八年级英语下册_Unit_3_What_were_you_doing_when_the_UFO_arrived导学案(无答案)_人教新目标版八年级英语下册_Unit_3_What_were_you_doing_when_the_UFO_arrived导学案(无答案)_人教新目标版.doc

Unit 3 What were you doing when the UFO arrived? 第一课时 Section A (1a-2c) 课型：new 执笔: 付彦霞 审核:陈玉秀 授课时间: 自主学习 一.仔细观察下面的对话,用“_____”标出对话中所出现的时间，并补全句子. 1． A: What are you doing now? B: I am doing my homework now. 2． A: What were you doing at 9 o’clock last night? B: I was doing homework. C:_________________________________(我正在打扫我的房间). A: What were you doing when your mother came back yesterday? B:I ______________________________________(我正在讲电话). 试总结:对话1用了_____ _进行时态,对话2用了__________进行时态. 二．将下面的句子翻译成中文，并仔细观察进行比较。 1. The boy was walking down the street when the UFO landed. 2. The girl was shopping when the alien got out. 3. While the boy was walking down the street, the UFO landed. 4. While the girl was shopping, the alien got out. 总结：When 与while: 都是 “ 当……的时候”, 但如3.4句,后接的动词用过去进行时，多选用___________; 而后接的动词用一般过去时态时，用_______. 展示交流: I翻译下列短语 1)理发店__________________ 2)在图书馆前边 3)做饭 4)做奶昔 5)打电话 6)洗完澡出来 7)理发 8)航空博物馆 9)从飞碟出来 10 ) 起飞________________________11)电视台___________ 12)报警_________________13)沿着街走____________14)睡过头___________ II Matching 1a 合作探究： Task 1 Listening speaking. (1b 1c) Task 2 Listening speaking（2a-2c） 达标拓展: 1、写出本课的主要语法结构：过去进行时构成__________________________ 具体用法：过去进行时表示在_____________某一时间内___________或___________的动作。和一般过去时的区别： 2、本课的when 和 while 的用法： （1）when 引导的从句时态多为______________和___________ （2）while 引导的从句时态多为_________________. 3、arrive, get和reach的区别。三者都有“______________”之意，但arrive表“到达某地”时，后面必须跟介词________或____________; get后跟地点名词时要加介词_________; reach后则可直接跟地点名词。如:get to Beijing=_______________/_________温馨提示:get home/there=arrive home/there=reach home/there 过关检测: I．用when和 while填空 1.My mother was doing the housework______I was doing my homework. 2._____________my father came back, I was watching TV. 3.____________he went out, it was raining. 4.____________Tom was cleaning his room, the telephone rang. 5.We were pl