初中英语人教版八年级下册第二课时.ppt

Unit5 SectionAPeriod2 3a 4c 3a Readthepassageandanswerthequestions 1 Whatwastheweatherlikebeforetheheavyrainstarted Strongwindswereblowing andblackcloudsweremakingtheskyverydark 2 Whatwastheneighborhoodlikeafterthestorm Theneighborhoodwasinamess Therewerefallentrees brokenwindowsandrubbisheverywhere Completethesentencesusinginformationfromthepassage 3b 1 WhenthenewsonTVwasreported strongwinds outside 2 WhileBen smomwasmakingsuretheradiowasworking hisdad wereblowing wasputtingpiecesofwoodoverthewindows 3 Ben whentheheavyrainfinallystarted 4 WhenBen at3 00a m thewind washelpinghismommakedinner fellasleep wasdyingdown 3c Discussthequestionswithapartner Althoughthestormbrokemanythingsapart itbroughtfamiliesandneighborsclosertogether Whatotherthingscanbringpeopleclosertogether Howcanwehelpeachotherintimesofdifficulty 4a Lookatthetableandwritesentenceswithbothwhileandwhen WhileJohnwastakingphotos Maryboughtadrink JohnwastakingphotoswhenMaryboughtadrink WhileJohnwasplayingthepiano Maryleftthehouse JohnwasplayingthepianowhenMaryleftthehouse WhileJohnwascleaninghisroom Maryturnedontheradio JohnwascleaninghisroomwhenMaryturnedontheradio WhileJohnwasshopping Marytookthecartothecarwash JohnwasshoppingwhenMarytookthecartothecarwash 4b Fillintheblankswithwas were whenorwhile At7 00a m Iworkup I makingmybreakfast mybrother listeningtotheradio Iwaseating theradionewstalkedaboutacaraccidentnearourhome MybrotherandIwentoutrightawaytohavealook wegottotheplaceoftheaccident thecar while was was while When was inbadshapefromhittingatree Butluckily thedriver fine Theroads icybecauseoftheheavysnowfromthenightbefore was were whenandwhile Bothofthemmean 当 的时候 Aretheythesame No when引导的时间状语从句可以表示一个时间点 也可以表示一个时间段 从句中可以用短暂性动词 也可以用延续性动词 Itwassnowingwhenwegottotheairport 我们到达机场时 天正下着雪 MykeydroppedonthegroundwhenIwaswalkinginthepark 我在公园散步时 钥匙掉在了地上 when while while引导的时间状语从句常指一个时间段 从句中的动词常为延续性的 while有时还可表示主句的动作与从句的动作同时发生 Whilehewasreading thephonerang 他正在看书时 电话铃响了 Somestudentswerereadingwhileotherswerewriting 一些学生在读书 另一些学生在写字 2009四川泸州 Whatwereyoudoing ZhangFancamein A whenB whileC where 解析 三个选项分别意为 当 时 与 同时 哪里 结合题意 当张凡进来时 你正在做什么 可排除B C二项 故选A 4c WhatwereyoudoingatthesetimeslastSunday Fillinthechart Thenaskyourpartner 用所给词的适当形式填空1 I help mymotherwithhouseworkatteno clocklastSunday 2 Thegirl have apianolessonatthistimeyesterday 过去进行时的用法 washelping washaving 3 They talk aboutthefilmwhentheteachercamein 4 Whilehe wait forthebus hereadanewspaper 5 Hesaidhewas leave forShanghaisoon weretalking waswaiting leaving 一 含义及构成过去进行时表示过去某一时刻或某一段时间正在进行或发生的动作 其结构为 was were v ing 过去进行时 二 用法1 表示过去某一时刻或某一段时间正在进行或发生的动作 与过去某一特定的时间状语连用 常见的有 at3o clockyesterdayafternoon inthosedays atthistimeyesterday等 2 表示过去一个动作发生时 另一个动作正在进行 持续时间长的动作用过去进行时 常用在while引导的时间状语从句中 3 过去进行时的特殊用法 与go come leave start等瞬间动词连用时 过去进行时表示过去将要进行的动作 句型转换1 Katewasdrawingpictureswhenhermothercameback 改为否定句 Kate pictureswhenhermothercameback 2 Shewasbabysittinghersisteratthistimeyesterday 改为一般疑问句 she hersisteratthistimeyesterday wasn tdrawing Wasbabysitting 3 TheywerehavingapartywhenIknockedatthedoor 就划线部分提问 they whenyouknockedatthedoor Whatweredoing 1 过去进行时的否定句结构为 was were not v ingwas与not常缩写为wasn t were与not常缩写为weren t 2 过去进行时的一般疑问句结构为 Was Were 主语 v ing 其他 3 过去进行时的特殊疑问句结构为 疑问词 was were 主语 v ing 其他 用when或while填空1 Whatwereyoudoing theearthquakehappened 2 Iwasshoppinginthesupermarket ImetmyfriendNancy when While 3 Iwassleeping mycousincametoseeme 4 Mymotherwasdoingthehousework Iwasdoingmyhomework 5 thealienwasintheshop thegirlcalledthepolice when while While 1 when表示 当 的时候 从句中既可用延续性动词 又可用非延续性动词 这些动词既可表示动作 又可表示状态 从句中的动作既可与主句的动作同时发生 又可在主句的动作之前或之后发生 when和while引导的时间状语从句 2 while表示 在 的时候 在 期间 它强调主句的动作与从句的动作同时发生或主句的动作发生在从句的动作过程中 while从句中的动词必须是表示动作或状态的延续性动词 1 What be you do whenhearrived 2 Jim sleep whenIcamein 3 They watch TVat8 00yesterdayevening 4 Nowhe read and were doing wassleeping werewatching isreading writing A Fillintheblankswiththegivenwords B TranslatethesesentencesintoEnglish 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 yesterdayevening 4 当天开始下雨时 孩子们正在玩游戏 Thechildren gameswhenit torain 5 当我进来时 那只猫逃跑了 Thecat whenI wereplayi