牛津版八年级英语上8A Unit 8 Natural disasters Grammar课件(53张

GrammarTolearntousethepastcontinuoustensetotalkaboutthingsthatwerehappeningforsometimeinthepastTolearntousepastcontinuoustensewith‘while’,‘when’and‘as’Objectivesbreakbreakdownbecauseofvi.损坏；打破出故障；坏掉由于；因为Wordsandexpressionreview1.Iwassleepingwhenitstartedtorain.2.Iwassleepingwhentheearthquakestarted.Lookatthefollowingsentencescarefully.Payattentiontothecoloredparts.3.Outside,peoplewererunninginalldirectionswhilepiecesofglassandbrickswerefallingdown.4.Ifeltnervousandmyheartwasbeatingfast.5.Hourslater,asIwastryingtofindwayout,Isuddenlyheardsomenoiseaboveme.totestyoursenseofobservationtotestyourabilityofshort-termmemorytotestyourabilitytohighlightthelanguagepointsGuess1.I___________whenitstartedtorain.2.I___________whentheearthquakestarted.3.Outside,people____________inalldirectionswhilepiecesofglassandbricks______________down.4.Ifeltnervousandmyheart_______________fast.5.Hourslater,asI____________tofindwayout,Isuddenlyheardsomenoiseaboveme.wassleepingwassleepingwererunningwerefallingwasbeatingwastryingWhatwereyoudoingat7o’clocklastnight?Iwasdoingsomehousework.Iwashavingdinner.ExerciseWhatwereyoudoingbetween7o’clockand9o’clockyesterday?Iwasdoingmyhomework.IwaswatchingTV.Whatwasyourfatherdoingwhenyoucamebackhomeyesterday?Hewascooking.Whatwasyourbrotherdoingwhenyousawhimhalfanhourago?Hewasplayingcomputergames.Whatweretheydoingatthattimelastweek?Theywereshopping.Howaboutthem?Theywerehavingapicnic.以上我们已经通过归纳总结和练习对本课的语法内容有了一定的了解，下面就让我们根据之前练习的考察情况进一步选择讲解该语法项的重难点。1.过去进行时主要表示：￭在过去某一时刻正在进行的动作(a)Theywereeatingbreakfastat7:00amyesterday.(b)Iwaswritingaletteratthistimeyesterday.(c)Fiveminutesago,DannywaslookingoutofthewindowandSuzywasreadingabook.Pastcontinuoustense￭在过去某段时间一直在进行的动作(a)From1983to1998,hewasteachingatYale.(b)Theywerebuildingadamlastwinter.Pastcontinuoustense2.过去进行时的句式(1)基本结构：was/were+verb-ing(2)否定式：was/werenot+verb-ingwasnot=wasn’twerenot=weren’tIwasdoingsomeshopping.Peoplewererunningwildly.Iwasnotreading.Peoplewerenotrunningwildly.(3)疑问句：将was/were调到主语前结构为:Was/Were+主语+verb-ing?回答：Yes,主语+was/were.No,主语+wasnot/wasn’t.werenot/weren’t.Washerunning?Yes,hewas./No,hewasn’t.Weretheyrunning?Yes,theywere./No,theyweren’t.Whatwasthegirldoingjustnow?Shewasrunningjustnow.Whatwastheboydoingjustnow?Hewasjumpingjustnow.Whatwasthebeardoingjustnow?Itwasskiingjustnow.Itwassnowingthismorning.DoyouknowwhatSandywasdoingearlythismorning?Whathappenedtoher?Completetheconversationbelow.AsnowstormhitSunshineTownMr.Wu:Whataterriblesnowstorm!Itstartedataboutseventhismorning.I______________(read)thenewspaperthen.What______you______(do),Simon?Simon:I_____________(have)breakfast.Mr.Wu:Whataboutyou,Millie?wasreadingwerewashavingdoingMillie:I____________(walk)tothebusstop.Sandy,Isawyouandyourparentsstandingonthesideoftheroad.________you________(wait)forataxi?Sandy:Yes.Mydad’scarbrokedownbecauseofthecoldweather.He_____________(ring)someonetocomeandhelpwhenyousawus.wasringingWerewaitingwaswalking一、用所给动词的适当形式填空。Itwasteno’clockonSundaymorning.Thefamilywereallinthegarden.MrKingandMrsKing___________(sit)underthetree,andthey__________(talk)and________(laugh).TheirsonJack___________(read)aninterestingbook.TheirdaughterWendy__________(play)withtheirdog.Everyonewashappy.weresittingweretalkinglaughingwasreadingwasplayingQuiz二、汉译英。1.凯特喜欢在河边画画。_______________________________.2.这个小孩正朝着他妈妈微笑。_______________________________.3.树上有一只小鸟。_______________________________.4.国王和王后昨天这个时候在开会。____________________________________________________________.KatelikesdrawingbytheriverThechildwassmilingathismotherThereisabirdinthetreeTheKingandtheQueenwerehavingateapartyatthistimeyesterdayPastcontinuoustensewith‘while’,‘when’and‘as’1.Iwassleepingwhenitstartedtorain.2.Iwassleepingwhentheearthquakestarted.Lookatthefollowingsentencescarefully.Payattentiontothecoloredparts.3.Outside,peoplewererunninginalldirectionswhilepiecesofglassandbrickswerefallingdown.4.Hourslater,asIwastryingtofindwayout,Isuddenlyheardsomenoiseaboveme.totestyoursenseofobservationtotestyourabilityofshort-termmemorytotestyourabilitytohighlightthelanguagepointsGuess1.I___________whenitstartedtorain.2.Iwassleeping_____theearthquakestarted.3.Outside,people____________inalldirections______piecesofglassandbricks______________down.4.Hourslater,___I____________tofindwayout,Isuddenlyheardsomenoiseaboveme.wassleepingwererunningwerefallingwastryingwhenwhileas以上我们已经通过归纳总结和练习对本课的语法内容有了一定的了解，下面就让我们根据之前练习的考察情况进一步选择讲解该语法项的重难点。1.when,while和as这三个词都有“当……时候”的意思。Therewerefewersandstormswhenmygrandparentswereyoung.我祖父母年轻时沙尘暴要少些。Pastcontinuoustensewith‘while’,‘when’and‘as’WhileMillewaswatchingTV,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。2.when和as既可以指某一点时间，也可以指某一段时间，其从句谓语动词表示的动作既可以是瞬间性的，也可以是延续性的；while指一段时间，从句中的谓语动词必须是延续性的。即：指一段时间时when,while和as都可用；指一点时间时，只能用when或as，不能用while。试比较：1.When/Ashewokeup,itwaseighto’clock.2.Whilehewokeup,itwaseighto’clock.3.When/While/AsIwaswaitingforabus,Imether.×√×3.当while,when和as放在句首时，两个句子应用逗号隔开。Whentheteachercamein,weweretalking.Whilethepigwasd