What were you doing when the UFO arrived?,过去进行时,含义： 表示过去某个时刻正在进行的动作。 结构： be (was/were) + doing 例句：What were you doing at nine last night? I was taking a shower at nine last night.,summary,What was he doing when the UFO arrived?,He was taking a shower.,Where was he when the UFO arrived?,He was in the bathroom.,She was sleeping.,What was she doing when the UFO arrived?,She was in the bedroom.,Where was she when the UFO arrived?,He was reading.,What was he doing when the UFO arrived?,He was in the living-room.,Where was he when the UFO arrived?,He was cutting hair.,What was he doing when the UFO arrived?,He was in the barber shop.,Where was he when the UFO arrived?,She was shopping.,What was she doing at six last night?,He was cooking at this time yesterday.,What was he doing at this time yesterday?,Was he swimming in the sea?,What was he doing at nine last Sunday?,Yes, he was. He was swimming.,(do my homework),What were you doing when the UFO arrived?,I was doing my homework when it arrived.,(visit my aunt),What were you doing when the UFO arrived?,I was visiting my aunt when it arrived.,(play soccer),What were you doing when the UFO arrived?,I was playing soccer when it arrived.,.,He was swimming.,What was he doing at 8 oclock?,What were they doing at 10:30?,They were running.,What was she doing when the UFO arrived ?,(Play the guitar),She was playing the guitar when it arrived.,What were they doing when the UFO arrived?,(sing),They were singing when it arrived.,Ask and answer in pairs Where were you at 6:00 yesterday evening? What were you doing ?,1 in a river swimming 2 in a park playing basketball 3 in a shop doing some shopping 4 at home cooking 5 at home watching TV 6 at home doing my homework,while & when,While引导的状语从句中谓语动词用过去进行时，when 引导的状语从句中谓语动词用一般过去时或一般现在时。,Fill with “While” or “When”,1._ May was talking on the phone, her sister walked in. 2._ Rita bought her new dog, it was wearing a little coat. 3._ I saw Carlos, he was wearing a green shirt. 4._ I was dancing, he was singing loudly. 5. _ Linda finally saw Davy , he was jumping with a dog . 6. I was cleaning my room _ the fire broke out .,When,While,While,When,When,when,Exercises,Choose “when” or “while” to fill in the blanks. (1)I was walking in the street _ the accident happened. (2)_ you have a meeting, you should turned off your mobile phone. (3)_ you have PE class, you should wear sports shoes. (4)_ I was doing my homework, the telephone rang. (5)_ it was raining, the plane took off. (6)_ the teacher was speaking to class, Nick stood up suddenly.,when,when,when,while,While,While,课堂练习,二. 用when，while填空 1. _ the alien was in the museum , I called the police . 2. The boy was walking down the street _ a UFO landed . 3. _ the alien was visiting the museum , the boy called the TV station . 4. I was cleaning my room _ the fire broke out . 5. _ Linda was shouting his name , some people looked at her . 6. _ Linda finally saw Davy , he was jumping with a dog .,While,when,While,when,While,When,Exercises,7. He _(draw) at eight yesterday evening. 8. The twins _(shop) when their friend _ (see) them yesterday. 9. While he _ (cook) dinner, his friend _ (get) out of the shower. 10. He saw the UFO while he _ (walk) down the street.,was drawing,were shopping,saw,was cooking,got,was walking,1,2,3,4,5,Try to find out the answers to the following questions.,1. Did Ted often see the UFO? How do you know that?,2. What did Ted think of the UFO?,3. Where did the alien go?,4. When did the reporter of the TV station come?,No, he thought that was a very unusual experience.,He thought that the UFO was strange.,It went to a souvenir store and the Museum of Flight.,While the alien was at the museum, Ted called the TV station.,Dear Jack, I had a very unusual experience on Sunday. At around ten oclock in the morning, I was walking down the street when a UFO landed right in front of me. You can imagine how strange it was! An alien got out and walked down Center Street.,experience 经历；体验,around 大约 (=about),strange 奇怪的；陌生的,right 正好；恰恰,I followed it to see where it was going, and I was very surprised when it went into a souvenir shop. While it was looking at the souvenirs, the shop assistant called the police. Before the police arrived, the alien left the shop and then visited the Museum of Flight. While the alien was in the museum, I called the TV station. Isnt that amazing! Ted,follow 跟随；追随,Isnt that amazing! = That is amazing. (否定疑问句) amazing 惊人的，了不起的,Fill in the blanks with the proper words.,I had a very _ experience _ Sunday. At _ ten oclock in the morning, I was _ down the street _ a UFO landed _ in front of me. You can _ how _ it was! An alien _ _ and _ _ Center Street. I followed it