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

用心 爱心 专心1UnitUnit 3 3 WhatWhat werewere youyou doingdoing whenwhen thethe UFOUFO arrived?arrived?PeriodPeriod OneOne (Section(Section A A 1a-2c)1a-2c) 学习目标：New words:UFO,barber,bathroom, alien,kitchen,bought, land, got, while Key phrases: get out, take off Key sentences: ⑴.—What were you doing when the UFO arrived?—I was cooking dinner in the kitchen. ⑵—What was he doing when the UFO arrived?—He was sleeping late when it arrived. ⑶The girl was shopping when the alien got out. ⑷While the girl was shopping, the alien got out. 学习重难点：◆重点 掌握过去进行时态的用法。

◆难点 掌握 when 和 while 的用法 前置学习: 一.仔细观察下的对话,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. They are having an English lesson.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). 试总结:对话 1 用了______进行时态,对话 2 用了__________进行时态. 二.根据下面的表格完成问答.I Jim They4:00 pm last Sundaycutting hair walking down the streetplaying tennis at the playgroundwhen the UFO landedgetting out of the librarymaking a milk shakesleeping late例如：A: What were you doing at 4:00 last Sunday afternoon? B: I was cutting my hair. A: What _____ you _________ when the UFO landed? B: I _______________________________ the library A: What _______ Jim ______________ 4:00 last Sunday afternoon? B: He ______________________________ the street. A: ______________Jim doing __________________________? B: He ______________________________________________. A: What _________ they doing ____________________________? B: They ___________________________ at the playground. A: _______________ they __________ when the UFO landed? B: They ______________________________.用心 爱心 专心2通过以上的练习你能归纳出过去进行时 be 动词的规律吗？I/He/She + _______ + doing They/You + _______ + doing三．A.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_______. B.根据句意，选词填空1. She was watching TV_________ (when/ while) her mother came in. 2.____________ (When/ While) the boy was walking down the street, the UFO landed. 3. What ______________ (was happening/ happened) while they_______________ (were swimming/ swam) in the river. 4. It ____________ (was raining / rained) hard at 9:00 pm last night. 5. Helen ________ (was reading/ read) under the tree when the UFO__________( was landing / landed). 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 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 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 教学评价: 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 playing outside_________it began to rain. 6. 你什么时候来我家？_________will you ________ to my home? 7. 昨天上午，我在家做作业，我的弟弟在玩电脑游戏I was doing my homework at home yesterday ________ my brother ________ computer games. 8. 他们到的时候天正在下雨。

It was raining___________ they arrived? 9. 他听着收音机睡着了He fell asleep__________he was listening to the radio. 10. 他上班时一边开车一边听音乐He listens to music __________driving to work II．选择题1.The alien________ the UFO when I saw him. A.was getting out B.was getting out of C.is getting out of 2.What______you__________at this time yesterday?A.did, do B.are, doing C.were, doing 3.________Tom was playing computer games, his father came in. A.When B.While C.Until 4.—Where is Mr Brown?—He is___________. A.at the doctor B.at the doctor’s C.at doctor 5.They______ Paris on the morning of March 10th. A.got B.reach C.arrived in III. 用所给词的适当形式填空1. When the teacher came in, the students ___________ (talk). 2. He___________(do) his homework at two yesterday afternoon. 3. The students __________ (read) English in the room now. 4. At that time the boy ________（play）football with his friends.5. While I _________ (talk) with Mr. Li in English, he called me. 学后反思:用心 爱心 专心4PeriodPeriod TwoTwo (Section(Section A A 2a-4)2a-4) 学习目标：New words:experience, imagine, follow, strange, amazing , kid Key phrases: follow sb. to do sth, have an unusual experience Key sentences: ⑴ You can imagine how strange it was!⑵ Isn’t that amazing? 学习重难点：过去进行时态的熟练运用 前置学习: 1、用所给词的适当形式填空。