英语7下-牛津译林英语七年级下册Unit 3 Grammar（视频内嵌）(共27张PPT).pptx

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1、Unit 3 Welcome to Sunshine TownGrammarWhoseTailsarethese?Itstherabbitstail.WhoseTailsarethese?Itsthepigstail.Itsthemonkeystail.Itsthepigstail.Itsthemonkeystail.Itstherabbitstail.Noun+sWhat?的的possessivecase（名词所有格）How?WeusuallyuseNoun+stoexpresstheideaofbelonging.我们通常用名词所有格表示所属关系我们通常用名词所有格表示所属关系Whatis

2、possessivecase?Its Bettys key ring.belongtoA.Noun+sIts Bettys key ring.They are the exchange students postcards.Its the mans hat.They are the childrens pencil cases.belongtobelongtobelongtobelongtoDo we simply add“-s”to the nouns?Howcanweusepossessivecase?Bettys key ring the childrens pencil cases e

3、xchange students postcards The mans hat1.Weusuallyaddstoasingularnoun.一般情况下，在单数名词的词尾直接加“s”。3.Weaddstopluralnounsthatdonotendins.不以-s结尾的不规则名词的复数形式，直接在词尾加“s”。2.Weaddtoapluralnounendingins.以-s结尾的复数名词，只在词尾加“”。4.Weoftenuseswithnames.人名后面常常加“s”。asingularnounpluralnounsendin-sdonotendin-snamesIfanameendsin

4、-s,wouldweaddsor?Tip:Whenanameendsins,wealsoaddse.g.CharlessCarAnnas roomAnnas sisters room_bedroomAnnasharesabedroomwithhersister.Annaandhersisterbothhavetheirownbedrooms._bedroomsAnnaandhersistersAnnasandhersistersCompletetheanswerwithnoun+s.dogSandypeoplechildrenmonkeysteachersmendogsSandyspeople

5、schildrensmonkeysteachersmensPracticeDad:Theresa“J”onthisbox.JerryandJane,whoseboxisit?Jerry:Itsnotmybox.Theresasmallflowerbesidethe“J”.Its_.Jane:Yes.Itsmybox._boxishere.Therearemanybooksinit.Dadlovesreading.Dad:Jane,youhaveanotherboxhere.YourT-shirtsareinside.Jane:No.Dad.ThoseT-shirtsare_.Theyrelar

6、ge.Mum:Yes,itsmybox.Janeandherfamilyareintheirnewflatnow.Theyarelookingfortheirownboxes.Completetheirconversationwithnoun+s.JanesDadsMumsJJItsmybox.Theboxismine.Itsfathersbox.Itshisbox.Theboxishis.ItsMumsbox.Its her box.Theboxishers.Whoseboxesarethese?JanesboxmothersboxfathersboxJItsmybox.Theboxismi

7、ne.Itsfathersbox.Itshisbox.Theboxishis.ItsMumsbox.Itsherbox.Theboxishers.Possessive adjectivesPossessive pronouns（形容词性物主代词）（名词性物主代词）myhisherminehishersWhat?B.Possessive adjectives and pronouns（形容词性物主代词和名词性物主代词）Possessmeanstohaveorown.Weusepossessiveadjectivesandpronounstoexpresstheideaofbelonging.我们

8、用形容词性和名词性物主代词表示所属关系。我们用形容词性和名词性物主代词表示所属关系。What?possessive=possess+iveSubjectpronounsPossessiveadjectives（形容词性物主代词形容词性物主代词）Possessivepronouns（名词性物主代词）（名词性物主代词）singularIyouhesheitpluralweyoutheyWhat?myyourhisheritsouryourtheirmineyourshishersoursyourstheirs 的/的Tip:Thepossessiveadjectiveitsdoesnothavea

9、napostrophe().Notethatitsmeans“itis”PossesiveadjectivePossessivepronoun我的我的mymine我们的我们的ourours你的你的youryours你们的你们的youryours他的他的hishis她的她的herhers它的它的its/他们的他们的theirtheirsouroursHowdoweusepossessiveadjectivesandpronouns?youryoursyouryoursHow?PossesiveadjectivePossessivepronoun我的我的mymine我们的我们的ourours你的你

10、的youryours你们的你们的youryours他的他的hishis她的她的herhers它的它的its/他们的他们的theirtheirsherhishisherstheirtheirsPossesiveadjectivePossessivepronoun我的我的mymine我们的我们的ourours你的你的youryours你们的你们的youryours他的他的hishis她的她的herhers它的它的its/他们的他们的theirtheirsItshisball.possessivepronouns（名词性名词性物主物主代词代词）possessiveadjectives（形容词性物主代

11、词）形容词性物主代词）How?Doweneedtoputanounafterapossessiveadjective?Theballishis.WorkouttheWorkouttheruleruleWeneedtoputa_afterapossessiveadjective,butwedonotneedtoaddanythingaftera_.nounpossessivepronounItsmykite.Thekiteismine.Doweneedtoputanounafterapossessivepronoun?mineyoursWhy?mykiteThekiteismine.aposse

12、ssivepronoun=apossessiveadjective+noun.名名词词性性物物主主代代词词=形形容容词词性性物物主主代代词词+名词名词Thekiteismykite,notyourkite.Thekiteis,not.Weusepossessivepronounstoavoidrepeatinginformationthatisalreadyclear.(我们用名词性物主代词来避免重复已知的信息我们用名词性物主代词来避免重复已知的信息)(Soundsrepetitive)(冗长重复冗长重复)(Soundsmorenatural)(简洁自然简洁自然)1.Weneedtoputan

13、ounafterapossessiveadjective,butwedonotneedtoaddanythingafterapossessivepronoun.形容词性物主代词后面接名词，形容词性物主代词后面接名词，名词性物主代词后不接名词。名词性物主代词后不接名词。2.apossessivepronoun=apossessiveadjective+noun名词性物主代词相当于名词性物主代词相当于“形容词性物主代词形容词性物主代词+名词名词”。速记速记口诀：口诀：形物代词能力差，自己不能来当家。形物代词能力差，自己不能来当家。句子中当做定语，后面要把名词加。句子中当做定语，后面要把名词加。名物

14、代词能力强，自己独来又独往。名物代词能力强，自己独来又独往。RulesMum:Isthis_pencilcase,Jerry?Jerry:No.ItsJanes.Mypencilcaseisgreen._isred.Dad:Isthis_teddybear,Jane?Jane:Yes.Letmeputitnextto_bed.Mum:Jerry,isthis_cup?Jerry:No._isblue.ThisyellowoneisJanes.Jane:Lookatthesefootballcards.Arethey_,Jerry?Jerry:Oh,theyrePeters.lmustretur

15、nthemtomorrow.Janeandherfamilyarestilllookingfortheirownthingsinthenewflat.Completetheirconversationwiththecorrectpossessiveadjectivesandpronouns.yourHersyourmyyourMineyoursHerpencilcaseyourfootballcardsThestudentsbooksaremixedup(混合在一起).Lookatthepictureandhelpthemcompletetheirconversation.yourminemy

16、yoursyourshersmyWhosebooksarethey?Whathavewelearnedtoday?1.Noun+s2.possessiveadjectivesandpronounsWhatHowWhatHowWhybelongingsingularnouns;names;pluralnounsthatdonotendin-saddsaddpluralnounsendingin-sbelongingWeneedntputanounafterpossessivepronouns.apossessivepronoun=apossessiveadjective+nounavoiding

17、repeating1.Reviewpossessivecase,possessiveadjectivesandpronouns.2.Dosomeexercisesafterclass.HomeworkExercises一、单项选择一、单项选择()1.Mary is coming to my birthday party this evening,but _brotherisstayingathome.A.herB.hisC.hersD.its()2.-Look,thisismyfamilyphoto.-Whichoneis_sister?A.yoursB.youC.oursD.your()3.

18、Thisredcarisnot_.Itis_.A.Susans;myB.Susans;mineC.Susan;mineD.Susan;my()4.Those_T-shirtslook_nice.A.ladys;veryB.ladys;muchC.ladies;veryD.ladies;much()5.The_kitesareflyinghighinthesky.A.childrensB.childrensC.childsD.children二、将下面句子改为同义句二、将下面句子改为同义句1.Thisisherbikeandthatishisbike,Thisbikeis_andthatoneis_.2.Simonisoneoftheiroldfriends.Simonisanoldfriendof_.3.Mydogisblackandwhite.Ithastwolongears.Mydogisblackandwhite._earsarelong.4.LilyandLucyshareabedroom.Thebedroomis_.5.Ihavealongcoatandyouhaveashortcoat._coatislongand_isshort.Exercises