八年级英语下册-Unit-8-Life-in-the-future(第3课时)语法课件-牛津深圳版

Unit8Lifeinthefuture第3课时——语法课后拓展课时精讲栏目导航课时过关单元语法讲解：过去进行时（Thepastcontinuoustense）过去进行时主要表示过去某个时刻或某一阶段正在进行的动作，常和表示过去时间的状语then,atthis（that）time,yesterday,atnine,lastnight等连用。但在不少情况下，没有表示时间的状语，这时需要通过上下文来表示。1．过去进行时的构成（1）肯定句：主语+was/were+doingIwaswatchingTVateightyesterdayevening.昨天晚上8点我在看电视。（2）否定句：主语+was/werenot+doingIwasn’twatchingTVateightyesterdayevening.昨天晚上8点我没在看电视。（3）一般疑问句：Was/Were+主语+doing?回答用：Yes,主语+was/were.或No,主语+wasn’t/weren’t.—WereyouwatchingTVateightyesterdayevening?—昨晚8点你在看电视吗？—Yes,Iwas./No,Iwasn’t.—是的，我在看电视。/不，我没看电视。（4）特殊疑问句：特殊疑问词+was/were+主语+doing?Whatwereyoudoingateightyesterdayevening?昨天晚上8点你在做什么？2．过去进行时的时间状语（1）atthistimeyesterday意为“昨天的这个时候”。Iwasplayingfootballatthistimeyesterday.昨天这个时候我正在踢足球。（2）atthattime意为“在那时”。Iwasdoingmyhomeworkatthattime.那时我正在做家庭作业。Wewereplayingbasketballatthattime.那时我们正在打篮球。（3）表示过去某一具体的时间，如ateightlastnight,atsixyesterdaymorning等等。TheywerereadingEnglishatsevenyesterdaymorning.昨天早上七点他们正在读英语。Iwaslisteningtomusicateightlastnight.昨晚八点我正在听音乐。（4）表示一段时间的yesterday,yesterdaymorning,lastnight等词也可用于过去进行时。Iwasreadinganovellastnight.昨晚我在看小说。（昨晚正在看，可能没看完）3．过去进行时+while+过去进行时while表示“当……的时候”时，后面的动词一般采用延续性动词的进行时态；如果主要动作都是延续的或同时发生的，那么主从句的动词都可用过去进行时。WhileIwascleaningthewindows,mybrotherwassweepingthefloor.（当）我在擦窗户的时候，我弟弟在扫地。Somestudentswereplayingfootball,whileotherswererunningroundthetrack.一些学生在踢足球，同时别的学生正在跑道上跑步。Whilehewaswaitingforthebus,hewasreadinganewspaper.他边等车边看报。4．过去进行时+when+一般过去时when表示“当……的时候”时，后面的动词一般采用短暂性动词的一般时态；当两个一长一短的动作在过去某时间同时发生时，用过去进行时表示较长的动作。ItwasraininghardwhenIleftmyoffice.当我离开办公室时，雨下得正大。Whenyoucalled,Iwaseating.你打电话时，我正在吃饭。Wewerewalkingalongtheriverwhenitrained.我们沿着河边散步，突然下起雨来。TheywerewatchingTVwhenthelightswentout.停电时，他们刚好在看电视。一、单项选择。（）1．Hesaidhe_______todrawaplaneontheblackboardatthattime.A．triesB．triedC．wastryingC（）2．Whileshe_______TV,she_______asoundoutsidetheroom.A．waswatching;washearingB．watched;washearingC．waswatching;heardC（）3．They_______afootballgamefrom7to9lastnight.A．werewatchingB．watchC．watched（）4．ItwasFridayevening.Mr.andMrs.Green_______readytoflytoEngland.A．aregettingB．gotC．weregettingAC（）5．Agirl_______mypenfalloffthetablewhenshe_______me.A．saw;passedB．seeing;passedC．wasseeing;passedA（）6．We_______forTomattenlastSunday.Heoftenkeptus_______.A．werewaiting;waitingB．waiting;waitC．waited;waitingA（）7．He_______hisfatheronthefarmthewholeafternoonlastSaturday.A．helpsB．wouldhelpC．washelpingC（）8．Whilemother_______somewashing,I_______akiteforKate.A．did;madeB．wasdoing;madeC．wasdoing;wasmakingC（）9．He_______somecookingatthattime,so_______me.A．did;heardB．did;didn’thearC．wasdoing;didn’thearC（）10．ThistimeyesterdayJack_______hisbike.He_______TV.A．repaired;didn’twatchB．wasrepairing;watchedC．wasrepairing;wasn’twatchingC二、用动词的适当形式填空。1．Whilewe（wait）forthebus,agirl（run）uptous.2．I（telephone）afriendwhenBob（come）in.3．Jim（jump）onthebusasit（move）away.werewaitingranwastelephoningcamejumpedwasmoving4．We（test）thenewmachinewhentheelectricity（go）off.5．Whilemother（put）Cathytobed,thedoorbell（ring）．wastestingwentwasputtingrang6．AsI（walk）inthepark,it（begin）torain.7．Itwasquitelateatnight.George（read）whenhe（hear）aknockatthedoor.waswalkingbeganwasreadingheard一、完形填空。Asweallknow,glovesareusuallyusedforkeepingwarminwinter.However,todayIwouldliketo1anewkindofglovestoyou.Thenewgloveshavea2use—makingacall.Theglovesare3as“Talktothehand”anditcost$1000apair.Thephonecomeswithanearphoneonthethumbanda4onthelittlefingerthatcanbeconnectedtomobilephonesthroughBluetooth.ThenewgloveswereinventedbySeanMiles,acreativeartist.5thisnewinvention,mobilephoneuserswillbeabletotalkonthephonewithout6theirglovessothattheycankeeptheirhandswarmoncolddays.Mr.Miles,thedesigner,saidhedesignedtwokindsofgloves,one7pinkandtheotherbrownandyellow.Thetwokindsofgloveswill8inanexhibitionthisJulyandvisitorsgotachanceto9thegloves.Itissaidthatifthedemandishighenough,thenewgloveswillbeproducedinalarge10forsale.（）1．A．holdB．provideC．introduce（）2．A．strangeB．specialC．possible（）3．A．calledB．knownC．served（）4．A．smartphoneB．monitorC．microphone（）5．A．WithB．BecauseC．ForCBBCA（）6．A．puttingonB．takingoffC．settingoff（）7．A．ofB．inC．on（）8．A．appearB．discoverC．sell（）9．A．keepB．tryC．paint（）10．A．amountB．tonC．numberBBABC二、Morepractice语法填空。Problemsin2050Lily:IwasstayingattheHotelWhale（1）myfriendslastweek.Aftergoingshoppingand（2）（have）teaatthecafe,Iwentbacktomyroomtorest.ButwhenIopenedthedoor,Isawthatwaterwascominginthroughthewindow!I（3）（know）Ishouldnotjuststandthere,butIdidnotknowwhattodo…withhavingknewMike:At11:30a.m.thedaybeforeyesterday,I（4）（have）lunchinourForeverGreenHouse（5）ourfridgewasorderingfood.Suddenly（6）lightwentonandalotoffoodstartedtoarrivefromthesupermarket:meat,vegetables,fruit,milk,andsoon.“Stop!”Ishoutedatthefridge,butthefoodcontinued（7）（come）in…waswhilehavingatocomeBenny:Dadwasdriving（8）（we）totheairportinhisCJ3,andsuddenlythecarstopped.Thehydrogeninthecarfailed（9）（mix）withtheoxygen,（10）thecardidnotwork.“Oh,no!”saidMum.“Wearegoingtomissourplane.Whatshallwedo?”ustomixso