英语人教版八年级下册Unit5 Grammar过去进行时kejian.ppt

Unit5 rammar Whatisthegirldoingnow Whatistheboydoingnow Whatisthemandoingnow Sheisrunningnow Heissleepingnow Heiscookingnow Revision 现在进行时的用法与构成 1 用法 表示现在正在进行或一段时间内正在进行的动作 3 标志词 now listen look It s8o clock 4 句型 否定句 主语 is am are not doing 其它 肯定句 主语 is am are doing 其它 一般疑问句 Is Am Are 主语 doing 其它 Yes 主语 is am are No 主语 isn t amnot aren t 特殊疑问句 特殊疑问词 is am are 主语 doing 其它 旧知回顾 2 构成 am is are doing 动词现在分词 ThePastContinuousTense 过去进行时 过去进行时的用法与构成 表示在过去某一时刻或某一段时间正在进行的动作 atthis that timeyesterdayfrom8 00to10 00lastnight at6p m lastMonday thosedays 4 句型 否定句 肯定句 一般疑问句 特殊疑问句 新知迁移合作探究 was were doing 动词现在分词 1 用法 2 构成 3 用过去进行时的时间状语 was were 判断方法 通常会有一个 表示过去某个时间点或时间段 的时间状语 用法解析 ppt 主语是人称I she he it用 主语是人称you we they用 主语 was weredoingsth 主语 wasn t weren tdoingsth Was Were 主语 doingsth Yes 主语was were 疑问词 was were 主语 doingsth No 主语wasn t weren t Whatwasthegirldoingat6 00yesterday Shewasrunningat6 00yesterday Whatwastheboydoingat7 00yesterday Hewassleepingat7 00yesterday Whatwasthemandoingat8 00yesterday Hewascookingat8 00yesterday Kitty gofishing at9 00lastSunday Kittywasgoingfishingat9 00lastSunday Piggy climbupanddown from2 00to4 00yesterdayafternoon Piggywasclimbingupanddownfrom2 00to4 00yesterdayafternoon Pleasemakesomesentences Piggy playfootball atthistimeyesterday Piggywasplayingfootballatthistimeyesterday Candy singanddance between7 30and8 25lastnight Candywassinginganddancingbetween7 30and8 25lastnight atthetable onthebasketballground underthetree ontheplayground Whatwas were V ing B was wereV ing at5p m lastSunday 一般过去时 强调结果 做过了某事 过去进行时 强调过程 正在做某事 过去进行时与一般过去时的区别 难度提升 她昨晚给朋友写了封信 她昨晚一直在给朋友写信 Shewrotealettertoherfriendlastnight Shewaswritingalettertoherfriendlastnight 1 I see acaraccidentlastnightbecauseI take awalkwithmymother saw wastaking 2 Mybrotherandsister argue aboutsomethingwhenI walk intotheroom werearguing walked 过去进行时和When连用Awas were doingsth WhenB didsth 延续性动词 短暂性动词 表示当B动作发生了的时候A动作正在发生 延续性动词和非延续性动词延续性动词指动作可以延续一段时间 而不是瞬间结束 如 work study drink eat keep等 非延续性动词指动作极为短暂 瞬间结束 如 start begin borrow lend leave等 Thestudentsweredrawingwhentheteachercamein MaryJimLiLeiLilyLucySue Thepeoplewerewaitingforthebuswhentherainstormcame 过去进行时和while连用Awas were doingsthWhileB was were doingsth 延续性动词 延续性动词 表示当B动作在发生的时候A动作也在发生 即两件事情同时发生 所以主从句可无先后顺序 While Theboywasplayingbasketballwhilethegirlwassleeping Usewhiletodescribe 描述 pictures Amonkeywasclimbingthetreewhiletwocatsweregoingfishing at3p m yesterday at9p m yesterdayArabbitwasplayingtheguitarWhileapigwassleeping 我妈妈在做饭 同时 我爸爸在看报纸 Mymotherwascookingwhilemyfatherwasreadinganewspaper 我在擦窗户的同时 我哥哥在扫地 Iwascleaningthewindowswhilemybrotherwassweepingthefloor 当他离开的时候 我正在看书 Iwasreadingabookwhenheleft 总结1 1 when可指时间点 又可指时间段 从句中可用延续性动词 也可用非延续性动词 2 while总是指一个时间段 从句中必须用延续性动词 3 由when引导的时间状语从句 主句用过去进行时 从句应用一般过去时 如果从句和主句的动作同时发生 两句都用过去进行时的时候 多用while引导Eg Whentheteachercamein weweretalking 当此句改变主从句的位置时则为 Whileweweretalking theteachercamein 总结2when while 用作连词 都是 当 时 的意思 when引导的时间状语从句 通常使用一般 过去 时while引导的时间状语从句 通常使用 过去 进行时while前后的动词都是进行时态时 while表示同时 WhatwerethefamilydoingWhentherainstormcame Sandy Twinbrothers Tom father mother dog Summary Makefivesentenceswith when and while onpage36 2 Previewtheconversationonpage34 readitfluently Languagetest 1 昨天晚上8点你在干什么 我在洗澡 2 暴风雨时她在干什么 她在做作业 3 暴风雨来时他在干什么 暴风雨来时他在图书馆看书 4 当天开始下大雨时Ben在干什么 当天开始下大雨时Ben在帮他妈妈做饭 5 当Linda在睡觉时Jenny在干什么 当Linda在睡觉时Jenny在帮Mary做作业 1 Jenniferwasreadingamagazine hissisterwaslisteningtothepopmusic A WhileB WhenC Whattime2 Iwastryingtodrawacatontheboard theteachercamein A whileB whenC whattime3 MybestfriendvisitedmyhousewhileI dinnerinthekitchen A cookedB cookingC wascooking 练一练 A B C 4 DickgavemeanotewhileI inthelibrary Iguesshemadeittosay sorry toyou 2007黄冈市 A amreadingB wasreadingC readsD willread5 Whatdidtheteachersayjustnow Sorry Ididn tcatchit I somethingelse A thinkB willthinkC wasthinkingD hadthough B C Translatethesesentences 1 上课铃响时 你在干什么 What you whentheclassbellrang 2 当我妈妈进来时我正在看书 I whenmymothercamein 3 昨天晚上十点钟她正在做饭 She atteno clock were doing wasreading wascooking lastnight 4 当飞机起飞的时候 天正下着大雪 It heavilywhentheplane 5 瞧 孩子们正在追逐一只小猫 Look Thechildren alittlecat 6 我女儿正在写信时 其他的孩子都在外面玩耍 Mydaughterwaswritingaletter theotherchildren outside tookoff wereplaying wassnowing arerunningafter while 1 昨天早上9点钟你在干什么 2 暴风雨来时 小明正在骑自行车 3 那时候 他们正在做家庭作业 Whatwereyoudoingat9o clockyesterdaymorning XiaoMingwasridinghisbikewhentherainstormcame Theyweredoingtheirhomeworkatthattime 翻译 4 今早给你打电话的时候 你正在干什么 5 当他在睡觉的时候他梦见了他的爷爷 6 当李雷在吃早饭时 吉姆进来了 WhatwereyoudoingwhenIcalledyouupthismorning Whilehewassleeping hedreamedabouthisgrandfather WhileLiLeiwashavingbreakfast Jimcamein 一 选择1 IfirstmetLisathreeyearsago She ataradioshopatthattime A hasworkedB wasworkingC hadbeenworkingD hadworked2 ThereportersaidtheUFO fromeasttowestwhenhesawit A traveledB wastravelingC hadbeentravelingD wastotravel3 Thestudents busilywhenMissBrown theclassroom A wrote leftB werewriting wasleavingC wrote wasleavingD werewriting left 二 填空 1 What you do at9yesterday 2 I watch TVwhenmymother come in 3 He do hishomeworkathalfpasttenyesterdaymorning 4 Thechildren play footballatfouryesterdayafternoon 5 Thebaby sleep whenthemothercameback 6 Thepianist 在弹钢琴 atthistimeyesterday weredoing waswatchingcame wasdoing wereplaying wassleeping wasplayingthepiano 三 按要求转换句型1 WewerehavingaPEclassatfouryesterdayafternoon 否定句 We aPEclassatfouryesterdayafternoon 2 Katewasgoingoverherlessonsateightlastnight 改为一般疑问句 并做肯 否定回答 Kate overherlessonsateightlastnight she she 3 Heranintheparkyesterday 用atthistimeyesterday改写 He intheparkatthistimeyesterday 4 Theywereplayingcomputergamesatninelastnight 对划线部分提问 they atninelastnight 5 Iwasreadingnewspapersatthreeyesterdayafternoon 对划线部分提问 you atthreey