八年级下册英语 unit 3

Unit31.当飞碟到达时2.站在图书馆前面3.在理发店4.参观航空博物馆5.从浴室出来6.剪头发7.买了一件纪念品8.降落在中心大街9.走出飞碟10.给电视台打电话1.感到害怕2.爬树3.跳下4.给报社打电话5.拍照6.骑自行车7.一个报社记者8.树上的一只猫9.报警10.步行去学校最重要的事件之一在美国现代历史上最日常的活动听说沉默中一起走回家发生世贸中心被恐怖分子破坏环球飞行一个民族英雄1.起飞2.沿着街走3.一段不寻常的经历4.在大约10点5.正好在我前面降落6.跟随某人做某事7.登陆，着陆8.报警9.上星期天早上九点10.你在开玩笑1.当UFO来/起飞/着陆的时候，这个男孩正在街上走。WhentheUFOarrived/tookoff/landed,theboywaswalkingdownthestreet.

到达:arrive/getto/reachArrive:不及物动词。Arrive+介词（in/at)….或arrive单独使用=Getto+地点=Reach+地点，不能单独使用e.g.他明天下午2点到达北京国际机场2.星期天我有了一次不同寻常的经历。Ihadaveryunusual

experienceonSunday.Unusual:不寻常的…Anunusualexperience.Auniversity.Experience:经历（可数名词）。2.经验（不可数名词）Haveexperiencein/of有…方面的经验e.g.他教学经验丰富。Hehasmuchexperiencein/ofteachingexperience.3.我跟着它，看它到哪里去。当它走进纪念品商店时，我觉得很惊讶。Ifollowedittoseewherewasitgoing,andIwasverysurprisedwhenitwentintoasouvenirshop.IfollowedittoseewhereitwasgoingFollow:followsbtodosth.surprise:n/v/adj宾语从句若为疑问句，需改为陈述语序。她没想过要往车站外面看一看。Shedidn’tthinkaboutlookingoutsidethestation.Thinkabout:考虑Thinkaboutsth/doingsth/句子Whatdoyouthinkabout+sth?然而，在更近的时期里，大部分美国人记得当纽约世贸大厦被恐怖分子所毁坏的时候，他们正在做什么？However,inmorerecenttimes,mostAmericansrememberedwhattheyweredoingwhentheWorldTradeCenterwasdestroyedbyterrorists.

过去进行时的构成：was\were+现在分词

doing过去进行时考点：【一点、一段、一背景、一将来】一点：一段：过去进行时一点：1.考查过去进行时表示过去某一时刻正在进行的动作(一点)。通常句子一定会有一个“表示过去某个时间点”的状语。如：昨晚7点：at7p.m.lastnight,when引导的时间状语从句（whenhecame/),昨天那个时刻：atthis/thattimeyesterday，在那个瞬间：atthatmomentIwaswashingthebowlsatthistimelastnight.昨晚这个时候我在洗碗。Hewaswritingaletterwhenhisbrotherbrokeintohisroom.当他哥哥进入房间的时候他正在写信。Theyweresinging

at8o’clockyesterdaymorning?昨天早上8点他们在唱歌。一段考查过去进行时表示过去某段时间内一直在进行的动作(一段)。有时含有“未完成”的意义。如：整个早上：thewholemorning、昨天整天：alldayyesterday、昨晚9点到10点：fromninetotenlastevening、①HewaswatchingTVathomefrom3:00to5:00yesterdayafternoon.昨天下午从3点到5点他一直在看电视。②Shirleywasreadingabooklastnight。雪梨昨晚一直在看一本书。V-ing变化规则：

1）一般加ing.如:

play----playing玩watch----watching看

以不发音的e结尾,去e加ing.如:

take----taking拿make----making做

come---coming来live----living居住

小学到初中阶段双写最后一个字母的单词要特殊记忆。如：

run----running跑cut----cutting切

swim----swimming游泳sit----sitting坐

get----getting获得shop----shopping购物

stop-----stopping停止win----winning赢

put----putting放forget----forgetting忘记

begin----beginning开始

一般过去时VS过去进行时一般过去时：某一动作在过去发生且已经完成。e.g.Shewrotealettertoherfriendlastnight.

她昨晚给朋友写了封信。(信写完了)过去完成时：动作在持续或未完成。

e.g.Shewaswritingalettertoherfriendlastnight.

她昨晚一直在给朋友写信。(信不一定写完)一般过去时VS过去进行时2.一般过去时：肯定句：主语+V过去式否定句：didn’t+V原形一般疑问句：一加，二改，三变2.过去进行时：肯定句：主语+was/were+doing否定句：Was/were+notdoing一般疑问句：一提，二改，三变TheyreadEnglishlastnight.否定句：_________________________________一般疑问句：_____________________________肯定/否定回答：___________________________对划线部分提问：__________________________Marywascookingthedinneratthattime.否定句：_________________________________一般疑问句：_____________________________肯定/否定回答：___________________________对划线部分提问：_________________________【2011北京】PaulandI____tennisyesterday.HedidmuchbetterthanI.A.playB.willplayC.playedD.areplaying【2011贵州安顺】7.—Whatdidtheteachersayjustnow?—Sorry.Ididn’tcatchit.I____somethingelse. A.thinkB.willthinkC.wasthinkingD.hadthought【2011浙江丽水】GuessWhat!Thegreatmovieisoninthecinema．一Nothingnew．I_________itwithmyparentsonthefirstday.A．sawB．seeC．willseeD.havebeen【2011浙江湖州】11.—HowwasyourtriptoHangZhou,Jim?—Great!We___toXixiNationalWetlandPark.A.goB.amgoing C.willgoD.wentWhileshe______TV,she______asoundoutsidetheroom.waswatching,washearing

b.watched,washearingc.watched,heard

d.waswatching,heardThey_____afootballgamefrom7to9lastnight.

a.werewatching

b.watch

c.watched

d.arewatchingWe’llgoforawalkifit_____tomorrow.A.willnotrainB.isn’trainingC.doesn’trainD.isn’train()3.ImetLiLei__hospitallastSunday.Hewasill__hospital.A.inthe,intheB.in,intheC.inthe,inD.in,in()4.Grandmaisnowat_____.A.thedoctor’sB.thedoctorsC.thedoctorD.adoctor’s7.____usefulinventionthecomputeris!WhataB.WhatanC.HowaD.Howan8.Ican’tfind____tositonthecrowdedbus.nowhereB.somewhereC.anywhereD.everywhere9.MymotherwascookingwhileI____theradio.listenedtoB.havelistenedtoC.waslisteningtoD.islisteningto10.____TVatthattime?DidyouwatchB.HaveyouwatchedC.WereyouwatchingD.AreyouWhenVSwhile共同点：意思：当…的时候结构：While/When+从句，主句主句while/when+从句（跟在when与while后面的均称为从句）判断主句从句mywifewasreadingthenewspaper,whileIwaswatchingTV.Jimwasmendinghisbike,whenLinTaocametoseehim.课本p192.When与while引导的均为时间状语从句。若主句为将来时，从句需用一般现在时表将来。但是我们一般用when，而不用whileWhy？while表示“在……的时候”、“在……期间”。从句中必须是表示动作或状态的延续性动词While从句（从句动词为持续性动词）when表示“当……的时候”。从句中既可用延续性动词,又可用非延续性动词,这些动词既可以表示动作,又可表示状态。When从句（从句动词即可非持续性动词，又可持续性动词）注：在进行时态中，非持续性动词无进行时。When与while做题技巧WhenA：when从句用一般时态（包括过去时与现在时），主句用进行时（包括现在进行时与过去进行时）。作业本P8试卷第一课时典点WhileA：若主句从句动作同时发生，while主句从句都用进行时。（判断方式：前后均用正在…代入）B：若主句从句动作发生有前后，while主句用进行时，主句用一般现在时。1.Father_____still_______（sleep）whenI（get）upyesterdaymorning.(从句）was,sleeping,got判断：when出现，后面时态用一般时态。解析：动词get为非持续性动词，在现在进行时中不能用进行时态2.Grandma____（cook）breakfastwhileI____（wash）myfacethismorning.（主句）wascooking,waswashing解析：while出现，且前后动作同时进行，均用进行时态3.Mother___（sweep）thefloorwhenI__（leave)home.wassweeping,left

判断：when出现，从句时态用一般时态。解析：leave为非持续性动词，且我离开的时刻，爸爸正在扫地6.SomestudentsfromClassFour___（play）basketball

whenI______（see）themontheplayground.（从句）wasplaying,saw7.DoctorLiuwasondutylastnight.He___still___(work)inthehospitalat10p.m.8.Thestreetseller___（sell）clotheswhenhe___（find）apurseontheground.（从句）9.MrWangspendsalotoftimewritinghisnovel（小说）everyday.He____still___（work）atmidnightlastnight.

10.I______（read）ahistorybookwhensomeone______（knock）atthedoor.

11.Masha____（cook）whenthedoorbell____（ring）.3.I(hear,not)___thethunderduringthestormlastnightbecauseI(sleep)____.didn’thear;wassleeping4.Mybrotherandsister(argue)____aboutsomethingwhenI(walk)____intotheroom.werearguing;walked6.WhileMrs.Emerson(read)____thelittleboyastory,he(fall)____asleep,soshe(close)_____thebookandquietly(tiptoe)____outoftheroom.wasreading,fell,closed,tiptoed7.----Nancyisnotcomingtonight.----Butshe____!A.promisesB.promisedC.willpromiseD.hadpromised8.Shirley___abookaboutChinalastyearbutIdon’tknowwhethershehasfinishedit.A.haswrittenB.wroteC.hadwrittenD.waswriting9.IfirstmetLisathreeyearsago.She___ataradioshopatthetime.A.hasworkedB.wasworkingC.hadbeenworkingD.hadworked10.Idon’tthinkJimsawme;he___intospace.A.juststaredB.wasjuststaringC.hasjuststaredD.hadjuststared11.Asshe____thenewspaper,Granny____asleep.A.read;wasfallingB.wasreading;fellC.wasreading;wasfallingD.read;fell12.---Youphonenumberagain?I____quitecatchit.---It’s9568442.A.didn’tB.couldn’tC.don’tD.can’t1