八年级英语上册-Unit-8-Natural-disasters-Grammar省公开课一等奖新名师

Unit8NaturaldisastersGrammar1/52breakbreakdownbecauseofvi.损坏；打破broke出故障；坏掉因为；因为Wordsandexpressionreview2/52--Tomplayfootball.wasing--Lucywasreadabooking--WhatwasTomdoing

justnow?--WhatwasLucydoingat2:30p.myesterday?at2:30p.myesterday.3/52--TheywatchTVfrom6to8lastnight.wereing--Theyplaywereing--Whatweretheydoingfrom6to8lastnight?--Whatwerethechildrendoing

atthistimeyesterday?atthistimeyesterday.4/52基本使用方法

过去进行时1.表示在过去某个时间点正在发生动作.常与attenlastnight,atthistimeyesterday,atthattime/moment,whenIcamein等连用.2.表示在过去某段时间之内连续不停发生动作.常与lastnight,thismorning,from…to(from7to10thismorning)连用.Hewrotealetteryesterdaymorning.Hewaswritingaletteryesterdaymorning.区分:昨天早晨他写了一封信.昨天早晨他一直写信.5/52（1）必定句：was/were+v-ing（2）否定式：was/werenot+v-ingwasnot=wasn’twerenot=weren’t（3）疑问句：将was/were调到主语前过去进行时句式6/523.Iwasdoingsomeshoppingwhentheearthquakestarted.Whatwereyoudoingwhentheearthquakestarted?1.Theyweremakingasnowmanatthatmoment.(否疑)2.我昨天这个时候正在搜索因特网。（否疑）IwassearchingtheInternetatthistimeyesterday.Weretheymakingasnowmanatthatmoment?Yes,theywere./No,theyweren’t.Theyweren’tmakingasnowmanatthatmoment.句式改写7/52A:Whatwereyoudoingat7o’clocklastnight?B:Askandanswer8/529/52A:Whatwasyourfather/brotherdoingwhenyoucamebackhomeyesterday?B:He10/52A:Whatweretheydoingatthattimelastweek?B:11/52巩固练习What________yourbrother________(do)atnineo’clocklastnight?2.They____________(listen)tomusicatthattime.3.WhenIsawhim,he_____________(search)theInternet.4.They______________(discuss)aprobleminthemeetingroomatthistimeyesterday.5.______Amy______(visit)theScienceMuseumfrom9:00to11:00a.m.yesterday?wasdoingwerelisteningwassearchingwerediscussingWasvisiting12/52

6.I___________(sleep)whenitstartedtorain.7.I___________(sleep)whentheearthquakestarted.8.Outside,people____________(run)inalldirectionswhilepiecesofglassandbricks__________(fall)down.9.Ifeltnervousandmyheart__________(beat)fast.10.Hourslater,asI_________(try)tofindwayout,Isuddenlyheardsomenoiseaboveme.wassleepingwassleepingwererunningwerefallingwasbeatingwastrying13/52Itwassnowingthismorning.DoyouknowwhatSandywasdoingearlythismorning?Whathappenedtoher?Completetheconversationbelow.AsnowstormhitSunshineTown14/52Mr.Wu:Whataterriblesnowstorm!Itstartedataboutseventhismorning.I______________(read)thenewspaperthen.What______you______(do),Simon?Simon:I_____________(have)breakfast.Mr.Wu:Whataboutyou,Millie?wasreadingwerewashavingdoing15/52Millie:I____________(walk)tothebusstop.Sandy,Isawyouandyourparentsstandingonthesideoftheroad.________you________(wait)forataxi?Sandy:Yes.Mydad’scarbrokedownbecauseofthecoldweather.He_____________(ring)someonetocomeandhelpwhenyousawus.wasringingWerewaitingwaswalkingWewerelatethismorningbecauseoftheheavyrain.becauseitrainedheavily.16/52一、用所给动词适当形式填空。Itwasteno’clockonSundaymorning.Thefamilywereallinthegarden.MrKingandMrsKing___________(sit)underthetree,andthey__________(talk)and________(laugh).TheirsonJack___________(read)aninterestingbook.TheirdaughterWendy__________(play)withtheirdog.Everyonewashappy.weresittingweretalkinglaughingwasreadingwasplayingQuiz17/52Whataterriblesnowstorm!(同义句)Didhiscarbreakdownlastnight?(必定句)Kittyoftendiscussestheproblemwithherfriends.(用atthattime替换often)4.Iwasreadingthecomicbookwhenhecamein.(划线提问4-5)5.Thechildrenwerechattingunderthetree.

Howterriblethesnowstormis!Hiscarbrokedownlastnight.Whatwereyoudoingwhenhecamein?Kittywasdiscussingtheproblemwithherfriendsatthattime.Wherewerethechildrenchatting?18/52Pastcontinuoustensewith‘while’,‘when’and‘as’19/52Iwassleeping

whenitstartedtorain.2.Iwassleeping

whentheearthquakestarted.Lookatthefollowingsentencescarefully.Payattentiontothecoloredparts.20/523.Outside,peoplewererunninginalldirectionswhilepiecesofglassandbrickswerefallingdown.4.Hourslater,asIwastryingtofindwayout,Isuddenlyheardsomenoiseaboveme.21/52

1.I___________whenitstartedtorain.2.Iwassleeping_____theearthquakestarted.3.Outside,people____________inalldirections______piecesofglassandbricks______________down.4.Hourslater,___I____________tofindwayout,Isuddenlyheardsomenoiseaboveme.wassleepingwererunningwerefallingwastryingwhenwhileas22/52when,while和as这三个词都有“当……时候”意思。Therewerefewersandstormswhenmygrandparentswereyoung.我祖父母年轻时沙尘暴要少些。Pastcontinuoustensewith‘while’,‘when’and‘as’23/52WhileMillewaswatchingTV,hermumwassleeping.米莉在看电视时，妈妈在睡觉。IsawatrafficaccidentasIwasridingtoschoolthismorning.今天早晨我骑自行车时看到一起交通事故。24/522.when和as既能够指某一点时间，也能够指某一段时间，其从句谓语动词表示动作既能够是瞬间性，也能够是延续性；while指一段时间，从句中谓语动词必须是延续性。即：指一段时间时when,while和as都可用；指一点时间时，只能用when，不能用while。25/52试比较：Whenhewokeup,itwaseighto’clock.2.Whilehewokeup,itwaseighto’clock.3.When/While/AsIwaswaitingforabus,Imether.×√√26/523.当while,when和as放在句首时，两个句子应用逗号隔开。Whentheteachercamein,wewere

talking.Whilethepigwasdancing,therabbitwasjumping.Asthetwomenwereleaving,amessagearrived.27/52

when和while

都能够引导时间状语从句，意为“当…时候”28/521.两个延续性动作同时在过去发生时，用过去进行时,用while连接。Peoplewererunningwildlywhilepiecesofglasswasfallingdown.29/521.Iwasdoingmyhomework

mymotherwascookinglastnight.(when,while)while2.Shewasdancingwhilehersister___________(listen)tomusic.waslistening30/52延续性动词，即能够连续很长时间动词，如：enjoy,watch,read,play,stay,run等．HewaswatchingTVwhilehismotherwaslisteningtomusic.31/52瞬间动词即短暂性动词，如：die,start,stop,finish,arrive,leave,see,find,hear等．

Hewasonlyfivewhenhisfatherdied.HewaseatingwhenIsawhimlastnight.Iwasflyingakitewhenitstarted

torain.32/522.延续性动词用过去进行时，短暂性动词用普通过去时.when+短暂性动词while+延续性动词Theearthquakestarted

whileIwasdoingsomeshopping.IwastryingtofindmywayoutwhenIsuddenlyheardsomenoiseaboveme.33/521.Lucywasplayingthepiano___________hermumgothome.(when,while)2.WhenMr.Wu_______(come)intotheclassroom,WewerereadingEnglish.camewhen34/52巩固练习(用when/while填空）Mywalletdroppedontheground_________Iwasrunning.2.__________Ijustwenttobed,therewasaloudknockonthedoor.3.__________hewasreading,anearthquakestarted.4.Werethestudentslisteningtotheteachercarefully__________theteacherwasgivingalesson?5.__________thetelephonerang,Ibecamenervous.whileWhenWhilewhileWhen35/52PlayinginthesnowLookatthepictureonpage98,anddescribewhatthestudentsweredoingwhenSimonarrived.Usethewordsinbracketstohelpyou.36/52______Simon________(arrive),Amy____________(get)somesnowfromtheground.2._______________SuzyandKitty_____________(build)asnowman,Millie____________(take)photos.3.Daniel____(fall)over____________he____________(make)abigsnowball.WhenarrivedwasgettingWhilewasbuildingwastakingfellwhen/while/aswasmaking37/524.Peter_____________(hide)behindatree______asnowball___(hit)him.5.________________Millieandherclassmates_____________(play)inthesnow,Andy_____(run)towardsthem.washidingwhenWhen/While/Aswereplayinghitran38/52Whatwereyoudoingthistimeyesterday?I_____onthegrassanddrawingapicture.[北京]A.sit B.satC.amsitting D.wassittingI.Multiplechoice.39/522.WhenIcamebackyesterdayevening,mybrother_____hishomework.[长沙]A.isdoing B.hasdone C.wasdoing3.Icalledyouat4:00yesterdayafternoon,butnooneanswered.Sorry,I_____withmyfriendsatthattime.[河南]A.swim B.swam C.willswimD.wasswimming40/524.Amy,Icalledyouyesterdayevening,butnobodyansweredthephone.Oh,I____awalkwithmymotheratthattime.[宁波]A.take B.took C.amtakingD.wastaking5.He_____whentheUFOarrived.Hedidn’twakeuntiltheUFOdisappeared.[枣庄]A. slept B.wassleeping C.wasdoinghomeworkD.wassinging41/52II.Fillintheblanks.People___________(run)wildlywhilepiecesofbricks__________(fall)down.Weshouldpreventhuntersform___________(catch)wildanimals.Naturaldisastersmay________(cause)bybadweather.Ourmathsteacherwarnedus_________(notcopy)other’sanswers.Thetemperature_______(drop)alottoday.wererunningwerefallingcatchingbecausednottocopydrops42/52III.TranslatethefollowingsentencesintoEnglish.当开始下雨时候，我正和朋友们在操场上打篮球。Iwasplaying

basketballwithmyfriendsintheplaygroundwhenit

started

torain.2.我当初甚至不知道我正在做什么。IdidnotevenknowwhatI

wasdoing

atthattime.43/523.当我妈妈在做晚饭时候，我在卧室做作业。Iwasdoing

myhomeworkinthebedroomwhilemymother

wascooking

supper.4.当我今天早上看到她时，她正急急忙地赶去上班。WhenI

saw

herthismorning,she

wasinagreathurrytogotowork.44/525.他在十五岁写出了第一部小说。

Whenhewas15,hewrotehisfirstnovel.6.若是天气好话,我总是到乡下去。

Ialwaysgoto