《Language in use》Accidents PPT课件
过去进行时
基本概念：过去进行时表示在过去某一时刻或某一段时间内进行或发生的动作。
基本结构
主语+was/were + doing +其他内容
注:doing 就是现在分词，词形变化与现在进行时相同
常用的时间状语：
this morning, the whole morning,
all day yesterday, from nine to ten last
evening, when, while , at that time,
just now
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常见的句式
肯定句：
主语+was/were +doing +其它
否定句:
主语+was/were +not +doing +其它
一般疑问句:
Was/Were+主语+doing+其它
特殊疑问句:
特殊疑问词+was/were+主语+doing+其它
用法：
1. 过去进行时的基本用法主要表示过去某一时间正在进行的动作。 如：
He fell asleep when he was reading.
他看书时睡着了。
2. 过去进行时表示现在主要是为了使语气委婉、客气。 如：
I was wondering if you could give me a lift.
我不知你能否让我搭一下车
【注】一般过去时也有类似用法，但比较而言，用过去进行时显得更客气，更不肯定。能否让我搭一下车。
3. 过去进行时表示感情色彩与现在进行时相似，过去进行时也可表示满意、称赞、惊讶、厌恶等感情色彩，也通常与 always, forever, continually等副词连用。 如：
They were always quarrelling.
他们老是吵架。
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一般过去时与过去进行时的区别
1、一般过时往往表示某一动作已经完成，而过去进行时却表示动作在持续或未完成。
比较：
She wrote a letter to her friend last night.
她昨晚给朋友写了封信。 (信写完了)
She was writing a letter to her friend last night. 她昨晚一直在给朋友写信。 (信不一定写完)
2、一般过去时表示只做一次动作，而过去进行时却表示动作反复地进行。
如：
She waved to me.
她朝我挥了挥手。
She was waving to me.
她一直朝我挥手。
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典型的例子
1) Mary ___ a dress when she cut her finger.
A. made B. is making
C. was making D. makes
答案 C. 割伤手指是已发生的事情，应用过去时。同时，when表时间的同时性，“玛丽在做衣服时”提供事情发生的背景，因此用过去进行时。
2) As she ___ the newspaper, Granny ___ asleep.
A. read; was falling
B. was reading; fell
C. was reading; was falling
D. read; fell
答案B.句中的as = when, while，意为“当……之时”。描述一件事发生的背景时，用过去进行；
一个长动作发生的时候，另一个短动作发生。句意为“在她看报纸时，奶奶睡着了。”句中的 fell (fall的过去时)，是系动词，后跟形容词，
如：fall sick。
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Language practice
While the lights were changing to red, a car suddenly appeared round the corner.
When Henry was trying to find the snake, his hand began to hurt badly.
I was trying to pick it up when it bit me again.
1 Complete the sentences with when or while.
1 He was listening to music ______ he was riding his bike.
2 I was waiting at the lights ______ I saw the boy fall off his bike.
3 I was walking in the street______I saw the accident happen.
4 The driver was talking on his mobile phone_____ he was driving.
... ... ...
Check (√) the true sentences.
1. A car almost hit Jack last week.
2. Jack was talking on his mobile phone when the car hit him.
3. Jack fell down a hole on his way to the park.
4. A friend took Jack to hospital.
5. Jack did not break his arm.
6. The writer wants Jack to be more careful.
Now choose the correct answer
1 What is the best word to describe Jack in the past?
a) Careful b)Caring c) careless
2 How many accidents did Jack have in the passage?
a) One b) Two c) Three
3 How careful is Jack now?
a) He is always careful.
b) He is careful sometimes.
c) He is still careless.
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选择：
1.我在照看孩子.
A. I am looking after the baby.
B. I'm look aftering the baby.
C. I look am aftering the baby.
D. I looking after the baby.
2.你在干什么?
A. What is you doing?
B. What are you do?
C. What are you doing?
D. What do you do?
3. The reporter said that the UFO _____ east to west when he saw it.
A. was traveling B. traveled
C. had been traveling D. was to travel
4.Jack is _____ with Jim. They are good____.
A. running; friend; B. running; friends;
C. runing; friends D. run; friend’s
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Homework
Try to master all the words and expressions in this unit.
Find more information about how to act in accidents.
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