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(共24张PPT)
Unit 8 Safe and Sound
Grammar
The Smith family
Lead in
Before the earthquake
Mr. Smith is watching TV.
Mrs. Smith is reading a book.
Their daughter is doing her homework.
Their son is playing with his dog.
The Smith family
Lead in
Before the earthquake
Mr. Smith was watching TV.
Mrs. Smith was reading a book.
Their daughter was doing her homework.
Their son was playing with his dog.
at 8:00 p.m. last night
Past continuous tense (过去进行时)
Presentation
Before the earthquake
Mr. Smith was watching TV.
Mrs. Smith was reading a book.
Their daughter was doing her homework.
Their son was playing with his dog.
at 8:00 p.m. last night
When do we use it
Talking about things that were happening at a particular time in the past.
Mr. Smith was watching TV.
Mrs. Smith was reading a book.
Their daughter was doing her homework.
Their son was playing with his dog.
The Smiths were doing different things.
Presentation
Can you work out the rule
positive sentences:
be (was/were) + v-ing
Before the earthquake
Another snowstorm hit (撞击、袭击）Harbin. Simon is asking his grandpa about plete their conversation with the correct forms of the verbs in brackets.
was getting
was reading
was snowing
were enjoying
was watching
were visiting
Practice
Simon: Hello, Grandpa. How was your day
Grandpa: Not bad. Thank you, Simon. We just had the third snowstorm of this winter, It （1）________________ (get) stronger while I （2）_______________(read) the newspaper at about 7 this morning. What about you, Simon
SIMON: We're all very well, Grandpa. It（3）_______________ (snow) here in
Beijing when we went to the Palace Museum during the day. Lots of
people（4）_______________((enjoy) the beauty of the Palace Museum in the snow.
Grandpa: Sounds nice. Maybe I （5）_______________
(watch) the wonderful view on TV while you
（6）_______________(visit) there.
Simon: Yeah, it was really wonderful.
Come and take a look by yourself next time.
Mr. Smith was not reading a book.
Presentation
Were the Smiths having a good time
Yes, they were.
No, they weren’t.
work out
the rule!
“yes or no” questions: Was/ Were +S+doing+... Yes, …was/were.
No,…wasn’t/weren’t.
negative sentences: S+was/were not+doing+...
Before the earthquake
Presentation
What can you see in the video
During the earthquake
Suddenly, the ground started to shake.
The weather
The people
The houses
It was raining heavily.
The wind was blowing hard.
People were running.
The houses were shaking.
Pieces of glass and bricks were raining down.
Presentation
During the earthquake
When else do we use it
Talking about things that were happening during a certain time in the past.
What were people doing
What was shaking
Who were running
Presentation
During the earthquake
work out
the rule!
“wh-” questions：“Wh-”+was/were+S+doing +...
Past continuous tense 过去进行时
（1）定义：
（2）基本结构：
（3）否定式：
（4）一般疑问句及回答：
（5）特殊疑问句：
Conclusion
表示在过去某一时刻或某一时间段内正在进行或发生的动作。
was/were + doing
was/were not + doing
was not = wasn’t
were not = weren’t
Was/Were…doing Yes, …was/were.
No,…wasn’t/weren’t.
疑问词 + was/were +主语 + V-ing …
Practice
During the earthquake
What were Mr. Smith’s other family doing then
A: What was/ were ...doing
B: ... was/ were...
do the dishes
drive a car
dance on the square
go jogging
1. When the earthquake hit, he was doing the dishes.
2. I was driving home at that time yesterday.
3. The grandmother was dancing from 7:00 to 8:00 yesterday evening
4. They were going jogging at 8:00 p.m. yesterday.
Presentation
During the earthquake
work out
the rule!
通常用于过去进行时的时间状语：
① at 8:00 p.m. yesterday，at this/that time yesterday ；
② the whole afternoon, from 7 to 8 last night ；
③ 由when/while/as 引导的 时间状语
The Smith family
When/As the earthquake hit , Mr. Smith was watching TV.
While Mrs. Smith was reading, the house began to shake.
while, when and as :“当……的时候”
Presentation
During the earthquake
Mr. Smith’s sister was driving when/as the earthquake started.
As/When/While Mr. Smith’s father was doing the dishes, the house began to shake.
Using while, when and as.
Presentation
During the earthquake
(long action)
(short action)
(long action)
(short action)
过去进行时
一般过去式时
过去进行时
一般过去式时
work out
the rule!
We use while/when/as before long actions, and when/as before short actions. We use “was/were doing” for long actions, and “did” for short actions.
Practice
During the earthquake
The earthquake hit.
while
when/as
The earthquake hit while Mr. Smith’s mother was dancing.
Mr. Smith’s brother was going jogging when/as the earthquake hit.
Presentation
After the earthquake
The earthquake caused a terrible mess. However, different people were trying to help out.
We were watching in fear while the firemen were putting out the fire.
(long action)过去进行时
(long action)过去进行时
Rescuers were moving broken bricks carefully while doctors
were giving first aid to the injured people nearby.
(long action)过去进行时
(long action)过去进行时
work out
the rule!
We only use while when two long actions are happening at the same time, and we use “was/were doing” for both
Practice
After the earthquake
give out things
put up tents
comfort the scared children
search for the survivors
while
Conclusion
连词 从句动词特征 主从句时态搭配
while
when
as
延续性
主过进，从过进
主过，从过进
短暂/延续均可
主过，从过进
主过从过
主过进，从过
短暂/延续均可
主过，从过进
主过从过
主过进，从过
Joy after the snowstorm
was snowing
was blowig
drew
were clearig
got
were enjoying
Practice
Harbin woke up to a winter wonderland last week, There Was a big snowstorm.
When I got up on Saturday morning, it (1)_____________(snow)
heavily. The wind (2)_____________(blow) hard all morning, but that
just meant more time for fun inside with my family.
It stopped snowing in the afternoon. Guess what I did I built a
snowman! I (3)_____________(draw) a big smile on his face, put my hat
on his head and took a photo. It was almost time for dinner, so I went
home.Some people in the neichbourhood (4)_____________(clear) the
snow from the streets.
When I got home, my parents (5)_____________(get) dinner ready.
While we(6)_____________(enioy)our meal, it began to snow again. It
was so nice to have hot jiaozi on a cold day!
Practice
---A:What was the person doing when the tsunami wave(海啸)/snowstorm/flood/
arrived
---B: He/ She was...
Are these actions right
Besides the earthquake, there also other natural disasters.
Thinking
What should we do to
keep ourselves safe when emergencies or natural disasters happen
Practice
“Imagine you were in a natural disaster or an emergency . Write 3-5 sentences to describe what you and your family members WERE DOING when it happened.”
It was ...(time). I was (verb-ing)...
My father was (verb-ing)... while my mother was (verb-ing)...
Suddenly, (the disaster)happened/began,...
Homework
Must do:
Draw a mind map about the past continuous tesnse.
Choose to do:
Watch a two-minnute video of natural disasters, describe people’s actions and give some advice.
ple’s actions and give some advice.

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