人教版新目标英语八年级下册《Unit 3 What were you doing when the UFO arrived Section B》课件.ppt

what were you doing when the ufo arrived?,unit 3 section b,talk about last sunday.,read as quickly as possible. answer the question.,who found the dog named davy?,the police officers dog found it.,read as carefully as possible. then answer to the questions.,1. what was linda doing when davy ran away?,2. why couldnt linda see davy?,linda was buying a newspaper at the train station.,because the station was crowded.,read the article. then answers to the questions.,3. where was davy while linda was looking for him?,4. what happened while linda was looking for him?,davy was outside the station.,davy met another dog outside the station.,read the article. then answers to the questions.,5. what was davy doing when linda finally saw him?,davy was jump and running with another dog.,language points.,1. while linda _ (buy) a newspaper at the train station, the dog got out of his box and _ (run) away. 2. linda could see davy somewhere. (否定句) 3. when linda _ (shout) his name, some people looked at her but davy _ (not come). 4. while she _ (talk) on the telephone, davy met another dog outside the station.,was buying,ran,linda couldnt see davy anywhere.,shouted,didnt come,was talking,language points.,5. while the police _ (be) coming, linda _ (walk) around the station and _ (call) davys name. 6. i saw a big black dog when i _ (come) in. 7. when linda finally _ (see) davy, he was jumping and _ (run) with another dog. 8. 有一名警察在它们旁边. (汉译英),were,walked,called,came,saw,running,there was a police officer next to them.,revision,过去进行时,过去进行时表示过去某一时间正在进行的动作。 过去进行时一般有如：at this time yesterday, at 8 oclock last night 等，或者由when ，while引导 的时间状语。,at 11:00 am last sunday, i was in the park.,i was watching someone swimming at 11:10 am last sunday.,at 11:15 am last sunday.,at 11:20 am last sunday.,where were you at 11:00 am last sunday? i was in the park. what were you doing there? ,selfcheck,the girl was when she saw a car accident. i was so tired this morning. it was difficult to of bed. 3. my flight to new york from beijing international airport. 4. it was raining when the plane in london. 5. dont ! i can hear you.,shopping,get out,took off,landed,shout,attention,when 和 while 的异同 这两个词都有“当的时候”的意思。 when 既可指某一点时间，也可以指一段时间； while 强调一段 时间， 所以从句的谓语动词常是延续性的。 当 when 表示“在某一段时间里” 的意思时， 它可以代替while， 但while不能代替when. 如： when i came home, she was cooking dinner. 当我到家时，她正在做饭。 when you hang wet clothes near a fire, you will see steam rising from them. 当你把湿衣服挂在火边时， 你会看到水