Sandy was talking to her friends. (改为否定句)
Sandy ________ ________ to her friends.
2. While we were walking on the street, it began to rain. (用when改写句子)
We were walking on the street _______ _______began to rain.
3. Bob was waiting for a bus when I met him. (对划线部分提问)
________ ________ Bob ________ when youmet him?
4. They swam in the pool yesterday. (用at this time yesterday改写句子)
They ________ ________ in the pool at this time yesterday.
5. Cathy was drawing a picture at nine last night.(改为一般疑问句并作肯定回答)
— ________ Cathy ________ a picture at ninelast night?
— ________, ________ ________.
( ) 6. — Did you hear someone knock at the door just now?
— Sorry. I ________ to my friend on the phone.
A. was talking
B. talked
C. am talking
( ) 7. We ________ TV from seven to nine last night.
A. were watching
B. will watch
C. watched
D. watch
( ) 8. — What’s the matter, Jack?
— I ________ down while I ________ on
the ice. I got hurt badly.
A. was falling; skated
B. fell; was skating
C. fell; skated
D. was falling; was skating
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KEY
1. wasn’t talking
2. when it
3. What was; doing
4. were swimming
5. Was; drawing; Yes; she was
6. A
7. A
8. B
