Unit3Whatwereyoudoingwhenthearrived?1.最早发现于埃及,据今3400多年.2.第一个目睹飞碟的人是美国人:马丁3.查尔斯.福特是第一个研究飞碟的人.4.中国的飞碟纪录可追溯到公元前139年.5.飞碟的特性:a.变幻莫测的形体b.动静自如的速度c.强大的电磁效应d.攻守自如TheUFOarrivedinYILIcity2005年11月22日10:23,不明飞行物飞广州上空市民拍下UFO画面过去进行时过去进行时的构成及用法：1、构成：was/were+现在分词(其中am,is—was;are—were)Iwasdoingmyhomeworkthen.那时，我正在做作业。Theywereplayingbasketballat5o’clockyesterdayafternoon.昨天下午五点他们在打篮球。2、用法：表示在过去某一时间内正在进行的动作。ShewaswritingaletterwhenIcamein.我进来时，她正在写信。Thebarberwascuttingmyhairwhentheyarrived.他们到达时，理发师正在给我剪头发。1aATVreporterisasking“WherewereyouwhentheUFOarrived?”Matchthestatementswiththepeopleinthepicture.WherewereyouwhentheUFOarrived?Iwas…WhatwereyoudoingwhentheUFOarrived?A:WhatwereyoudoingwhentheUFOarrived?B:IwassleepinglateinmybedroomwhentheUFOarrived.WhatwereyoudoingwhentheUFOarrived?IwascookingdinnerinthekitchenwhentheUFOarrived.WhatwereyoudoingwhentheUFOarrived?IwasgettingoutoftheshowerfromthebathroomwhentheUFOarrived.WhatwereyoudoingwhentheUFOarrived?IwascuttinghairinthebarbershopwhentheUFOarrived.makethebed1bListentothereporter’squestionsandcirclethecorrectresponses.Listenandrepeat:1cPAIRWORKTalkaboutwhatpeopleweredoingwhentheUFOarrived.A:WherewasthegirlwhentheUFOarrived?B:Shewasinfrontofthelibrary.A:WhatwasshedoingwhentheUFOarrived?B:Shewasstandinginfrontofthelibrary.Unit3WhatwereyoudoingwhentheUFOarrived?SectionA(2a-2c)第二课时Doyouknow?2aListenandorderthesestatements[1-5].2bListenagain.Completethefollowingsentenceswith“when”or“while”.Reporter:So,canyoutellmewhatyousawheretoday?Boy:Well,IwaswalkingdownCenterStreetwhenaUFOlanded.Reporter:Wherediditland?Boy:Righthere.Reporter:Sowhathappenednext?Girl:AnaliengotoutoftheUFO.Reporter:Whatwereyoudoing?Girl:WhenthealiengotoutoftheUFOIwasshopping.Reporter:Thenwhathappened?Boy:Well!Thenthealienwentintoastore-doyouseethestoreoverthere–andboughtasouvenir.Girl:ThenitvisitedtheMuseumofFlightonGreenStreet.Reporter:So,whatdidyoudo?Girl:Whileitwasbuyingasouvenir,Icalledthepolice.Boy:Andwhileitwasvisitin