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1、Unit 3,What were you doing when the UFO arrived?,语法重点,本单元的重点是过去进行式和一般过去式:主要用词是When以及while When例句：The boy was walking down the street when the UFO landed. While例句：While the boy was walking down the street,the UFO landed.,目标句型,1. What were you doing when.? 2. I was doing sth. when. 3. How about. / Wha
2、t about.? 4. What happened next? 5. While sth./sb. was doing sth., I did.,过去进行时的构成： 肯定形式：主语+was/were+V-ing 否定形式： 主语+was not (wasnt)/were not (werent)+V-ing 疑问形式：Was/Were+主语+V-ing。,基本用法： 1.过去进行时表示过去某一段时间或某一时刻正在进行的动作。常与之连用的时间 状语有，at that time/moment, (at) this time yesterday (last night/Sunday/week),
3、at+点钟+yesterday (last night / Sunday)，when sb. did sth等时间状语从句，如： What were you doing at 7p.m. yesterday?昨天晚上七点你在干什么？ I first met Mary three years ago. She was working at a radio shop at the time.我第一次遇到玛丽是在三年前，当时她在一家无线电商店工作。 I was cooking when she knocked at the door.她敲门时我正在做饭。 2. when后通常用表示暂短性动词，whi
4、le后通常用表示持续性动词，因此它所引导的状语从句中，谓语动词常用进行时态，如： When the car exploded I was walking past it.= While I was walking past the car it exploded. 3.when用作并列连词时，主句常用进行时态，从句则用一般过去时，表示主句动作发生的过程中，另一个意想不到的动作发生了。如： I was walking in the street when someone called me.我正在街上走时突然有人喊我。 4. when作并列连词，表示“（这时）突然”之意时，第一个并列分句用过去进
5、行时，when引导的并列分句用一般过去时。如： I was taking a walk when I met him.我正在散步，突然遇见了他。 We were playing outside when it began to rain.我们正在外边玩，这时下起雨来了。,目录,单词 词组 重点句子,Bathroom(浴室) bedroom(卧室) kitchen(厨房)barber(理发师) Alien(外星人)murder(谋杀）playground(运动场）bell(门铃） Silence(寂静）terrorist(恐怖分子）meaning(意思)flight(航班） Earth(地球）
6、hero(英雄)tragedy(悲剧) Bought(buy的过去式）land(着陆）got (get的过去式) follow(跟随) kid(欺骗) climb(爬) jump(跳跃) shout(呼喊) Rode(ride的过去式) ran(run的过去式)met(meet的过去式) Happen(发生)heard(hear的过去式)kill（杀死）rang(ring的过去式) fold(fell的过去式)close(关系)destroy(坏)became(become的过去式)flew(fly的过去式),读一读,记一记,Saw a cat in a tree Called the new
7、spaper Took a photos Said Good boy be to scared Called the police Rode his bicycle On this day Be killed,Heard about At that time Having fun Closed for the day The world trade Has meaning to most Americans As terrible as this Become famous,想一想,The boy was walking down the street when the UFO landed.
8、 While the boy was walking down the street the UFO landed. The girl was shopping when the alien got out. While the girl was shopping the alien got out. I had a very unusual experience on Sunday.,Reading中的句子,1.People often remember what they were doing when they heard the news of important events in
9、history. 2. He was just a school student at that time, 3. Our teacher asked us to stop what we were doing and listen. 4. Robert and his friends walked home together in silence 5. In more recent times, most Americans remember what they were doing when the World Trade Center in New York was destroyed
10、by terrorists.,6.Many Americans also say they remember what they were doing when man first walked on the moon on July 20, 1969. 7. His flight around the Earth lasted about 22 hours. 8. When he returned, he became a national hero in China, and became famous all over the world. 9. YangLiWei became the
11、 first Chinese astronaut in space. Yang went into space on October 15, 2003.,做一做,I had a very unusual experience on Sunday.At_1_ten oclock in the morning ,I was walking down the street when a UFO _2_right in front of me .You can imagine how _3_it was!An Alien _4_out and walked down Centre Street .I
12、followed _5_to see where it was going , and was very_6_when it went into a souvenir shop.while it was looking_7_the souvenirs, The shop assistant_8_the police.Before the police arrived, the alien left the shop and shop And then visited the Museum of Flight.While the alien was in the museum ,I called
13、 the the TV station .Is not that amazing!,( )1A. all B.least C.first D.around ( )2A.took off B.landed C. flew D.stopped ( )3A.happy B.strange C.execiting D.upset ( )4A.got B.jumped C.climbed D.ran ( )5A.them B.him C.it D.that,( )6A.excited B.exciting C.surprising D.surprised ( )7A.for B.at C.out D.a
14、fter ( )8A.called B.asked C.shouted D.visited,你做对了吗,D B B A C D B A,口语交际,Boy:what a day I had! Girl:Tell me about it,John. Boy:well,( )I was walking to school ,I saw a cat in a tree. Girl:What ( ) you do? Boy:I ( ) Girl:And you got the cat? Boy:Nope,I was climbing the tree( ) a man saw me. So I stop
15、ped climbing.,while,did,when,Climbed the tree,Girl:Then what happened ? Boy:Then the man called the police.And ( ) the man calling the police ,a woman ( ) the newspaper. Girl:And then what happened ? Boy:And then( ),first.And ( )he taking the photo ,the cat ( )the tree again. Girl:And what did you d
16、o ? Boy:What do you think?,while,called,while,went,the newspaper reporter arrived,A meteorite (陨石) almost hit an 80-year-old man named Arthur Pettifer in Britain when he was working in his garden. The meteorite was the biggest in the past 26 years in Britain. The meteorite weighed (重量) one kilo, and
17、 might be over four thousand million (百万) years old. “I hear the big noise in the air. I looked up and saw the tops of the trees coming and going,”he said. “I didnt know what it was.” Meteorites are small things from the small planets in space. About 3,500 meteorites may fall on earth every year, but only very few are found. Mr .Pettifers meteorite is the fifth to fall in Britain since the Second World War. Mr. Pettifer is glad.“When you think about it coming from so far away, it really is something strange.”,
