Module 8 Accidents Unit 3 Language in use . 课件（共23张PPT，无音频）

(共23张PPT)
Module 8 Accidents
Unit 3 Language in use
Guess :What was I doing at that time ?
I was reading a newspaper at that time .
What were you doing when I came in ?
We were reading books when you came in.
(过去进行时)
过去进行时表示过去某一时刻或某段时间正在进行的动作。过去进行时由"was / were + 动词-ing形式"构成。
What was she doing at that time?
She was eating ice cream.
What was he doing at that time?
He was taking out the rubbish.
Guessing

What were they doing ?
When he watched TV,what was his son doing ?
When he watched TV, his son was riding a bike .
or
While his son was riding a bike ,
he watched TV
While he was cutting vegetables, the telephone rang.
When the telephone rang, he was cutting vegetables
While he was cutting vegetables ,what happened?
While they were dancing, he drank water.
They were dancing when he drank water.
Both of them mean “当……的时候”.
Are they the same?
No ！！！
when and while
区别 when while
时态

时间

动词

顺序
一般过去时 过去进行时
时间点或段 时间段
短暂或延续性 延续性
同时或先后 同时





4a
Look at the table and write sentences with both while and when.
While John was taking photos, Mary bought a drink.

John was taking photos when Mary bought a drink.
A write a sentence ,using the simple past.
（一般过去时 ）
Example :I left the house .
B write a sentence ,using the past present progresive. (过去进行时)
Example: I was washing the dishes.
A: When I left the house , you were washing the dishes.

B: While I was washing the dishes, you were left the house .
试比较:
David wrote a letter to his friend last night.
大卫昨晚给他朋友写了封信。（信写完了）

David was writing a letter to his friend last night.
大卫昨晚在给他朋友写信。（信不一定写完）
What was she doing at that time?
She was sweeping the floor.
What did she do last weekend?
She washed the dishes .
The same：动作都是发生在过去
Compare
区别 一般过去时 过去进行时
意义 过去发生的动作或存在的状态 过去某个时刻动作正在进行
形式 动词过去式 was\were+v-ing
4b
Fill in the blanks with was, were, when or while.
At 7:00 a.m., I woke up. _______ I ______ making my breakfast, my brother _______ listening to the radio. __________ I was eating, the radio news talked about a car accident near our home. My brother and I went out right away to have a look. _______ we got to the place of the accident, the car ______
while
was
was
While
When
was
in bad shape from hitting a tree. But luckily, the driver _______ fine. The roads ________ icy because of the heavy snow from the night before.
was
were
4c
What were you doing at these times last Sunday? Fill in the chart. Then ask your partner.
You Your partner
9:00 a.m.
11:30 a.m.
4:00 p.m.
9:00 p.m.
Summary
Past Progressive Tense (过去进行时)
Function (功能)：
Form（形式） ：
过去进行时表示过去某一时刻或某段时间正在进行的动作。
was / were + 动词-ing
区别 when while
时态

时间

动词

顺序
一般过去时 过去进行时
时间点或段 时间段
短暂或延续性 延续性
同时或先后 同时