人教新目标英语八下Unit What were you doing when the UFO arrived学案

人教新目标英语八下Unit What were you doing when the UFO arrived学案

Unit 3 What were you doing when the UFO arrived?‎ 主备人：刘柏青 审核人：余珊珊 督办领导： 使用时间:‎ Period One (Section A 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 ______________________________________(我正在讲电话). ‎ ‎ 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 ‎ They ‎ 4:00 pm last Sunday cutting hair ‎ walking down the street playing tennis at the playground when the UFO landed ‎ getting out of the library ‎ making a milk shake ‎ sleeping 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 ______________________________.‎ 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)‎ a ________________________ b ________________________ c ________________________‎ d ________________________ e ________________________ ‎ A: ____________________________________________________________?‎ B: ____________________________________________________________.‎ Task 2 Listening & speaking（2a-2c）‎ A: What was the girl doing when the UFO took off? ‎ B:______________________________________‎ A:_________________________________________________?‎ B:______________________________________‎ 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 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:‎ Period Two (Section A 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。‎ ‎1). While I was driving to the airport, the plane ______________(起飞) .‎ ‎2). Mr Smith ___________________(fly) a kite with his son at this time yesterday. Now he ___________ (read) a book in his bedroom.‎ ‎3). When I got out of the shower, my little brother _____________(clean) his room.‎ ‎4). My mother ______________(buy) me a pair of new shoes.‎ ‎5). While I _______________(cut) my hair , father ______________________(在通电话) with his friend.‎ ‎2翻译句子，注意when、while 的正确使用。‎ ‎1). 当UFO着陆的时候，那个男孩正在街上走着 ‎2). 女孩正在买东西的时候，那个外星人出来了。‎ ‎3). 昨天晚上我在看电视的时候你在干什么？‎ ‎4). 当我给警察打电话的时候，我看见那个外星人在买纪念品。‎ 展示交流: ‎ ‎1经历，体验______________2想象，设想___________3 奇怪的，陌生的___________‎ ‎4 跟随，追随_________________5 令人惊异的_______________6 开玩笑，戏弄________‎ ‎1 一个非常不寻常的经历________________________2 在星期天________________‎ ‎3 在早晨_________________________4 正好着陆在我前面_________________________‎ ‎5 走进一个礼品店__________________6 给警察打电话___________________________‎ ‎7 离开商店_______________________8 参观飞行博物馆__________________________‎ ‎9 在博物馆________________________10 给电台打电话___________________________‎ ‎1你能想象一下那是多么奇怪呀！ _______________________________________________________!‎ ‎2太令人惊奇了！ _________________________________________________________!‎ ‎3 跟随某人做某事_________________________‎ ‎4 当它走进一家礼品店的时候我感到非常惊讶。___________________________________________‎ 合作探究: ‎ ‎1）读短文，回答问题。‎ ‎1）When did the UFO land ? what was the writer doing ?‎ ‎2) What places did the alien go ? what did they do ?‎ ‎3) Did the alien buy any souvenirs in the shop ？ ‎ ‎4) What did the writer do while the alien was in the museum ?‎ ‎2）根据图片复述短文。‎ ‎ ‎ 达标拓展:‎ in front of 与in the front of的区别。‎ 两者都有________________________之意，但in front of是指____________________，in the front of指______________________。‎ ‎⑴How cold it is today! 今天多冷啊！⑵How beautiful the flower is! 多么美丽的花啊！‎ ‎⑶How heavily it is raining ! 雨下得多大啊！‎ 我能归纳:由how引导的感叹句，其构成为____________________________________。‎ ‎⑴What a cold day it is! ⑵What beautiful flowers they are! ⑶What delicious food it is!‎ 我能归纳:由what引导的感叹句,其构成为____________________________________。‎ 教学评价 I.开心选择 ‎1.____fine weather! Let’s go for a walk. A.What a B.What C.How ‎2._____surprising the news is! A.What a B.What C.How ‎3.There are many flowers and trees _____our classroom. A.in front B.in front of C.in the front of ‎4.Nancy is standing _____the classroom to sing for us. A.in front B.in front of C.in the front of ‎5.—Would you like to follow me_____English? —Sure, I’d love to. A.learn B.to learn C.learning II．我会填 ‎1.The students____________(play) basketball on the playground from 3 to 4 yesterday afternoon.‎ ‎2.While my mother_________ (cook)dinner, my father_____________(watch)TV at this time yesterday.‎ ‎3.I’m very amazed at the_________________(令人惊异的)news.‎ ‎4.She wrote a lot about her__________(经历) as a country teacher.‎ ‎5.You can’t ___________(想象)what he did just now.‎ 学后反思:‎ Period Three (Section B 1a-2c)‎ 学习目标：‎ New words:scared, climb, jump, shout,rode Key phrase: in a tree 学习重难点：while when 引导的时间状语从句 前置学习:‎ buy，call the police，ride a bike， amaze ，get out of ，take， cook ‎1 My brother ___________________to school every day .‎ ‎2 We visited the Great Wall and ______________some photos.‎ ‎3 I _________________when I saw a thief in the supermarket.‎ ‎4 The news is ________________. I can’t believe it.‎ ‎5 We saw an alien____________the UFO.‎ ‎6 He _________some fruit from the fruit shop yesterday.‎ ‎7 The girl ___________dinner when her father came back..‎ ‎8 It’ s dangerous for you______that tall tree. A．climb B.to climb C.climbing D.climbed ‎9 The little girl is scared______in the dark room. A.of stay B.to stay C.to staying D.of stayed ‎10 I was taking a walk______I saw a friend of mine. A.when B.while C.after D.before ‎11 When the bell _____，I was washing clothes。 A．rings B.rings C.rang D.was ringing ‎12 While I was watching TV，my father_____newspaper. A.read B.reads C.was reading D.has read 展示交流: ‎ ‎1看见了一个猫在树上____________________2给报社打了电话_________________‎ ‎3 给电视台打了电话__________________________4拍了照片_______________________‎ ‎5 骑了他的自行车_____________________________‎ ‎1 他是可怕的。_______________________________.‎ ‎2 它正在爬树。____________________________________.‎ ‎3 它正在往下跳。__________________________________.‎ ‎4她正在喊叫。_____________________________________.‎ Match the sentences with the pictures.‎ 合作探究:‎ Listen and fill in the blanks.‎ ‎ John saw a cat in a tree while he was_______to school. The cat was really_________.John wanted to_________the tree to get the cat, but a man saw him. He_____________at John and John stopped climbing. While the man was calling the police, a woman called the newspaper. Then John_______down from the tree,and the cat jumped down too. ‎ 达标拓展:‎ scared/afraid 1. be scared/afraid of (doing)sth/ to do sth ‎2. Scared可置于名词前作定语，而afraid无此用法。‎ ‎1)许多人害怕狼。Many people are_________ _________ wolves.‎ ‎2) 那个小女孩晚上不敢出门。The little girl is _________ _________ go out at night.‎ ‎3) 那个受惊的小孩任然在苦。The _________ child is still crying.‎ In a tree/on the tree 1) There is a bird _________ the tree. 2) There are some apples _________ the tree.‎ She is shouting。‎ shout动词，意为“呼喊，大声说”；名词，意为“呼喊；喊叫声”。短语shout to sb 意为“向某人大喊”；shout at sb意为“向某人大喊大叫”如:‎ I can hear you .You needn’t shout.我听的见你说话，你不必嚷嚷。‎ I heard a loud shout.我听见一声大叫。‎ You shouldn’t shout at your parents。你不应该对父母大喊大叫。‎ 教学评价 I用所给词的适当形式填空 ‎1. My grandfather like reading _________(newspaper)‎ ‎2. He got on his bicycle and _________ (ride) quickly down the street.‎ ‎3. While I was _________ (take) a walk in the park, I _________ (see)some birds in the tree.‎ ‎4. The little child is _________ (scare) of dogs.‎ ‎5. Look! She is _________ (shout) to her friends.‎ II. 完成句子 1. 当我在树下玩耍时，我看见树上有一只猫。‎ While I was _________ under the tree, I _________ a car _________ the tree.‎ 2. 当我在爬山时，我听到有人朝我喊。While I was ______ _______ the hill, I heard someone shout to me.‎ 3. 他昨天发生了什么事？What _________ _________ him yesterday?‎ 4. 我朝树上爬时，那只小猫跳下了树。While I was climbing up the tree, the cat ________ _____ the tree.‎ 5. 当他在拍照时，小猫跑掉了。While he was _________ _________, the car ran away.‎ 学后反思:‎ Period Four (Section B 3a-4)‎ 学习目标：‎ Newwords:ran, met,happen,anywhere ‎ Key phrases: train station, run away,come in, think about doing sth.‎ 学习重难点：过去进行时的学习和运用 前置学习:‎ 用所给动词的适当形式完成对话：‎ Eve: Where _______(be) you when the UFO _______ (arrive) yesterday?‎ Joe: I ______(walk) to the post office.‎ Eve: What did you _______ (see)?‎ Joe: Well, the UFO _______ (land) right in the middle of the street.‎ Eoe: What _______ (happen) next?‎ Joe: One alien ________ (get) out of the UFO and _______(go) into the post office.‎ Eve: Then what did you ________ (do)?‎ Joe: While the alien ________(buy) stamps, I called the news reporters.‎ 展示交流:‎ ‎1 上个星期六_____________2 在火车站________________3 从---出来_______________‎ ‎4 喊某人的名字______________________5 在火车站的外面________________________‎ ‎6 在...周围走____________7一场交通事故___________8去纽约的航班 ____________________‎ ‎9 起飞__________________________10在诊所___________________________‎ 合作探究:‎ Task Read and answer.‎ ‎⑴What was Linda doing when Davy ran away?_____________________________________‎ ‎⑵Why couldn’t Linda see Davy?_____________________________________‎ ‎⑶Where was Davy while Linda was looking for him?_____________________________________‎ ‎⑷What happened while Linda was looking for him?_____________________________________‎ ‎⑸What was Davy doing when Linda finally saw him?_____________________________________‎ 达标拓展:‎ ‎…,the dog got out of the box and ran away ----.只狗冲出了箱子跑掉了。‎ ‎ Run away 意为“逃跑，跑开”，away 为副词，意为“离开，远离”。‎ He was jumping and running with another dog.正和另一只狗跑着跳着。‎ ‎1 another 此处作形容词，意为“另一，再一，别的”通常作定语。‎ 如：There is another seat。I can’t sit over there。还有一个座位，我可以坐那边。‎ ‎2 another 还可作代词，意为“又一个，再一个”，表示三者或三者以上中的另一个。‎ 如：I don’t like this pen .lease show me another.不喜欢这只钢笔，请再给我拿一只看看。‎ ‎3 another 后常接单数名词或代词，常有“another+基数词+名词复数”的形式，意为“另外几个，再有几个”，与“基数词+more+名词复数“同义。‎ 如：“我想再买两本书”。可表达为：I want to buy another two books. I want to buy two more books.‎ 这双鞋子太大了，我还想要另外一双。The shoes are too big ，so I’d like to try a_______pair。‎ What happened while Linda was on the telephone？当琳达打电话时，发生什么事了？‎ ‎1 happen为动词，意为“发生，偶然发生”，常指具体事件的发生，特别指那些偶然的或未能预见的事件的“发生”。 主语常为“事或物”。如：‎ A bad traffic accident happened yesterday.昨天发生了一起严重的交通事故。‎ ‎2 如果表示“某人发生某事”，常用结构“某事+happened（s）+to +某人。”如：‎ What happened to her ？她怎么了？‎ ‎3 sb happened to do sth“某人碰巧做某事”。如：‎ I happened to meet my English teacher on my way to school.在上学的路上我碰巧遇见了我的英语老师。‎ take place /happen ‎ 二者都表示“发生”，都是不及物动词，所以不用被动语态。而且两者都是短暂性动词，不能与“一段时间”的状语连用。‎ Take place表示按照预先计划、安排某事发生。‎ Happen 往往表示偶然性的、没有预料的事情“突然发生”。‎ 如：The May 4th Movement took place in1919. 五四运动发生在1919年。‎ How did the accident happened？这次事故是怎样发生的？‎ 教学评价 I. 翻译句子：‎ ‎(1)当Linda 在买报纸的时候，那只狗从盒子里出来然后跑掉了。‎ ‎ .‎ ‎(2). Linda 哪也找不到它。 .‎ ‎(3). 他没有想过去火车站外看看。 .‎ ‎(4). 当Linda最后看到她的狗的时候，它正在和另外一只狗在那又跳又跑呢。‎ ‎ .‎ ‎(5). 有一个警察站在他们旁边。_______________________________________‎ II. 用所给词的适当形式填空。‎ ‎1). He thinks Ted is __________(kid) about it.‎ ‎2). What _______ you ________ (do) at this time last week.‎ ‎3). Look ! Jim ________ (clean) his new car in front of the building.‎ ‎4). My son often _______ (sleep) late on weekends, but last night he ________(sleep) early. ‎ ‎5). I can’t imagine(想象) what ______________(happen) in the future?‎ ‎6). The girl _____________(shop) when the thief got out.‎ ‎7). The thief __________ (run) away before they ________(call) the police.‎ ‎8). Did you look for it ___________(到处)？ Yes , I did. But I couldn’t find it ____________(到处)。 ‎ 学后反思: ‎ Period Five (Reading)‎ 学习目标：‎ New words:heard,modern,kill, rang，murder, bright，playground，bell，told，close，hero， ‎ silence，recent，destroy， terrorist ，meaning， became，flight，earth，flew Key phrases: hear about, take place, as…as,in silence,for the first time,have meaning to sb.‎ 学习重难点：会用过去进行时描述发生的事情。‎ 前置学习:‎ ‎1、在现代美国历史上 2、最重要的事件之一 ‎3、听说 4、要求某人做某事 ‎5、在沉默中 6、发生 ‎7、不是所有的 8、在月球上散步 ‎9、在太空中 10、围绕地球的飞行 ‎11、民族英雄 12、全世界 ‎(1)Although some people may not remember who murdered him, they remember what they were doing when they ________ _________(听说)the event.‎ ‎(2)School closed for the day, and Robert and his friends walked home together_______ ________(默默地). ‎ ‎(3)Dr Martin Luther King’s murder ________ ________(发生)about thirty years ago, before many Americans were born.‎ ‎(4)Even the date — September 11, 2001 —________ _________(对…有意义)most Americans.‎ ‎⑸______ _______ (并不是所有的)events in history are ____ _________ ____(一样可怕) this, of course. ‎ 展示交流: ‎ 连线：‎ ‎1、Dr Martin Luther King was murdered. September 11,2001‎ ‎2、Yang Liwei flew around the Earth. April 4,1968‎ ‎3、The World Trade Center was destroyed in New York. July 20,1996‎ ‎4、Man walked on the moon for the first time. March 15，1979‎ ‎ October 15,2003‎ 合作探究:‎ I Read the passage. Find out the details to tell T or F.（判断下列句子的正误。）‎ ‎（ ）⑴. The writer writes one of the most important events as an example in Paragraph 1.‎ ‎（ ）⑵.The writer says People will forget some everyday activities when they heard the important news ‎ ‎（ ）⑶.The writer gives the event that happened in recent times in Paragraph 3 .‎ ‎（ ）⑷.The writer gives out some more terrible events in Paragraph 4..‎ 问题一、Read the passage and find out the main ideas from each paragraph。（读文章，找出每一段的主题句。）‎ Reading strategy（阅读策略）:‎ It is a good idea to read the first sentence of each paragraph before you read.‎ ‎（在阅读文章时，每一段的第一句话或许会帮助你加深对全文的理解。）‎ 问题二、独自完成下列问题，小组订正答案。Answer the following questions:‎ ‎⑴Why do many people remember what they were doing on April 4, 1968?‎ ‎⑵ What was Robert Allen doing when he heard the news?‎ ‎⑶ When was the World Trade Center in New York destroyed by terrorists?‎ ‎⑷Why did Yang Liwei become a national hero in China?‎ 达标拓展:‎ 1. as……as 的用法as 与 as 之间加词形容词或副词的原级,其否定用法为：not as……as……或not so……as…… I think math is as important as English. You are not so tall as me. He is not as lazy as her..‎ 2. Happen / take place 都有“发生”的意思。 ‎ happen 有“碰巧发生，偶然发生”的意思。固定词组为“happen to sb.”, ‎ 如：What happened to him ? He had an accident yesterday . ‎ take place 往往表示必然性的发生或计划内安排的发生。‎ 如：It will take place sooner or later(迟早)。‎ 教学评价 I用所给动词的适当形式填空。‎ ‎1.The boy _________(look) out of the window when the policeman came.‎ ‎2.While they _________(play) soccer, we were watching TV.‎ ‎3.My father was reading a book when I _______(get)back.‎ ‎4.The weather ______(be) fine while we were in Beijing.‎ ‎5.The girl was really _____ (scare) when she saw the snake.‎ II完成句子。‎ ‎1.正当琳达买报纸的时候，狗从箱子里出来然后跑掉了。‎ While Linda was buying a newspaper, the dog ___ ___ ___the box and___ ____ .‎ ‎2.格林一家人正在考虑去长城。The Greens are ______ _______ going to the Great Wall.‎ ‎3.汤姆发生了什么事？ What _______ ______Tom?‎ ‎4.对我来说，学开小汽车很难。It’s ________ for me ____learn to drive a car.‎ ‎5.我在学校外面遇到了一位老朋友。He met an old friend______ _______ ________ .‎ ‎6. 当你听说这件事时，你在干什么？ you when you the event?‎ ‎7.刘翔在2004年雅典奥运会上夺得了金牌。‎ Liu Xiang a gold medal Athens Olympic Games in 2004.‎ ‎8.长城闻名全世界.The Great Wall is famous .‎ ‎9. 这座建筑物被一些恐怖分子毁坏了。This building some .‎ III单项选择。‎ ‎1._____ I was cooking, Tina called me. A. Why B. While C. After D. Before ‎2. We can see a big tree in _____ front of the classroom. A. its B. that C. the D. /‎ ‎3. She hoped nothing bad would ________ him. A. happen B. take place C. happen to D. take place of ‎4.—Did you see him come into the building? —No, I ____ a football game at that time.‎ A. watch B. was watching C. watched D. am watching ‎5. When his mother got home , he _____ computer. A. plays B. playing C. is playing D. was playing 学后反思:‎ Period Six (Self check)‎ 学习目标：重点短语及句子 学习重难点：过去进行时态 前置学习:‎ ‎1. barber ________ 2. bathroom _________3. kitchen ________4. alien _____________‎ ‎5. land _________ 6. while ____________7. experience ______8. imagine __________‎ ‎9. follow _________10. amazing _________ 11.strange ________12 scared. ___________ ‎ ‎13.climb _________14. jump ____________15.shout_________16. anywhere__________‎ ‎17.happen________18. accident__________ 19.plane__________‎ ‎1.出来_________________________2.起飞_______________________3.逃跑____________________‎ ‎4.进来____________5.某人发生某事_________________6.有一次不寻常的经历 _________________‎ ‎7.考虑做某事_____________8.上车（飞机）_____________9.在树上_______________‎ ‎10.在…的前面______________11.跟着某人做某事 ________________12.对某人大喊_____________‎ 展示交流: ‎ 1. UFO到来时你在做什么？What _______ you _______ _______ the UFO arrived?‎ 2. 那个男孩正在街上走时，UFO着陆了。The boy ______ _______ down the street when the UFO landed.‎ 3. 你能想象它有多么奇怪！You can imagine_______ _______ _______ was!‎ 4. 这是美国现代史上最重要的事件之一。This was one of _______ _______ _______ _______ in modern American history.‎ 5. 当然，并不是历史上所有的事情都这么可怕。_______ _______ events in history are _______ terrible _______ this, of course.‎ 合作探究:‎ 过去进行时 1） 含义及构成 表示过去某一时刻或某一段时间正在进行或发生的动作，其结构为______________‎ 2） 用法 1 表示过去某一时刻或某一段时间正在进行或发生的动作。at 3:00 yesterday afternoon, in those days, at this time yesterday等。 2 表示过去某一动作发生时，另一个动作正在进行，持续时间长的动作用过去进行时态，常用于while引导的时间状语从句中。‎ 1. I _______ (play) computer games at nine o'clock last night.‎ 2. They _______ (have)an English class at this time yesterday.‎ 3. The man _______ (walk)in the park when the UFO arrived.‎ 4. While the alien _______ (visit) the museum, the boy called the TV station.‎ 5. He said he was _______ (leave)for Shanghai soon.‎ 3) 过去进行时否定结构：_____________________ +v-ing 一般问句结构：_______ +主语+v-ing +其他?‎ ‎1 He was playing the guitar when his mother came back.(否定句)‎ ‎2 She was babysitting her sister at this time yesterday.(一般问句）‎ ‎3 They were having a party when I knocked at the door.(就划线部分提问)‎ 达标拓展:‎ When/while 1. What were you doing _______ your teacher came into the classroom.‎ 2. ‎_______ I was walking to the supermarket, I met my friend Jenny.‎ 3. I was sleeping late _______my cousin came to see me. ‎ 4. ‎_______ my father was reading a newspaper, my mother was watching a TV play.‎ 5. ‎_______ the alien was in the shop, the girl called the police.‎ 教学评价 I用所给动词的适当形式填空。‎ ‎1.The boy _________(look) out of the window when the policeman came.‎ ‎2.While they _________(play) soccer, we were watching TV.‎ ‎3.My father was reading a book when I _______(get)back.‎ ‎4.The weather ______(be) fine while we were in Beijing.‎ ‎5.The girl was really __ ___ (scare) when she saw the snake.‎ II完成句子。‎ ‎1.正当琳达买报纸的时候，狗从箱子里出来然后跑掉了。‎ While Linda was buying a newspaper, the dog _ __ _ the box and_ _ __ .‎ ‎2.格林一家人正在考虑去长城。The Greens are __ ___ __ going to the Great Wall.‎ ‎3.汤姆发生了什么事？ What __ _____ _____ _Tom?‎ ‎4.对我来说，学开小汽车很难。It’s ____ for me __ __learn to drive a car.‎ ‎5.我在学校外面遇到了一位老朋友。He met an old friend___ ____ _ ____ .‎ III单项选择。‎ ‎1._____ I was cooking, Tina called me.A.Why B.While C.After D.Before ‎2.We can see a big tree in _____ front of the classroom.A.its B.that C.the D./‎ ‎3.She hoped nothing bad would _______ him. A.happen B.take place C.happen to D.take place of ‎4.—Did you see him come into the building?—No, I ____ a football game at that time.‎ A.watch B. was watching C.watched D.am watching ‎5.When his mother got home , he _____ computer. A.plays B.playing C.is playing D.was playing 学后反思:‎