Unit 3 What were you doing when the UFO arrived?教案 Period One (Section A 1a-2c) 學(xué)習(xí)目標(biāo)： 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. 學(xué)習(xí)重難點(diǎn)：◆重點(diǎn) 掌握過去進(jìn)行時(shí)態(tài)的用法�！綦y點(diǎn) 掌握when和while的用法。 前置學(xué)習(xí): 一.仔細(xì)觀察下的對(duì)話,用“_____”標(biāo)出對(duì)話中所出現(xiàn)的時(shí)間，并補(bǔ)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:_________________________________(我正在打掃我的房間). A: What were you doing when your mother came back yesterday? B:I ______________________________________(我正在講電話). 試總結(jié):對(duì)話1用了______進(jìn)行時(shí)態(tài),對(duì)話2用了__________進(jìn)行時(shí)態(tài). 二.根據(jù)下面的表格完成問答. I Jim They 4: 00 pm last Sundaycutting hair walking down the streetplaying 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 ______________________________. 通過以上的練習(xí)你能歸納出過去進(jìn)行時(shí) be 動(dòng)詞的規(guī)律嗎？ I/He/She + _______ + doing They/You + _______ + doing 三．A.將下面的句子翻譯成中文，并仔細(xì)觀察進(jìn)行比較。1. The boy was walking down the street when the UF O 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. 總結(jié)：When 與while: 都是 “ 當(dāng)……的時(shí)候”, 但如3.4句,后接的動(dòng)詞用過去進(jìn)行時(shí)，多選用____; 而后接的動(dòng)詞用一般過去時(shí)態(tài)時(shí)，用_____. B.根據(jù)句意，選詞填空 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翻譯下列短語 1)理發(fā)店__________2)在圖書館前邊 3)做飯 4)做奶昔 5)打電話 6)洗完澡出來 7)理發(fā) 8)航空博物館 9)從飛碟出來 10 ) 起飛_________11)電視臺(tái)_____ 12)報(bào)警_____13)沿著街走_(dá)___________14)睡過頭________ II Matching 1a合作探究：Task 1 Listening & speaking. (1b& 1c)Task 2 Listening & speaking（2a-2c） 達(dá)標(biāo)拓展: 1、寫出本課的主要語法結(jié)構(gòu)：過去進(jìn)行時(shí)構(gòu)成---__________________________ 具體用法：過去進(jìn)行時(shí)表示在_____________某一時(shí)間內(nèi)___________或___________的動(dòng)作。 和一般過去時(shí)的區(qū)別： 2、本課的when 和 while 的用法：（1 ）when 引導(dǎo)的從句時(shí)態(tài)多為______和___________ （2）while 引導(dǎo)的從句時(shí)態(tài)多為_________________. 3、arrive,get和reach的區(qū)別。三者都有“______”之意，但arrive表“到達(dá)某地”時(shí)，后面必須跟介詞____或____; get后跟地點(diǎn)名詞時(shí)要加介詞______; reach后則可直接跟地點(diǎn)名詞。如:get to Beijing=_______/______ 溫馨提示:get home/there=arrive home/there=reach home/there 評(píng)價(jià):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. 你什么時(shí)候來我家？________will you ________ to my home? 7. 昨天上午，我在家做作業(yè)，我的弟弟在玩電腦游戲。 I was doing my homework at home yesterday ________ my brother ________ computer games. 8. 他們到的時(shí)候天正在下雨。It was raining___________ they arrived? 9. 他聽著收音機(jī)睡著了。He fell asleep__________he was listening to the radio. 10. 他上班時(shí)一邊開車一邊聽音樂。He listens to music __________driving to work.. II．選擇題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. 用所給詞的適當(dāng)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. 學(xué)后反思: Period Two (Section A 2a-4) 學(xué)習(xí)目標(biāo)： 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? 學(xué)習(xí)重難點(diǎn)：過去進(jìn)行時(shí)態(tài)的熟練運(yùn)用 前置學(xué)習(xí): 1、用所給詞的適當(dāng)形式填空。 1). While I was driving to the airport, the plane ______________(起飛) . 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 ______________________(在通電話) with his friend. 2翻譯句子，注意when、while 的正確使用。 1). 當(dāng)UFO著陸的時(shí)候，那個(gè)男孩正在街上走著 2). 女孩正在買東西的時(shí)候，那個(gè)外星人出來了。 3). 昨天晚上我在看電視的時(shí)候你在干什么？ 4). 當(dāng)我給警察打電話的時(shí)候，我看見那個(gè)外星人在買紀(jì)念品。 展示交流: 1經(jīng)歷，體驗(yàn)______________2想象，設(shè)想___________3 奇怪的，陌生的___________ 4 跟隨，追隨_________________5 令人驚異的_______________6 開玩笑，戲弄________ 1 一個(gè)非常不尋常的經(jīng)歷________________________2 在星期天________________ 3 在早晨_________________________4 正好 著陸在我前面_________________________ 5 走進(jìn)一個(gè)禮品店__________________6 給警察打電話___________________________ 7 離開商店_______________________8 參觀飛行博物館__________________________ 9 在博物館________________________10 給電臺(tái)打電話___________________________ 1你能想象一下那是多么奇怪呀！ ______________________________! 2太令人驚奇了！ _________________________________________________________! 3 跟隨某人做某事_________________________ 4 當(dāng)它走進(jìn)一家禮品店的時(shí)候我感到非常驚訝。___________________________ 合作探究: 1）讀短文，回答問題。 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）根據(jù)圖片復(fù)述短文。
達(dá)標(biāo)拓展: in front of 與in the front of的區(qū)別。 兩者都有________________________之意，但in front of是指____________________，in the front of指______________________。 ⑴How cold it is today! 今天多冷�。、艸ow beautiful the flower is! 多么美麗的花啊！ ⑶How heavily it is raining ! 雨下得多大啊！ 我能歸納:由how引導(dǎo)的感嘆句，其構(gòu)成為____________________________________。 ⑴What a cold day it is! ⑵What beautiful flowers they are! ⑶What delicious food it is! 我能歸納:由what引導(dǎo)的感嘆句,其構(gòu)成為____________________________________。 評(píng)價(jià) I.開心選擇 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．我會(huì)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_________________(令人驚異的)news. 4.She wrote a lot about her__________(經(jīng)歷) as a country teacher. 5.You can’t ___________(想象)what he did just now. 學(xué)后反思:
Period Three (Section B 1a-2c) 學(xué)習(xí)目標(biāo)： New words:scared, climb, jump, shout,rode Key phrase: in a tree 學(xué)習(xí)重難點(diǎn)：while when 引導(dǎo)的時(shí)間狀語從句 前置學(xué)習(xí): 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_____newsp aper. A.read B.reads C.was reading D.has read 展示交流: 1看見了一個(gè)貓?jiān)跇渖蟔___________________2給報(bào)社打了電話_________________ 3 給電視臺(tái)打了電話__________________________4拍了照片_______________________ 5 騎了他的自行車_____________________________ 1 他是可怕的。_______________________________. 2 它正在爬樹。____________________________________. 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. 達(dá)標(biāo)拓展: scared/afraid 1. be scared/afraid of (doing)sth/ to do sth 2. Scared可置于名詞前作定語，而afraid無此用法。 1)許多人害怕狼。Many people are_________ _________ wolves. 2) 那個(gè)小女孩晚上不敢出門。The little girl is _________ _________ go out at night. 3) 那個(gè)受驚的小孩任然在苦。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動(dòng)詞，意為“呼喊，大聲說”；名詞，意為“呼喊；喊叫聲”。短語shout to sb 意為“向某人大喊”；shout at sb意為“向某人大喊大叫”如: I can hear you .You needn’t shout.我聽的見你說話，你不必嚷嚷。 I heard a loud shout.我聽見一聲大叫。 You shouldn’t shout at your parents。你不應(yīng)該對(duì)父母大喊大叫。 教學(xué)評(píng)價(jià) I用所給詞的適當(dāng)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.當(dāng)我在樹下玩耍時(shí)，我看見樹上有一只貓。 While I was _________ under the tree, I _________ a car _________ the tree. 2.當(dāng)我在爬山時(shí)，我聽到有人朝我喊。While I was ______ _______ the hill, I heard someone shout to me. 3.他昨天發(fā)生了什么事？What _________ _________ him yesterday? 4.我朝樹上爬時(shí)，那只小貓?zhí)铝藰�。While I was climbing up the tree, the cat ________ _____ the tree. 5.當(dāng)他在拍照時(shí)，小貓跑掉了。While he was _________ _________, the car ran away. 學(xué)后反思:
Period Four (Section B 3a-4) 學(xué)習(xí)目標(biāo)： Newwords:ran, met,happen,anywhere Key phrases: train station, run away,come in, think about doing sth. 學(xué)習(xí)重難點(diǎn)：過去進(jìn)行時(shí)的學(xué)習(xí)和運(yùn)用 前置學(xué)習(xí): 用所給動(dòng)詞的適當(dāng)形式完成對(duì)話： 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 上個(gè)星期六_____________2 在火車站________________3 從---出來_______________ 4 喊某人的名字______________________5 在火車站的外面________________________ 6 在...周圍走_(dá)___________7一場交通事故___________ 8去紐約的航班 ____________________ 9 起飛__________________________10在診所___________________________ 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?____ _____________________ 達(dá)標(biāo)拓展: …,the dog got out of the box and ran away ----.只狗沖出了箱子跑掉了。 Run away 意為“逃跑，跑開”，away 為副詞，意為“離開，遠(yuǎn)離”。 He was jumping and running with another dog.正和另一只狗跑著跳著。 1 another 此處作形容詞，意為“另一，再一，別的”通常作定語。 如：There is another seat。I can’t sit over there。還有一個(gè)座位，我可以坐那邊。 2 another 還可作代詞，意為“又一個(gè)，再一個(gè)”，表示三者或三者以上中的另一個(gè)。 如：I don’t like this pen .lease show me another.不喜歡這只鋼筆，請(qǐng)?jiān)俳o我拿一只看看。 3 another 后常接單數(shù)名詞或代詞，常有“another+基數(shù)詞+名詞復(fù)數(shù)”的形式，意為“另外幾個(gè)，再有幾個(gè)”，與“基數(shù)詞+more+名詞復(fù)數(shù)“同義。 如：“我想再買兩本書”�？杀磉_(dá)為：I want to buy another two books. I want to buy two more books. 這雙鞋子太大了，我還想要另外一雙。The shoes are too big ，so I’d like to try a_______pair。 What happened while Linda was on the telephone？當(dāng)琳達(dá)打電話時(shí)，發(fā)生什么事了？ 1 happen為動(dòng)詞，意為“發(fā)生，偶然發(fā)生”，常指具體事件的發(fā)生，特別指那些偶然的或未能預(yù)見的事件的“發(fā)生”。 主語常為“事或物”。如： A bad traffic accident happened yesterday.昨天發(fā)生了一起嚴(yán)重的交通事故。 2 如果表示“某人發(fā)生某事”，常用結(jié)構(gòu)“某事+happened（s）+to +某人�！比纾� 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.在上學(xué)的路上我碰巧遇見了我的英語老師。 take place /happen 二者都表示“發(fā)生”，都是不及物動(dòng)詞，所以不用被動(dòng)語態(tài)。而且兩者都是短暫性動(dòng)詞，不能與“一段時(shí)間”的狀語連用。 Take place表示按照預(yù)先計(jì)劃、安排某事發(fā)生。 Happen 往往表示偶然性的、沒有預(yù)料的事情“突然發(fā)生”。 如：The May 4th Movement took place in1919. 五四運(yùn)動(dòng)發(fā)生在1919年。 How did the accident happened？這次事故是怎樣發(fā)生的？ 教學(xué)評(píng)價(jià) I. 翻譯句子： (1)當(dāng)Linda 在買報(bào)紙的時(shí)候，那只狗從盒子里出來然后跑掉了。 . (2). Linda 哪也找不到它。 . (3). 他沒有想過去火車站 外看看。 . (4). 當(dāng)Linda最后看到她的狗的時(shí)候，它正在和另外一只狗在那又跳又跑呢。 . (5). 有一個(gè)警察站在他們旁邊。_______________________________________ II. 用所給詞的適當(dāng)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 ___________(到處)？ Yes , I did. But I couldn’t find it ____________(到處)。 學(xué)后反思:
Period Five (Reading) 學(xué)習(xí)目標(biāo)： 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. 學(xué)習(xí)重難點(diǎn)：會(huì)用過去進(jìn)行時(shí)描述發(fā)生的事情。 前置學(xué)習(xí): 1、在現(xiàn)代美國歷史上 2、最重要的事件之一 3、聽說 4、要求某人做某事 5、在沉默中 6、發(fā)生 7、不是所有的 8、在月球上散步 9、在太空中 10、圍繞地球的飛行 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 ________ _________(聽說)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 ________ ________(發(fā)生)about thirty years ago, before many Americans were born. (4)Even the date ― September 11, 2001 ―________ _________(對(duì)…有意義)most Americans. ⑸______ _______ (并不是所有的)events in history are ____ _________ ____(一樣可怕) this, of course. 展示交流: 連線： 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.（判斷下列句子的正誤。） （ ）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.. 問題一、Read the passage and find out the main ideas from each paragraph。（讀文章，找出每一段的主題句。） Reading strategy（閱讀策略）: It is a good idea to read the first sentence of each paragraph before you read. （在閱讀文章時(shí)，每一段的第一句話或許會(huì)幫助你加深對(duì)全文的理解。） 問題二、獨(dú)自完成下列問題，小組訂正答案。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? 達(dá)標(biāo)拓展: 1. as……as 的用法as 與 as 之間加詞形容詞或副詞的原級(jí),其否定用法為：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“發(fā)生”的意思。 happen 有“碰巧發(fā)生，偶然發(fā)生”的意思。固定詞組為“happen to sb.”, 如：What happened to him ? He had an accident yesterday . take place 往往表示必然性的發(fā)生或計(jì)劃內(nèi)安排的發(fā)生。 如：It will take place sooner or later(遲早)。 教學(xué)評(píng)價(jià) I用所給動(dòng)詞的適當(dāng)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.正當(dāng)琳達(dá)買報(bào)紙的時(shí)候，狗從箱子里出來然后跑掉了。 While Linda was buying a newspaper, the dog ___ ___ ___the box and___ ____ . 2.格林一家人正在考慮去長城。The Greens are ______ _______ going to the Great Wall. 3.湯姆發(fā)生了什么事？ What _______ ______Tom? 4.對(duì)我來說，學(xué)開小汽車很難。It’s ________ for me ____learn to drive a car. 5.我在學(xué)校外面遇到了一位老朋友。He met an old friend______ _______ ________ . 6. 當(dāng)你聽說這件事時(shí)，你在干什么？ you when you the event? 7.劉翔在2004年雅典奧運(yùn)會(huì)上奪得了金牌。 Liu Xiang a gold medal Athens Olympic Games in 2004. 8.長城聞名全世界.The Great Wall is famous . 9. 這座建筑物被一些恐怖分子毀壞了。 This building some . III單項(xiàng)選擇。 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 _____ comput er. A. plays B. playing C. is playing D. was playing 學(xué)后反思: Period Six (Self check) 學(xué)習(xí)目標(biāo)：重點(diǎn)短語及句子 學(xué)習(xí)重難點(diǎn)：過去進(jìn)行時(shí)態(tài) 前置學(xué)習(xí): 1. barber ________ 2. bathroom _________3. kitchen ________4. alien _____________ 5. land _______ __ 6. while ____________7. experience ______8. imagine __________ 9. follow _________10. a mazing _________ 11.strange ________12 scared. ___________ 13.climb _________14. jump ____________15.shout_________16. anywhere__________ 17.happen________18. accident__________ 19.plane__________ 1.出來_________________________2.起飛_______________________3.逃跑____________________ 4.進(jìn)來____________5.某人發(fā)生某事_________________6.有一次不尋常的經(jīng)歷 _________________ 7.考慮做某 事_____________8.上車（飛機(jī)）_____________9.在樹上_______________ 10.在…的前面______________11.跟著某人做某事 ________________12.對(duì)某人大喊_____________ 展示交流: 1.UFO到來時(shí)你在做什么？What _______ you _______ _______ the UFO arrived? 2.那個(gè)男孩正在街上走時(shí)，UFO著陸了。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.這是美國現(xiàn)代史上最重要的事件之一。This was one of _______ _______ _______ _______ in modern American history. 5.當(dāng)然，并不是歷史上所有的事情都這么可怕。_______ _______ events in history are _______ terrible _______ this, of course. 合作探究: 過去進(jìn)行時(shí) 1）含義及構(gòu)成 表示過去某一時(shí)刻或某一段時(shí)間正在進(jìn)行或發(fā)生的動(dòng)作，其結(jié)構(gòu)為______________ 2）用法 1 表示過去某一時(shí)刻或某一段時(shí)間正在進(jìn)行或發(fā)生的動(dòng)作。at 3:00 yesterday afternoon, in those days, at this time yesterday等。 2 表示過去某一動(dòng)作發(fā)生時(shí)，另一個(gè)動(dòng)作正在進(jìn)行，持續(xù)時(shí)間長的動(dòng)作用過去進(jìn)行時(shí)態(tài)，常用于while引導(dǎo)的時(shí)間狀語從句中。 （2）I _______ (play) computer games at nine o'clock last night. （3）They _______ (have)an English class at this time yesterday. （4）The man _______ (walk)in the park when the UFO arrived. （5）While the alien _______ (visit) the museum, the boy called the TV station. （6）He said he was _______ (leave)for Shanghai soon. 3)過去進(jìn)行時(shí)否定結(jié)構(gòu)：_____________________ +v-ing 一般問句結(jié)構(gòu)：_______ +主語+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 yesterda y.(一般問句） 3 They were having a party when I knocked at the door.(就劃線部分提問) 達(dá)標(biāo)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. 教學(xué)評(píng)價(jià) I用所給動(dòng)詞的適當(dāng)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.正當(dāng)琳達(dá)買報(bào)紙的時(shí)候，狗 從箱子里出來然后跑掉了。 While Linda was buying a newspaper, the dog _ __ _ the box and_ _ __ . 2.格林一家人正在考慮去長城。The Greens are __ ___ __ going to the Great Wall. 3.湯姆發(fā)生了什么事？ What __ _____ _____ _Tom? 4.對(duì)我來說，學(xué)開小汽車很難。It’s ____ for me __ __learn to drive a car. 5.我在學(xué)校外面遇到了一位老朋友。He met an old friend___ ____ _ ____ . III單項(xiàng)選擇。 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
