Unit3 What were you doing when the UFO arrived?,重点,过去进行时 动词构成 was/were +doing 否定：was/were not doing 一般疑问句：was/were 提前 二 用法：1 主要表示过去某个时刻或某一阶段正在进行的动作，常和表示过去时间的状语then，at this/that time，at nine yesterday， it was 8 oclock，等连用。但在不少情况下，没有表示时间的状语，这时需要通过上下文来表示。 2 当两个一长一短的动作在过去某时间同时发生时，用过去进行时表示较长的动作。较短的动作用过去时。过去进行时可用于主句，也可用于从句。而一般当两个延续动作同时并行时，二者都可用过去进行时表达。常与when , while 连用。 While 后一般用进行时,when “当的时候”，是at that time的意思，表示做某种动作的时间或瞬间。常与一般现在时或一般过去时连用。 When winter comes, the weather gets colder and colder. 当冬天来临时，天气变得越来越冷。 When Linda saw Davy, he was jumping with another dog. 当Linda看到Davy时，他正和另一只狗一起蹦跳着。 while “当的时候”，是during the time的意思，表示略长的一段时间。常与现在进行时或过去进行时连用。 Mr. White was reading a newspaper while he was waiting for a bus. 怀特先生边等车边看报。 I am doing my homework while my mother is cooking. 我做作业的时候，我妈妈在做饭。,Eg: 1 It was raining hard when I left my office. 当我离开办公室时，雨下得正大。 2 While I was cleaning the windows， my brother was sweeping the floor. （当）我在擦窗户的时候，我弟弟在拖地。 3 Some students were playing football，while others were running round the track. 一些学生在踢足球，同时别的学生正在跑道上跑步,1. I _ (have) my breakfast at half past six yesterday morning. 2 Mary _ (go) over her lessons from six to seven last night. John and peter _(do) the same thing. 3. What _ you _ (do) at that time? We _ _(watch) TV. 4. Was your father at home yesterday evening? Yes ,he was. He _ (listen) to the radio. 5. They _(not make) a model ship when I saw him. 6. _ they _ (have) a meeting at 4 yesterday afternoon? No, they _. They _ (clean) the classroom. 7. _ it _(rain) when you left school? Yes, it _. (No, it _) 8. When the bell rang, Jenny _ (wait) in her seat.,was having,was doing,were doing,were having,were watching,was listening,werent making,Were having,were cleaning,were,Was raining,was,was waiting,wasnt,1a A TV reporter is asking “Where were you when the UFO arrived?” Match the statements with the people in the picture.,1. I was in the bathroom. 2. I was in my bedroom. 3. I was in front of the library. 4. I was in the kitchen. 5. I was in my barber shop. 6. I was in the barbers chair.,浴室；盥洗室,卧室；寝室,厨房,理发店,(为男子服务的) 理发师,d,b,a,c,e,f,in front of 在前面(指一物体在另一物体的前面) There is a tree in front of the classroom. in the front of 在前部(指某物体处在某个地方内的前部) There is a blackboard in the front of the classroom.,1b Listen to the reporters questions and circle the correct responses.,a. standing in front of the library / studying in the library b. cleaning my room / sleeping late c. making a smoothie / cooking dinner d. getting out of the shower / talking on the phone e. eating lunch / cutting hair,get out 出去；离开 get out of 从出来get out of the shower 洗完澡出来,cut 剪；切；割,talk on the phone 通过电话交谈,2a Listen and order these statements 1-5.,The alien visited the Museum of Flight. The alien bought a souvenir. A UFO landed on Center Street. The alien went into a store. An alien got out of the UFO.,alien 外星人,buy-bought,land 着陆,get-got,1,2,3,4,5,2b Listen again. Complete the following sentences with “when” or “while”.,The boy was walking down the street a UFO landed. 2. The girl was shopping she saw the alien get out. 3. the alien was buying a souvenir, the girl called the police. 4. the alien was visiting the museum, the boy called the TV station.,when,when,While,While,当的时候,重点,happen 1 偶然发生 2 sth happen to sb 某人发生某事 3 sb happen to do sth 某人碰巧做某事,Bye,