Unit 3,What were you doing when the UFO arrived?,Language goals,Talk about past events Tell a story,Key sentences,Where were you when the UFO arrived?I was in front of the library. What were you doing when the UFO arrived.I was cleaning my room. The boy was walking down the street when the UFO landed.While the boy was walking down the street, the UFO landed. The girl was shopping when the alien got out.While the girl was shopping, the alien got out.,Special difficulties,What was happening when what happenedI was sleeping when the UFO arrived. While what was happening ,what happenedWhile the alien was buying a souvenir, the girl called the police.,-I was calling my friend at home.,- Where were you at 7:30 last Sunday? And what were you doing ?,Task One,Interview your partner,Report,He/She was calling his friend at home at 7:30 last Sunday?,Pair work P18, 1a,Where was he when the UFO arrived? He was in the bedroom when the UFO arrived.What was he doing when the UFO arrived/landed/took off? He was sleeping when the UFO arrived.,Task Two Survey,What did your group members do ? Where were they?,When/while I was ?,Useful sentences,A: Where were you when /while I was in the street? B: I was at home. A: What were you doing when /while I was walking? B: I was talking with my mother. A: What do you think of it ? B: I think it was interesting.,Fill in the chart,Report,Mary was at home when /while I was in the street . Mary was talking with her mother when/while I was walking.He think it was boring. Susan slept at home when/while Mary was talking with her mother. It was relaxing.,Comparing the following sentences:,The boy was walking down the street when the UFO landed.While the boy was walking down the street, the UFO landed. The girl was shopping when the alien got out.While the girl was shopping, the alien got out.,Grammar rules,1) 一种状态 when what happenedI was surprised when it went into a shop.,2) what was happening when what happened,The girl was drawing when the alien got out.,3) while what was happening, What was happening,While the wife was shopping, the husband was driving in the street,4) while what was happening, what happened,While the boy was walking down the street, the UFO landed.,When 和 while 的用法与 区别,1) when表示“当的时候”。从句中既可用延续性动词，又可用非延续性动词，这些动词既可以表示动作，又可表示状态。从句中的动作既可和主句的动作同时发生，又可在主句的动作之前或之后发生。如： Mary was having dinner when I saw her. The boy was still sleeping when his mother got home yesterday morning.2) While表示“在的时候“、“在期间“。它强调主句的动作与从句的动作同时发生或主句的动作发生在从句的动作过程中。While从句中必须是表示动作或状态的延续性动词。,如： The weather was fine while we were in Beijing. She called while I was out. 如果主句的动作在从句的动作过程中发生，从句常用进行时。 如： While we were swimming someone stole our clothes. Dont talk so loud while others are working.,When 和 while 的用法与区别,1、When可指时间点，又可指时间段，从句中可用延续性动词，也可用非延续性动词。 While总是指一个时间段，从句中必须用延续性动词。 2、 when/while写过去发生的事情。 3、统一时态：主句过去式， 从句也是过去式。,Summary,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.,Exercise 1,I (was sleeping/slept) when the phone rang. Alan was doing housework when I (was arriving/arrived.) While the plane (was taking off/took off), the pilot didnt talk at all. I was watching TV when my mother (was turning/turned )it off.,Exercise 2,Choose the correct the verb forms,Reading1 section A p20 3a,Read the e-mail message and number the pictures in the correct order. Pairworkcover the story. Look at the pictures and take turns to tell the story.(提醒学生注意含有when /while的句子。）,Reading 2 Section B p22 3,Prediction: look at the picture and the first two sentences to predict what happened. Reading: read the article ,then answer the questions next to the article. Retelling: encourage the students to tell this story according to the following questions. Telling their own story.,Tell a story,What does Linda love? Where did they go? While Linda was buying a newspaper, what happened? Then what did she do? While she was talking on the telephone, what happened? while the police were coming, what did Linda do? Finally when Linda saw Davy, what was it doing?,Listen and fill in the chart,Correct the answers,1.Whose car do you think hit the old man? 2. Why do you think so?,discussion,Thank you !,过去进行时：,概念：表示过去某一时刻或某段时间内正进行的动作。 构成形式： was/were +doing 用法： a: 表示某一时刻正进行的行为，与特定的过去时间状语 连用。What were you doing yesterday morning?I was writing while he was reading.b: 表示过去某段时间内正进行的动作。we were building a house last winter.否定句和疑问句：We were not sleeping at home.Was he feeling well?,