外研版八年级英语上册《While the lights were changing to reda car suddenly appeared》Accidents PPT免费课件，共23页。
The car is going to go round the corner.
prep. 转到（某物）的另一边
While Andy were driving , a boy suddenly appeared.
The driver noticed the boy in time and didn't hit him.
The boy looks scared.
He should pay attention to the road, and think about the risk of an accident.
Let's learn the new words
pale adj. 苍白的
appear v. 出现，显露
round prep. 转到另一边
corner n. 拐角，街角
hit v. （使）碰撞
glad adj. 高兴的
in time 及时
找出文中过去进行时 （past continuous tense）句子
A boy was riding his bike and listening to music on the road.
I was waiting to cross the road.
While the lights were changing to red, a boy suddenly appeared round the corner.
The driver was talking in his mobile phone.
主语+was/were + doing
表示过去某一具体时间正在发生的动作
e.g.
1.昨晚我们在看电视。
We were watching TV at seven last night.
2.他上周日一整天都在读书。
He was reading all day last Sunday.
3. 那时他们正在开生日派对。
They were having a birthday party at that time.
... ... ...
关键词：While the lights were changing to reda car suddenly appeared PPT课件免费下载，.PPT格式；
