八年级英语上册8Aunit 6 grammar 过去进行时态课件牛津版.ppt

unit6 grammarapastcontinuoustense 所学过的句子时态 一般现在时 如itisfinetoday 一般过去时 如iwenttoschoolonfoot 现在进行时 如wearehavingourenglishclasstoday 一般将来时 如iamgoingto shall willvisitmyunclethisweekend 今早7 00我在吃早饭 昨晚8 00 10 00他在看电视 iwaseatingbreakfastat7 00thismorning lastnightfrom8 00to10 00hewaswatchingtv 过去进行时1 定义 2 结构3 状语标志 过去进行时的基本用法表示过去某一时刻正在进行的动作以及过去某一段时间内持续进行的动作 常与表示过去的具体时间 如 atthattime atthistimeyesterday at9 00lastnight atthatmoment等连用 你能说出下列句子的否定句 一般疑问句及肯定回答和否定回答吗 iwasrunning danielwastalkingtomillie 你能对划线部分进行提问吗 有时为了句子表达的需要 我们可以用复合句来表达过去进行时 如昨晚当我到家的时候 妈妈和爸爸正在看电视 刚才当老师走进教室的时候 学生门正在读书 在这些句子中 when引导的句子表过去的某一个具体的时间 when从句用一般过去时 而它的主句用过去进行时 但是若强调某个动作正在进行中时 又发生了别的动作 用when从句 when从句必用过去进行时 主句用一般过去时 表示在when从句正进行期间又发生了主句的动作 此时 when while 表时间段 如当学生们正在读书时 老师走进了教室 昨晚当爸爸和妈妈正在看电视时 我到家了 when whilewewerehavingsupper thelightwentout when whilehewasridingabike hefelloffandhurthisleg 若主 从句两个动作同时进行 用while 则主句与从句都用进行时 此时 while译为 而 一边 一边 如hewasreadingthenewspaperwhileiwasstudying beibeiwassingingwhilepingpingwasdancing shewasdoingherhomeworkwhileshewaslisteningtomusic tom play football is ing lucy is read abook ing whatistomdoing whatislucydoing presentcontinuoustensebe am is are verb ing tom play football was ing lucy was read abook ing whatwastomdoingjustnow whatwaslucydoingat2 30p myesterday they watch tvfrom6 8lastnight were ing thetwins think were ing whatweretheydoingfrom6 8lastnight whatwerethetwinsdoingatthistimeyesterday pastcontinuoustensebe was were verb ing 二 用法 1 表示在过去某个时间点正在发生的动作 常与attenlastnight at thistimeyesterday atthattime moment whenicamein等连用 2 表示在过去某段时间之内持续不断发生的动作 常与lastnight thismorning from to from7to10thismorning 连用 hewrotealetterthismorning hewaswritingaletterthismorning 区别 今天上午他写了一封信 今天上午他一直写信 3 过去进行时的主要用法是描述一件事发生的背景 一个长动作发生的时候 另一个短动作发生 theearthquakestartedwhileiwasdoingsomeshopping 连词while与过去进行时 当两个延续性动词同时进行时 我们可以在两个句子中都用过去进行时 并用while连接 表对比 常译为 而 1 peoplewererunningwildlywhilepiecesofglassandbrickswerefallingdown 2 suzywasmakingasnowmanwhilekittywasstandingbesideher when和while作并列连词时 when意为 就在这时 突然 相当于andthen while则表示 而 却 相当于but yet 1 iwaswalkingwhensomeonecalledmefrombehind 2 shewasdoingherhomeworkwhilehermotherwascooking 3 ilikeappleswhilemysisterlikesoranges 过去进行时的时间状语atthistimeyesterday atthattime atnineyesterdaymorning thewholeafternoon from6 00to8 00yesterdaymorning巩固练习 1 what yourbrother do atnineo clocklastnight 2 they listen tomusicatthattime 3 whenisawhim he search theinternet 4 they discuss aprobleminthemeetingroomatthistimeyesterday 5 amy visit thesciencemuseumfrom9 00a m to11 00a m yesterday was doing werelistening wassearching werediscussing was visiting 填上合适的词组 theycalledthepoliceat8 00a m hisfather scar becauseoftheterribleweather hoboandeddie onthefloorwhenwecame 4 ilookedoutofthewindowandsawmanypeople atthatbusstop 5 they ifyoudon tcheerforthem usingthemobilephone brokedown weremoppingupthewater waitingforabus willlosethegame 巩固练习mywalletdroppedontheground iwasrunning 2 iwasfallingasleep therewasaloudknockonthedoor 3 hewasreading anearthquakestarted 4 werethestudentslisteningtotheteachercarefully theteacherwasgivingalesson 5 thetelephonerang ibecamenervous while when while while when completetheconversationwiththecorrectformsoftheverbsinbrackets daniel itriedtocallyoulastnightbutyourphonelinewasbusy what you do amy when you phone me daniel itwasaboutseven were doing did phone amy oh i talk tomillieonthephone i tell heraboutmytriptoshenzhen she plan togotherewithherfamilyduringtheholiday why you call me wastalking wastelling wasplanning did call daniel i do mymathshomeworkandi notunderstand onequestion butnevermind i ask simonalready wasdoing didn tunderstand haveasked 过去进行时的句式 1 基本结构 was were v ing 2 否定式 was werenot v ingwasnot wasn twerenot weren t 3 疑问句 将was were调到主语前 completethequestionsandanswers usingthepastcontinuoustense 1 wasmisslu make testpapersat1 30pm yes 2 mrhu sassistants do anexperimentatlunchtime no making shewas were doing theyweren t 过去进行时与一般过去时的区别1 过去进行时着重描述当时正在进行的动作 它的特点是 未完成 强调过程 一般过去时表示一个业已完成的动作 表示动作发生过 而且已经结束了 强调结果 mary adresswhenshecutherfinger a madeb ismakingc wasmakingd makes wasmaking表示正在做衣服的过程 如用made则表示这一动作已结束 做衣服的动作已结束与cutherfinger就没有联系 2 he write aletter thenwenttobed wrote wrote表示动作已结束 做另一件事 如用waswriting就与wenttobed在逻辑上相矛盾 2 过去进行时侧重表示动作的延续 一般过去时表示过去某时发生过某事 侧重说明事实 he allnightlastnight 生动的描写 他一直写 he so