Unit1Livingwithtechnology-GrammarandUsageStep1:GeneralintroductionThegrammaritemsinthisunitfocusonprepositionsandprepositionalphrases.Youareexpectedtoreviewtheusageofsomecommonprepositionstoexpresstime,placeandmovement,aswellashowtousethemindifferentsituation.Youwillalsolearnthatprepositionscanbecombinedwithverbs,nounsandadjectivestoformprepositionalphrasesandthewaystouseprepositionalphrasesinvarioussituations.Atthesametime,youareexpectedtoapplywhattheyhavelearnttopracticebyfulfillingsomewrittentasks.Step2:Exercises:Fillintheblankswithproperprepositions:1.HisfatherwillbebackfromLondon＿＿＿afewdays.2.Thetrainleaves＿＿＿6：00p.m.,soIhavetobeatthestation＿＿＿5：40p.m.atthelatest?3.＿＿＿thegateandyou’llfindtheentrance＿＿＿thepark＿＿＿theotherside.4.One＿＿＿fivewillhavethechancetojoininthegame.5.——Doyougothere＿＿＿bus?——No,wegothere＿＿＿atrain.6.Imadethecoat＿＿＿myownhands.Itwasmade＿＿＿hand,notwithamachine.7.Thetrees＿＿＿frontofthehouseare＿＿＿thechargeofMr.Li.8.Theoldmandied＿＿＿cold＿＿＿acoldnight.9.Myunclelives＿＿＿116ChangheStreet.Hisroomis＿＿＿thesixthfloor.10.Idon’tthinkyoucanworkoutthemathsproblem＿＿＿herhelp.Keys:1.in2.at;by3.At;to;on4.in5.by;in6.with,by7.in;in8.of;on9.at;on10.withoutStep3:Explanationandpractice:Prepositionsareusedbeforeanounoranounphrase.Andwhenaverbisusedafterapreposition,itisusuallyusedinits-ingform.1.Revisionsomecommonprepositionsoftimelikeat,in,on,for,byandsince:2.Revisionsomecommonprepositionsoftimelikeat,in,on,above,against,behind,between,by,near,oppositeandunder:3.Revisionsomecommonprepositionsoftimeliketo,across,along,down,into,off,over,outof,past,round,through,under,andup:4.ReadthedialogueonPage8andfillintheblankswithproperprepositions.Answers(1)for(2)at(3)until(4)by(5)during(6)to1.Prepositionswithverbs.SomeverbsinEnglisharepairedwithaparticularprepositiontocreateanexpression.Eachoftheseexpressionshasaparticularmeaning.Eventhoughthereareoftentwoormoreprepositionspairedwiththesameverb,eachexpressionhasadifferentmeaningandtheycannotbeusedinterchangeably.Forexample,lookat,lookfor,andlookuphavethesameverbbutthreedifferentprepositions.Thephraseshavedifferentmeaningsandyoucannotuselookupwhenyouneedlookforinyoursentence.用心爱心专心116号编辑speakto和……说话staywith和某人呆在一起thinkabout考虑有关……writeto给某人写信lookfor寻找waitfor等待takecareof照顾callon（sb.）拜访arriveat（in）到达2.PrepositionswithnounsPrepositionscanalsobecombinedwithnouns,e.g.intimefor,ontime,bymeansof,byaccident,for/onsale,inair,onthemarket,inthatcase,uptodate…atleast至少atpresent目前atfirst起初atonce立刻atlast最后（终于）atnight夜晚onfoot步行onone’sway在去某地的路上onthetelephone用电话ontime准时onbehalfof代表......利益forawhile一会儿forexample例如foroneself为了自己forhours（days,years）有好几小时（天，年）inEnglish用英语inthosedays在当时inclass课上intime及时inall总计inadvance事前inthemeantime与此同时inplace适当地inhopesof(或inthehopeof)怀着.......希望inconnectionwith和……有关incontactwith和……联系inadditionto除......以外incaseof倘若，万一inconflictwith和......冲突inforce有效的，大批indepth彻底地inregardto关于intheneighborhoodof大约、邻近inretrospect回顾，一想起intheleast一点，丝毫inalarm惊慌、担心intheopinionof据……见解inthelongrun/term从长远说来inone'sopinion在……看来inword口头上inaword总之invain无益地,白白地incase如果，万一，以防indetail...
