山东省宁阳县第二十五中学八年级英语下册《Unit3 What were you doing when the UFO arrived（第1课时）》学案（无答案） 人教新
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课题名称 教学重点 教学难点 课前准备 学 案 一 快乐预习. (一)学习方式：按要求自主完成下列内容. (二)预习内容： 1、朗读并识记P18-19的单词及短语. 2、翻译P18-19的句子. (三）预习检测：补全句子 1.-What were you doing when the thief got into your house?-I was ______________(做晚饭). 一、There is a new_______________(理发店) next to my house. 二、I was waiting for a bus when the UFO______________(降落) the street. 三、The giel was shopping when the alien _______________(出来) the UFO. 二、预习质疑： . 学习目标：1.Learn to talk about past events. 2. Use “when/ while”and the past progressive tense. 二、合作探究： （一）阳光展示：组内交流课前自主学习内容. （二）导学点拨： 过去进行时 1.含义：表示过去的某一时刻或某一时间内正在进行或发生的动作。 2.构成：was/were +v-ing。 3.标志：at that time, this time yesterday, all the evening, from 8:00 to 10:00yesterday, just then, at nine yesterday, when等表示明确有具体的时间状语。eg： I was doing my homework at this time yesterday. What was Tom doing at ten yesterday. I was eating dinner when the phone rang. 八年级下册Unit3 What were you doing 课时 when the UFO arrived ? 过去进行时 was / were + doing sth. 过去进行时时态的熟练运用，when 和while 的用法区别 The learning papers ,the PPT ,the listening materials ,the notes. 共5课时 第1课时 授课班级 总课时数 11 when与while用法 1.when是“当……时候”，相当于at that time,既可以表示某一时刻又可以表示某一段时间，所以when引导的时间状语从句动词既可以是延续性的，又可以是非延续性的。when引导的时间状语如果是一般过去时，主句一般用过去进行时。而while也意为“当……时候””，相当于during the time，表示某一段时间历里的情况，故其引导的时间状语从句中的动词必须是延续性的。eg：While I was watching TV, my mother came back.=When my mother came back, I was watching TV. 2.while重在强调其后的动作与助于动作的对比，表示“与此同时”。eg： She was listening to music while I was playing computer games. 1
（三）针对性练习 1）_____ the teacher came in, we were talking and laughing. 2)I got home______ my mother was cooking dinner. 3)They were dancing _____ we came to meet them. 4)_______the alien was visiting the museum, the boy called the police. 三．拓展提高：1.Answer the questions: Do you know UFO? Have you seen it? What were you doing when the UFO arrived? 2.完成1a 2a 2b 听力. 3. 3c . Groupwork .Make conversations .进行替换练习会话. 课堂小结: 四．感恩达标： （一）．选择填空： 1. Who jumps ________ in your class? A. far B. Farther C. Farthest D. longer 2. You must have _______ Beyonce, and she is a very famous singer who sang a song for the 77th Annual Academy Awards(第77届奥斯卡金像奖颁奖典礼). A. heard from B. heard C. heard on D. heard about 3. We must hurry up, and the plane will _______ in five minutes. A. leave B. go C. take off D. lands on 4. Ted ___ while he ___ his bicycle and hurt himself. A. fell, was riding B. had fallen, rode C. fell, were riding D. had fallen, was riding 5. The reporter said that the UFO ___ east to west when he saw it. A. was traveling B. Traveled C. had been traveling D. has traveled 6. When I arrived at his office, he ___ on the phone. A. spoke B. was speaking C. had been speaking D. had spoken 7. His computer is ____ expensive _____ Tom’s. A. as; as B. so; as C. much; as D. as; than 8. Tom ___ into the house when no one ___. A. slipped, was looking B. slipped, had looked C. had slipped, looked D. was slipping, looked （二）．用介词或介词短语填空。 1.They were talking ____ the phone . 2.I was ____ the barber’s chair . 3.The boy was walking ____ the street when a UFO landed . 4.I had a very unusual experience ____ Sunday . 5.The alien visited the Museum ____ Flight . 2
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山东省宁阳县第二十五中学八年级英语下册《Unit3 What were you doing when
