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1、GrammarandusageStep1:GeneralintroductionThegrammaritemsinthisunitdealwithapposition.Youwilllearnwhatappositionsareandhowtoformappositionsinsentences・Youareexpectedtoapplywhatyouhavelearntinpracticaluse.Step2:Explanationandpractice:Definition:aconstructionin
2、whichanounornounphraseisplacedwithanotherasanexplanatoryequivalent,bothhavingthesamesyntacticrelationtotheotherelementsinthesentence.1.Whentwonounphrasescomeoneaftertheotherinasentenceandbothrefertothesamething,thesenounsphrasesareinapposition.Examples;1).T
3、heFrenchflag,the"Tricolore；wasfirstusedin1789,atthestartoftheFrenchRevolution.(TheFrenchflagandthe"Tricolore'areinappositionastheyrefertothesamething)2).TheUSAwasalsobornfromrevolution,anditsflag,'StarsandStripes：symbolizesthis.(itsflagand'StarsandStripes'a
4、reinappositionastheyrefertothesamething.)3).MrLi,myuncle,willbeofftoLondonnextmonth.(Mr.Uandmyuncleareinappositionastheyrefertothesameperson.)4).Thisfilm,Thepromise,hasbeenverypopularrecently.(ThisfilmandThepromiseinappositionastheyrefertothesamething.)2.Wh
5、enuseacommabeforeandafterthesecondphrasewhenitaddsmoreinformation.Theflag,asimpledesignofredoverwhite,hasalonghistorythatdatesbacktothe13thcentury.3.Wedonotuseacommabeforeandafterthesecondphrasewhenitexplainswhatthefirstoneis.Thecolorsred,whiteandblueusedon
6、theflagareavisualreminderofthemottooftheRevolution—liberty,equalityandfraternity.4.Wesometimesuseappositiontoemphasizeourideas.Weloveourflag,ouruniqueflag.Tomismyfriend,myclosestfriend.5.Anounclauseafteranouncanalsobeaformofanapposition.Examples:1).Thenewst
7、hatFrancehadasuccessfulrevolutionhadabigeffectonothercountries,particularlythoseinEurope.2).Thefactthatsomecountriesusethesamecolorsontheflagscanmeantheysharesimilarbeliefs・3).Wecanuseappositiontojointwosentencestogether.4).Theteamhaswonthegame・Everyoneinth
8、ecityisexcitedbythenews・5).Everyoneinthecityisexcitedbythenewsthattheteamhaswonthegame.6).Themonitordidn'ttellusthetruththatourfootballteamwonthefirstprizeinthematch.7).Wehavegottheinformationthatallth
