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Unit8NaturaldisastersGrammarGrammarA1.過(guò)去進(jìn)行時(shí)主要表示:?在過(guò)去某一時(shí)刻正在進(jìn)行的動(dòng)作
Theywereeatingbreakfastat7:00a.m.yesterday.(b)Iwas
writingaletteratthistimeyesterday.?在過(guò)去某段時(shí)間一直在進(jìn)行的動(dòng)作(a)From6:40a.m.to7:20a.m.,wewerereadingEnglishtoday.(b)Hewasplayingcomputergamesuntil12o’clockyesterdayevening.Pastcontinuoustense2.過(guò)去進(jìn)行時(shí)的句式(1)基本結(jié)構(gòu):was/were+verb-inge.g.Iwasdoingsomeshopping.Peoplewererunningwildly.(2)否定式:was/werenot+verb-ing
wasnot=wasn’twerenot=weren’te.g.Iwasnotreading.Peoplewerenotrunningwildly.(3)疑問(wèn)句:將was/were調(diào)到主語(yǔ)前e.g.---Washerunning?---Yes,hewas./No,hewasn’t.---Weretheyrunning?---Yes,theywere./No,theyweren’t.Watch,readandanswerWhatwereyoudoingat7o’clocklastnight?Iwasdoingsomehousework.Iwashavingdinner.Whatwereyoudoingfrom7to9p.m.yesterday?Iwasdoingmyhomework.IwaswatchingTV.Whatwasyourfatherdoingwhenyoucamebackhomeyesterday?Hewascooking.Whatwasyourbrotherdoing
whenyousawhimhalfanhourago?Hewasplayingcomputergames.AsnowstormhitSunshineTown.MrWuisaskingthestudentsaboutit.Completetheirconversationwiththecorrectformsoftheverbsinbrackets.Mr.Wu:Whataterriblesnowstorm!Itstarted
ataboutseventhismorning.I
__________(read)thenewspaperthen.What______you______(do),
Simon?Simon:I_____________(have)breakfast.Mr.Wu:Whataboutyou,Millie?wasreadingweredoingwashavingMillie:
I____________(walk)tothebusstop.
Sandy,Isawyouandyourparents
standingonthesideoftheroad.
________you________(wait)forataxi?Sandy:Yes.Mydad’scarbrokedownbecause
ofthecoldweather.He_____________
(ring)someonetocomeandhelpwhen
yousawus.waswalkingWerewaitingwasringingPracticeItwasteno’clockonSundaymorning.Thefamilywereallinthegarden.MrKingandMrsKing___________(sit)underthetree,andthey___________(talk)and________(laugh).TheirsonJack___________(read)aninterestingbook.TheirdaughterWendy__________(play)withtheirdog.Everyonewashappy.weresittingweretalkinglaughingwasreadingwasplayingGrammarB‘while’,‘when’and‘a(chǎn)s’1.when,while和as這三個(gè)詞都有“當(dāng)……時(shí)候”的意思。e.g.Iwassleepingwhentheearthquakestarted.
AsIwastryingtofindmywayout,Isuddenlyheardsomenoiseaboveme.
Peoplewererunninginalldirectionswhilepiecesofglassandbrickswerefallingdown.2.用while,when,as這三個(gè)連詞連接時(shí)間狀語(yǔ)從句時(shí),從句和主句的謂語(yǔ)動(dòng)詞時(shí)態(tài)有規(guī)定:1)當(dāng)短動(dòng)作和長(zhǎng)動(dòng)作同時(shí)發(fā)生,我們用過(guò)去進(jìn)行時(shí)表示長(zhǎng)動(dòng)作,用一般過(guò)去時(shí)表示短動(dòng)作2)兩個(gè)都是長(zhǎng)動(dòng)作。用while連接從句e.g.Peoplewererunningwhilebrickswerefallingdown.3)主句是短動(dòng)作,用while,as,when連接從句(長(zhǎng)動(dòng)作)e.g.While/As/WhenMilliewaswatchingTV,Andycameintotheroom.4)主句是長(zhǎng)動(dòng)作,用when連接從句(短動(dòng)作)e.g.Iwassleepingwhentheearthstartedtoshake.5)兩個(gè)都是短動(dòng)作,常用as連接從句,強(qiáng)調(diào)同時(shí)發(fā)生e.g.As
Milliesatdown,Andycamein.3.當(dāng)while,when和as放在句首時(shí),兩個(gè)句子應(yīng)用逗號(hào)隔開。放在主句后面時(shí),不必用逗號(hào)隔開。e.g.Whentheteachercamein,weweretalking.
Whilethepigwasdancing,therabbitwasjumping.
As
thetwomenwereleaving,amessagearrived.Practice1.I___________(sleep)whenitstartedtorain.2.Iwassleeping______theearthquakestarted.3.Outside,people____________(run)inall
directions______piecesofglassandbricks____________(fall)down.4.Hourslater,______________I____________
(try)tofindwayout,Isuddenlyheardsome
noiseaboveme.wassleepingwhenwererunningwhilewerefallingwhen/while/aswastryingSomeClass1,Grade8studentswenttoplayinthesnow.Completethesentenceswiththecorrectformsoftheverbsinbrackets.Usewhen,whileorastoconnectthesentences.1.______Simon________(arrive),Amy
_________(get)somesnowfromtheground.2.______SuzyandKitty_____________(build)
asnowman,Millie___________(take)photos.WhenarrivedwasgettingWhilewerebuildingwastaking3.Daniel____(fall)over______________he
____________(make)abigsnowball.4.Peter_____________(hide)behindatree
______asnowball___(hit)him.5.______Millieandherclassmates
_____________(play)inthesnow,Andy
____________(run)towardsthem.fellwhen/while/aswasmakingwashidingwhenhitWhilewereplayingwasrunningExercises1.---Whatwereyoudoingthistimeyesterday?---I_____onthegrassanddrawingapicture.A.sit
B.satC.amsitting D.wassitting2.WhenIcamebackyesterdayevening,mybrother_____hishomework.
A.isdoing
B.hasdone C.wasdoing3.---Icalledyouat4:00yesterdayafternoon,butnooneanswered.
---Sorry,I_____withmyfriendsatthattime.
A.swim
B.swam
C.willswimD.wasswimming4.---Amy,Icalledyouyesterdayevening,butnobodyansweredthephone.---Oh,I____awalkwithmymotheratthattime.A.take B.took C.amtakingD.wastaking5.He______whentheUFOarrived.Hedidn’twakeuntiltheUFOdisappeared.
A.slept
B.wassleeping
C.wasdoinghomeworkD.wassinging6.______Itookthebrushaway,Idroppedsomepaint_______thepaper.A.As;onto
B.While;onC.When;inD.Since;on1.上周這時(shí)候你
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