七年级英语名词所有格

SeventhgradeEnglishnounpossessivecase目录DefinitionofpositivecaseofnounsTheconstructionofpositivecasesofnounsTheusageofpositivecasesofnouns目录NotesonthepositivecaseofnounsPracticeandconsolidationofnonpositivecases01DefinitionofpositivecaseofnounsThepositivecaseofanounisusedtoshowownershiporsessionItisformedbyaddinganapostropheandan's'totheendofthenounForexample,"John'scar"meansthatthecarbelongstoJohnWhatisthepositivecaseofanounThepositivecaseisusedwhenreferringtosomethingthatbelongstoaspecificpersonorthingForexample,"Mybrother'sbook"meansthatthebookbelongstothespeaker'sbrotherThesessioncasecanalsobeusedtoshowsession,asin"Thecat'stail"or"Thechildren'stoys."Inthiscase,itisusedtoshowthattailbelongstothecatandthetoysbelongtothechildrenThepassivecasecanalsobeusedindefinesession,asin"Achild'slighter"or"Somebody'sidea."Inthesecases,itisnotclearwhothechildorideaislongto,butthepassivecaseisusedtoshowthattheyarelongtosomeoneToshowownershipToshowsessionIndexsessionTheuseofpositivecasesofnouns02TheconstructionofpositivecasesofnounsWeakconnectionThepositivecaseofweaknounsisformedbyadding'stothesingularandpluralformsofthenounForexample,thepositivecaseofthenoun'cat'is'cat's'andthatofthenoun'cats'is'cats'0102IrregularchangesForexample,thepositivecaseofthenoun'child'is'children's',andthatofthenoun'mouse'is'mice'Somenounshaveirregularchangesintheirpositivecase03TheusageofpositivecasesofnounsThepositivecaseofnounsisusedtoreportsomeoneorsomethingItisusedtoshowownershiporsessionForexample,"John'scar"representsthecarthatbelongstoJohnItcanalsobeusedtorepresentagroupofpeopleorthingsForexample,"TheSmiths'house"representsthehousethatbelongstothefamilyofSmithsSomethingthatreportssomeoneThepositivecaseofnounscanalsobeusedtoindicateacertainpartofsomethingForexample,"thecar'stire"representsthetirethatbelongstothecarItcanalsobeusedtoindicateaspecificpartofaperson'sbodyForexample,"thehand'sthumb"representsthethumbthatbelongstothehandIndicatingacertainpartofsomethingVSThepositivecaseofnounscanbeusedtoindicatesomeone'sjoboridentityForexample,"thedoctor'soffice"reportstheofficewherethedoctorworksItcanalsobeusedtoindicateaperson'snationalityorethicalidentityForexample,"theAmerican'saccount"reportstheaccountthatbelongstotheAmericanpersonIndicatesomeone'sjoboridentity04NotesonthepositivecaseofnounsWhenthepositivecaseofanounisusedwithoutanarticle,itindicatestheownershipofsomethingThisusageiscommonwhenreferringtosomeone'spersonalextensions,familymembers,orspecificitemsExample:"John'scar"(referringtoJohn'sownershipofacar)WithoutanarticlebeforethepositivecaseofanounThisusageisoftenusedtoclarifyorspecifytheownershipofaspecificitemExample:"John'scar(theredone)"(referringtoJohn'sredcar)ItisgrammaticallycorrecttoaddanothernounafterthepositivecaseofanounAddanounafterthepositivecaseofanounThedoublepassivecaseoccurswhentwopassivecasesareusedtogether,usuallywiththepassivecaseofapersonfollowedbythepassivecaseofsomethingelseThisusageisoftenusedtoemphasizetheownershiporsessionofsomethingspecificExample:"John'smother'shouse"(referringtothehousethatbelongstoJohn'smother)Theusageofthedoublepassivecase05PracticeandconsolidationofnonpositivecasesExample1:Whichisthecorrectpositiveformof"teacher's"?MultipleChoiceQuestionsA)TeacherisB)Teachers'C)Teachers'MultipleChoiceQuestionsD)TeachersExample2:"Theboy'sbook"referstothebookbeingcontinuedtowhichperson?MultipleChoiceQuestionsA)AboyB)TwoboysC)ThreeboysD)Manyboys01020304MultipleChoiceQuestionsABCDExample1Completethefollowingpresencewiththecorrectpositiveformofthenoun:"The__________carisred."Example2Fillintheblankwiththecorrectpositiveformof"parent":"My__________arebothdoctors."Answer"Myparents'arebothdoctors."Answer"Theteacher'scarisred."CompletionExample1AnswerExample2AnswerTranslation