八年級英語 第3單元2課時課件 人教新目標(biāo)版.ppt

unit3 whatwereyoudoingwhentheufoarrived sectiona2a 2c whatwasshedoingwhentheufoarrived shewassleeping inthebedroom shewassleepinginthebedroomwhentheufoarrived wherewasshewhentheufoarrived shewasinthebedroom hewascooking inthekitchen hewascookinginthekitchenwhentheufoarrived whatwashedoingwhentheufoarrived hewasinthekitchen wherewashewhentheufoarrived whatweretheydoingwhentheufoarrived theywerehavingahaircut inthebarbershop abarber theywerehavingahaircutinthebarbershopwhentheufoarrived whereweretheywhentheufoarrived theywereinthebarbershop pairwork a whatwashe shedoingwhentheufoarrived b he shewas whenitarrived a whatwereyoudoingwhentheufoarrived b iwas gettingoutoftheshower 2alistenandorderthesestatements 1 5 thealienvisitedthemuseumofflight thealienboughtasouvenir aufolandedoncenterstreet thealienwentintoastore analiengotoutoftheufo alien外星人 buy bought land著陸 get got 1 2 3 4 5 theboywaswalkingdownthestreet aufolanded thegirlwasshopping shesawthealiengotout thealienwasbuyingasouvenir thegirlcalledthepolice thealienwasvisitingthemuseum theboycalledthetvstation when when while while listenandcompletewith when and while thinkandcompare theboywaswalkingdownthestreetwhenaufolanded whiletheboywaswalkingdownthestreet theufolanded whilethegirlwasshopping thealiengotout thegirlwasshoppingwhenthealiengotout iknow 比較 when and while 2 whentheufolanded theboywaswalkingdownthestreet whiletheboywaswalkingdownthestreet theufolanded 1 whenthealiengotout thegirlwasshopping whilethegirlwasshopping thealiengotout targetlanguage thinkandcompare whenandwhile bothofthemmean 當(dāng) 的時候 aretheythesame no 比較 when and while when 當(dāng) 時候 后面跟的動作不延續(xù) 常跟一般過去時whentheufotookoff theboywastakingphotos 2 while 當(dāng) 時候 后面跟的動作延續(xù) 常跟過去進(jìn)行時whiletheboywastakingphotos theufotookoff when和while的用法與區(qū)別 1 延續(xù)性動詞和非延續(xù)性動詞延續(xù)性動詞指動作可以延續(xù)一段時間 而不是瞬間結(jié)束 如 work study drink eat等 非延續(xù)性動詞指動作極為短暫 瞬間結(jié)束 如 gocomeleavebuylendborrowjoinfinishstart begin hit jump knock等 summary 1 when可指時間點(diǎn) 又可指時間段 從句中可用延續(xù)性動詞 也可用非延續(xù)性動詞 2 while總是指一個時間段 從句中必須用延續(xù)性動詞 3 統(tǒng)一時態(tài) 主句過去式 從句也是過去式 1 while當(dāng) 時候 后面跟的動作延續(xù) 多用進(jìn)行時態(tài) 2 when當(dāng) 時候 后面跟的動作不延續(xù) 多用過去時態(tài) 用when while填空 whatwereyourclassmatesdoing youcameintotheclassroom iwaswalkingtoschoolyesterday imetmyoldfriendjenny wewereplayinggames someoneknockedatthedoor myfatherwasreadingthenewspaper mymotherwaswatchingtvlastnight 答案 when while while while iwaswalkingdowncentrestreetwhenaufolanded walkdown along沿著 走land 著陸 下降 動詞 takeoff 起飛 e g theplanelandedsafely makesentenceswithwhenorwhile i hewas when whiletheteachercameintotheclassroom when whilei hewas thetelephonerang whateachpersonwasdoingwhentheufolanded makesentencewith when and while thenimaginewhatyouweredoing a whatwasthegirldoingwhentheufotookoff b whilethegirlwas c whentheufotookoffthemanwas reporter talkwithapoliceman rideabike eatanice cream takephotos task2use whentheufotookoff he shewas whilehe shewas theufotookoff 他昨天抵達(dá)北京 he inbeijingyesterday he tobeijingyesterday he beijingyesterday 答案 arrived got reached 飛機(jī)將在一個小時后起飛 theplanewill inanhour 睡覺前你得脫掉鞋子 youneedto yourshoesbeforegoingtobed 你必須照顧好你自己 youmust good yourself 答案 takeoff takeoff take careof exercises choose when or while tofillintheblanks 1 iwaswalkinginthestreet theaccidenthappened 2 iwasdoingmyhomework thetelephonerang 3 itwasraining theplanetookoff 4 theteacherwasspeakingtoclass nickstoodupsuddenly when while while while 二 translatethesesentencesintoenglish 上課鈴響時 你在干什么 what you whentheclassbellrang 當(dāng)我媽媽進(jìn)來時我正在看書 i whenmymothercamein 昨天晚上十點(diǎn)鐘她正在做飯 she atteno clock were doing wasreading wascooking lastnight yesterdayevening fillwith while or when 1 maywastalkingonthephone hersisterwalkedin 2 ritaboughthernewdog itwaswearingalittlecoat 3 isawcarlos hewaswearingagreenshirt 4 iwasdancing hewassingingloudly 5 lindafinallysawdavy hewasjumpingwithadog 6 iwascleaningmyroom thefirebrokeout when while while when when when 7 weweretalking theteachercameintotheclassroom 8 iwassinging hewasdancing 9 iwascuttinghair theufolanded 10 theboyswereplayingbytheriver tomfellintotheriver 11 mymotherwaswashing myfatherwascooking 12 whatwereyoudoing theufoarrived when when when while while while 1 theyweretalking thebellrang 正在他們談話的時候 上課鈴響了 2 iwasdoingmyhomework mymothercamebackhomeyesterdayevening 昨天晚上媽媽回家的時候 我正在做家庭作業(yè) while when fillinthebl