高中英语Unit2TheUnitedKingdom(第4课时)Learni

Unit2TheUnitedKingdom（第4课时）Teachingaims:Enablethestudentstounderstandtheuseofthepastparticiple.ImproveSs’observingandsummarizingability.Enablethestudentstousethepastparticiple.II.Teachingdifficultandimportantpoints:Enablethestudentstounderstandtheuseofthepastparticiple.Teachingprocedures:Step1.Homeworkchecking1．Remindstudentsofwhattheylearntinthelastperiod.2．Getstudentstoreadouttheirdialogueorshortpassageinfrontoftheclass.Step2.Observing1.Askstudentstofindoutthesentenceswithpastparticiplesusedasobjectcomplement.NowwhenpeoplerefertoEnglandyoufindWalesincludedaswell.Totheirsurprise,thethreecountriesfoundthemselvesunitedpeacefullyinsteadofbywar.However,justastheyweregoingtogetIrelandconnectedtoformitsowngovernment.1.Page12.DiscoveringusefulstructuresExerciseOne.2.Askstudentstoreadtheexamplesanddrawaconclusionandsomegeneralusagesofpastparticipleasobjectcomplements.Teachergivesnecessaryexplanationsandhowtousepastparticiplesasobjectcomplements.Objectcomplement英语中有些动词，除了有一个直接宾语外，还要有一个宾补，句子才完好。一、作宾语补足语的过去分词与宾语之间的关系及物动词（短语）的过去分词用作宾语补足语时，宾语即是过去分词的逻辑宾语，宾语和过去分词之间存在逻辑上的被动关系。比如：Iwanttheletterposted.我想把这封信寄出去。2.少量不及物动词如go,change,fall等的过去分词作宾语补足语时，仅表示动作达成。所以，宾语与过去分词之间不存在逻辑上的被动关系。比如：Shefoundhernecklacegoneonherwayhome.在回家的路上，她发现项链不见了。动词seat,hide,dress等的过去分词作宾语补足语一般表示状语而不表示被动的意义，所以，固然宾语与它们存在逻辑上的主动关系，但也只好用它们的过去分词作宾语补足语。比如：WhenIcamein,Ifoundastrangegirlseatedinthecorner.我进来时，发现一个陌生的女孩坐在角落里。二、需用过去分词作宾语补足语的状况1.表示“意欲；命令”的动词如like,want,wish,order等，可用过去分词作宾语补足语。Thefatherwantshisdaughtertaughtthepiano.这位父亲想让女儿学钢琴。2.感官动词see,hear,notice,observe,watch,feel,find等后，可用过去分词作宾语补足语。Eg：Isawanoldmanknockeddownbyacarjustnow.方才我看到一位老人被车撞倒了。3.使役动词have,get,make,leave,keep等后，可用过去分词作宾语补足语。Haveyougotyourfilmsdeveloped?你拿胶卷去冲刷了没有？4.“with＋宾语＋过去分词”构造中，过去分词用作介词with的宾语补足语。这一构造往常在句中作时间、方式、条件、原由等状语。比如：Themurdererwasbroughtin,withhishandstiedbehindhisback.凶手被带进来了，他的双手被绑在背后。（表方式）Withwaterheated,wecanseethesteam.水一被加热，我们就会看到水蒸气。（表条件）Withthemattersettled,weallwenthome.事情获得解决，我们都回家了。（表原由）注意：在这一构造中，当宾语为某一身体部位，且作宾补的动词是及物动词时，身体部位往常是过去分词的逻辑宾语，因此过去分词不行换用此刻分词。Shestoodinfrontofhim,withhereyesfixedonhisface.她站在他眼前，眼睛凝视着他（fixone'seyeson为固定短语，所以，不行将句中fixed换为fixing）Hestoodforaninstantwithhishandstillraised.他仍旧举着手站了一会儿。当用某些不及物动词的分词形式作身体部位的宾补时，用此刻分词的形式。Shefeltherheartbeatingfast.她感觉心跳很快。（beat意为“心跳”，是不及物动词）三、掌握“使役动词have+宾语＋过去分词”的几种含义在“have＋宾语＋过去分词”构造中，过去分词作宾语补足语，have也可用get。这一构造拥有以下几种含义：意为“主语请他人做某事”。比如：Hewantstohavehiseyesexaminedtomorrow.他明日想去检查眼睛。（“检查”的动作由医生来进行）意为“主语遭受、遭到某一不快乐、不测的事情”。比如：Becareful,oryou'llhaveyourhandshurt.小心，不然会弄伤手的。意为“使达成某事”，事情既能够是他人做完，也能够由主语参加达成。比如：Hehadthewallspaintedthismorning.他今早把墙漆了。（主语自己可能参加）四、划分过去分词作宾语补足语与此刻分词作宾语补足语一般说来，过去分词作宾语补足语时，宾语是动作的承受者；此刻分词作宾语补足语时宾语是动作的履行者。试比较：Ifoundhimlyingonthegrassjustnow.我方才发现他躺在草坪上。Ifoundhimknockeddownbyacar.我看到他被车撞了。五、过去分词与不定式，此刻分词作宾语补足语的差别三者与宾语逻辑上都是主谓关系

,可是过去分词重申他们之间的被动关系

,不定式重申动发生的全过程,此刻分词重申它们之间的主动关系Isawhercomeintotheclassroom.Isawhercomingintotheclassroom.Isawhertakenoutoftheclassroom.Themissingboyswerelastseenneartheriver.

.Step4.Consolidation（workingroupsof4,andhaveacompetition）Page50.Usingstructures1.Askstudentstoworkinpairsoffour.2.Givethemfiveminutestofinishtheworkandaskeachgrouptochoosethebestanswers.Letleaderofeachgroupreadthebestsentencestheyhavewritten.Askstudentstochoosethebestsentences.Exercise2Givethemfiveminutestofinishthework.Twoinpairsexchangeandtalkabouttheiranswers.Teachergivesthekeys.Withtrees,flowersandgrass______everywhere,mynativetownhadtakenonanewlook.2.Isthistherecorderyouwant______?A.tohaverepairedB.torepairitC.tohaveitrepairedD.itrepaired3.Shewasgladtoseeherchildwellcareof.A.takeB.tobetakenC.takenD.taking4.Hefoundthem______atatablechess.A.sat;toplayB.sitting;toplayC.seated;playingD.seat;playthe5.IcanmakeyouwhatIsay,butyoucan'tmakeyourselfinEnglish.A.understand;understandB.understand;understoodC.tounderstand;understandD.understand;tobeunderstood6.Johnrushedoutinahurry,thedoor.A.leaving;unlockedB.leaving;unlockingC.left;unlockedD.toleave;unlocking7.Ihavehadmybike,andI'mgoingtohavesomebodymyradiotomorrow.A.repair;torepairB.repairing;toberepairedC.repaired;repairD.torepair;repairing8.theroom,thenursefoundthetaperecorder.A.Entering;stealingB.Entering;goneC.Tohaveentered;beingstolenD.Havingentered;tobestolen9.Wearepleasedtoseetheproblemsoquickly.A.settledB.settlingC.besettledD.havingbeensettled10.IhaveoftenheardtheABCSong,butIhaveneverheardAliceit.A.tobesung;tosingB.beingsung;sangC.sung;singD.sang;singing—Goodmorning.CanIhelpyou?—I'dliketohavethispackage.D.weighedwrongagain.13.Themurdererwasbroughtin,withhishandsbehindhisback.Withalotofdifficultproblems,thenewly-electedpresidentishavingahardtime.D.beingsettled(keys:BACCB，ACBAC，DCDC)Canyoumakesentenceswithpastparticiples?Examples:1.IwasveryluckytohavemywalletpickedinthestreetlastweekendwhileIwasdoingsomewindow–shoppingwithoneofmyfriends.Iwillhavethebatteryofmydigitalcameralrechargedafterschool.Ihadabigparcelsentabroadtomycousinyesterdaymorning.Wewenttoseeafilmlastnight.Butwefoundalltheseatstakenwhenwegottothecinema.Somethinghasgonewrongwithmydesktopcomputer,soI'llgetitfixedthisafternoon.Myfatherwantstohaveourhouserebuiltattheendofthisyear,soheisbusymakingsomepreparationsforit.Ididhavenoappetitelastnight,soIwenttobed,leavingthefoodu