Unit 8 Grammar課件 牛津譯林版八年級上冊英語

Unit8NaturaldisastersGrammarGrammarA1.過去進行時主要表示：?在過去某一時刻正在進行的動作

Theywereeatingbreakfastat7:00a.m.yesterday.(b)Iwas

writingaletteratthistimeyesterday.?在過去某段時間一直在進行的動作(a)From6:40a.m.to7:20a.m.,wewerereadingEnglishtoday.(b)Hewasplayingcomputergamesuntil12o’clockyesterdayevening.Pastcontinuoustense2.過去進行時的句式(1)基本結構：was/were+verb-inge.g.Iwasdoingsomeshopping.Peoplewererunningwildly.(2)否定式：was/werenot+verb-ing

wasnot=wasn’twerenot=weren’te.g.Iwasnotreading.Peoplewerenotrunningwildly.(3)疑問句：將was/were調(diào)到主語前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這三個詞都有“當……時候”的意思。e.g.Iwassleepingwhentheearthquakestarted.

AsIwastryingtofindmywayout,Isuddenlyheardsomenoiseaboveme.

Peoplewererunninginalldirectionswhilepiecesofglassandbrickswerefallingdown.2.用while,when,as這三個連詞連接時間狀語從句時，從句和主句的謂語動詞時態(tài)有規(guī)定：1)當短動作和長動作同時發(fā)生，我們用過去進行時表示長動作，用一般過去時表示短動作2)兩個都是長動作。用while連接從句e.g.Peoplewererunningwhilebrickswerefallingdown.3)主句是短動作，用while,as,when連接從句(長動作)e.g.While/As/WhenMilliewaswatchingTV,Andycameintotheroom.4)主句是長動作，用when連接從句(短動作)e.g.Iwassleepingwhentheearthstartedtoshake.5)兩個都是短動作，常用as連接從句，強調(diào)同時發(fā)生e.g.As

Milliesatdown,Andycamein.3.當while,when和as放在句首時，兩個句子應用逗號隔開。放在主句后面時，不必用逗號隔開。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.上周這時候你