《While the lights were changing to red,a car suddenly appeared》Accidents PPT课件
Lead-in
Look at the picture and fill in the blank.
The boy ________ basketball yesterday.
They _________ basketball at 4 p.m. yesterday.
They ____ a birthday party last night.
They ___________ a birthday party at nine last night.
... ... ...
Listen and underline the correct words.
1. The driver was/was not going fast.
2. The driver was/was not looking.
3. The driver was/was not talking on his mobile phone.
Listen to the dialogue and answer the questions.
1. Who saw the accident?
Ms James.
2. Did the car stop just in time?
Yes, it did.
... ... ...
Read the dialogue and answer the questions.
1. What was the boy doing when he was riding his bike?
He was listening to music.
2. When did a car suddenly appear round the corner?
While the lights were changing to red.
3. Did the boy fall off his bike?
Yes, he did.
Read the dialogue agian and complete the following advice.
When you are riding a bike, think about the risk of an accident!
Pay ________ and stop at the ________.
Don’t ______ too fast.
Don’t ride ________ with your friends.
Don’t __________!
... ... ...
Language points
1.You look pale.
pale表示“苍白的”，形容词。
look是感官动词。
look pale 看起来苍白
e.g. She has a pale face. 她脸色苍白。
2. A car suddenly appeared round the corner.
appear v. 出现；显露
round prep. 转到（某物的）另一边
e.g. The boy suddenly appeared from
under the bed. 小男孩突然从床下钻出来。
He walked round the corner into the
next street. 他走过拐角，到了另一条街上。
... ... ...
Listen and mark when the speaker pauses.
1. While the lights were changing to red, a car suddenly appeared round the corner.
2. When I was waiting to cross the road, the accident happened.
Now listen again and repeat.
1. While the lights were changing to red, a car suddenly appeared round the corner.
2. When I was waiting to cross the road, the accident happened.
... ... ...
Work in groups of four.
Student A: You’re a policeman at an accident scene in the street. Ask people questions.
Student B, C and D: You saw the accident. Answer the policeman’s questions.
A: What were you doing when the accident happened?
B: When the accident happened, I was walking along the street.
C: When the accident happened,…
D: …
... ... ...
Grammer
过去进行时
1. 定义：
表示过去某一具体时间正在发生的动作。
2. 时间标志：
at … yesterday morning
at that time
from nine to ten last evening
when, while, as
e.g.
We were watching TV from six to nine last night.
What was he researching all day last Sunday?
... ... ...
when，while，as都可以引导时间状语从句，但用法区别非常大。
一、when可以和延续性动词连用，也可以和短暂性动词连用；而while和as只能和延续性动词连用。
e.g. They arrived while we were
having dinner. =
They arrived when we were
having dinner.
我们吃饭的时候他们到了。
二、由when引导的时间状语从句，如果主句是过去进行时，从句应该用一般过去时，表示一个动作正在进行的时候另一个动作突然发生了，强调后一动作发生的突然性。
e.g. We were talking when the teacher came in.
我们正在讲话，老师（突然）进来了。
... ... ...
练一练
1. Safety comes first. We should _______ to keep safe on the road.
① obey the traffic (交通) rules
② be careful of passing cars and buses
③ run fast after others
④ not read the messages on our mobile phones
⑤ play basketball with our friends
A. ①②④ B. ①③⑤ C. ②④⑤
2. I ______ a meal when you _____ me.
A. cooked, were ringing
B. was cooking, were ringing
C. was cooking, rang
D. cooked, rang
3. They _____ a football game from 7 to 9 last night.
A. were watching B. watch
C. watched D. are watching
4. Would the driver see him _________?
A. on time B. in time C. for time
5. The old man _________ the ladder yesterday afternoon.
A. fell off B. fell down
C. fell of D. fell up
... ... ...
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