外研版八上Module8Unit1Whilethelightswerechangingtored,acarsuddenlyappeared.ppt

8 Unit 1 While the lights were changing to red, a car suddenly appeared. pale appear round corner hit glad risk attention side an accident a car a bike. [hit] 碰撞 hit hit--hit What can you see in the picture？ traffic lights change to red/yellow/green Talk about the accident. Who saw the accident? 2. Did the car hit the boy ? Ms James. No. 点击此链接播放声音 Watch a movie 点击此链接播放 1. What was the boy doing when the accident happened? He was listening to music. 2. What was the boy doing when the accident happened? The driver was talking on his mobile phone. 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 ______________! attention red lights ride side by side listen to music Have a discussion. appear attention glad hit side Accidents do not happen very often, I’m (1) _____ to say. However, when you’re riding your bike, pay (2) _________ all the time, especially on the corner of the road and at traffic lights. Don’t ride side by (3) _____ with your friends. Sometimes cars (4) _______ round the corner and don’t stop. They may (5) ___ you. glad attention side appear hit 一、While the lights were changing to red, a car suddenly appeared round the corner.当交通灯变红 时，一辆汽车突然在拐角附近出现。 while只能表示某一段时间，不能表示某一点时间。 在while引导的时间状语从句中，其谓语动词只能是 延续性的，而且也只能与主句中的谓语动词同时发 生或存在。 1.While Jim was mending his bike, Lin Tao came to see him. 正当吉姆修自行车时，林涛来看他。 2.You can’t do your homework while you’re watching TV. 你不能一边看电视一边做家庭作业。 Grammar 二、When I was driving along the road , the accident happened.当事故发生时，我正沿着马路开车。 when既可表示某一点时间，也可以表示某一段时 间 。在when引导的时间状语从句中，其谓语动词 可以是延续性的，也可以是非延续性的，可与主句 中的谓语动词同时发生，也可在其后发生。 1.I was just reading a book when she came into my room. 她走进我房间时，我正在看书。 2.Were you writing a letter when the teacher came in?