人教版（2024）七年级英语上册教学课件Unit 2 Lesson 3 Grammar Focus (3a-3d)

Unit2We’reFamily!SectionAWhatisyourfamilylike?GrammarFocus(3a-3d)LearningObjectivesInthislessonyouwill:1.introduceyourfamilymembersfollowingthesubject-verbagreementrules;2.mastertheusageofauxiliaryverbs“do”and“does”.3.identifytheownershipusing-’s.ReadaboutLinlin’sfamilyandguesswhichsentenceiscorrect.Linglinghasayoungerbrother.Linglinghaveayoungerbrother.LinlinHermomcookdinnerforthefamilyeveryday.Hermomcooksdinnerforthefamilyeveryday.Herdadalwayswalkthedogsafterdinner.Herdadalwayswalksthedogsafterdinner.Linlinandherbrotherliketoplaywiththedogsverymuch.Linlinandherbrotherlikestoplaywiththedogsverymuch.Linlinhasayoungerbrother.Linlinhaveayoungerbrother.Hermothercooksdinnerforthefamilyeveryday.Hermothercookdinnerforthefamilyeveryday.Herfatherwalksthedogafterdinnereveryday.Herfatherwalkthedogafterdinnereveryday.Linlinandherbrotherliketoplaywiththedog.Linlinandherbrotherlikestoplaywiththedog.Why?没有遵循主谓一致原则注：请老师注意引导，PPT上只呈现关键点。Readthesentences.Canyoucirclethesubjectsandtheverbs?TengFeiandhisgrandfatherplayping-pongeveryweek.TengFei’sgrandfatherlovessport.Theyhavesomeniceping-pongbats.TengFei’sfatherhasafishingrod.Doyouplaythepiano?Yes,Ido./No,Idon’t.Doesyourfatherspendalotoftimefishing?Yes,hedoes./No,hedoesn’t.Doesyourmotherhaveapiano?Yes,shedoes./No,shedoesn’t.Howdotheverbformschangewiththesubjects?TengFeiandhisgrandfather

playTengFei’sgrandfatherlovesTheyhaveTengFei’sfatherhasDoyouplayIdo./Idon’t.DoesyourfatherspendHedoes./Hedoesn’t.DoesyourmotherhaveShedoes./Shedoesn’t.注：请老师总结学生回答并板书，此处用板书比PPT呈现效果好。主谓一致原则(Subject-VerbAgreement)主谓一致是指谓语动词与主语在人称和数上保持一致，即主语的单复数决定谓语动词的单复数。一般来说，语法形式或意义上是单数的主语，谓语动词用单数形式；语法形式或意义上是复数的主语，谓语动词用复数形式。语法形式或意义是单数的主语，例如：He/She/ItTheapple/bookThecat/dog/birdTheboy/girlTengFei’sfatherMrSmith/MsGaoThegirlgoestoschoolbysubway.MrLiteachesusChinese.Thecatsleepsonthebed.MrSmithcomesfromtheUS.语法形式或意义是复数的主语，例如：We/They/YouStudents/TeachersTheseflowers/treesMyparents/friends/classmatesThechildren/kidsThedogs/cats/birdsWeloveourcountry.Thebirdsflyoverthetree.Thestudentsstudyveryhard.Myparentswalkeverymorning.谓语动词的复数形式一般用动词原形来表示。谓语动词单数形式的书写规则a.b.c.d.e.f.通常在动词词尾加sworks,writes,wants以ch,sh,s,x或o结尾的词加eswatches,teaches,pushes动词辅音+y结尾，变y为i加esflies,cries,studies助动词have的第三人称单数形式是hasbe动词的单数形式，在一般现在时和现在进行时中是is，过去时中是was当主语为I时，be动词为am，过去时为wasFillintheblanks.1.Thecat_______(sleep)onthecouch.2.Thechildren_______(have)theirbooksopen.3.Thecar_______(park)intheparkinglot.4.Thebirds_______(fly)southeverywinter.5.Mydad_______(have)amountainbike.Hespendsalotoftimeoncycling.sleepshaveparksflyhasCompletethepassagewiththecorrectformsoftheverbsinthebox.belikelookmakeplaytalkhaveIhaveabrotherandsister.Mybrotheristall,andhe_____shorthair.Heisreallyfunny,andheoften_____uslaugh.Mysister_____verydifferent.Sheisshort,andshehaslongbrownhair.Sheisaquietgirl.Shereally_____reading.I’mnottallorshort.Idon’t_____orreadmuch.ButI_____theviolinverywell.Ialsolikeplayingtennis.We_____alldifferent,butwehavealotoffuntogether.hasmakesislikestalkplayare助动词do和does助动词通常辅助主要动词表现时态、语态以及变成否定、疑问句结构等，它不能离开主要动词单独使用。除了主语是第三人称单数时用does，其余人称都用do。助动词do和does的用法1.助动词do和does帮助句子构成一般疑问句Doyouryoungersistershavethisbook?Dotheylikedogs?Doyouwantsomebread?Doyouhaveabike?Yes,they/we/Ido.No,they/we/Idon’t.结构：Do/Does+主语+动词原形+其他？DoesLucylikethebluebike?Doesitrainalotinyourcity?Doesyourbrotherlikeeatingmeat?Doesyourteachergiveyouhomeworkeveryday?Yes,she/he/itdoes.No,she/he/itdoesn’t.2.助动词do和does帮助句子构成否定句结构：主语+don’t/doesn’t+动词原形Ilikeapples.Idon’tlikeapples.ShelikesEnglish.Shedoesn’tlikeEnglish.Ihavesomewater.Idon’thaveanywater.Hedoeshishomework.Hedoesn’tdohishomework.Askandanswerquestionsabouteachother’sfamily.PairWorkDoyouhaveanysistersorbrothers?Doesyourfatherplayanysport?Doesyourmotherlikemusic?...Lookatthepictures.Whatarethese?teasetwritingbrushjumpropesissorA:Whosewritingbrushisit?B:It’s___________.She’slearningcalligraphy（书法）now.Linlin’sA:IsitLingling’sjumprope?B:No,itisn’t.It’sher________.Helovessports.brother’sA:Whosescissorisit?B:It’s_______________.She’sgoodatpapercutting.Linlin’smom’sA:Whoseteasetisit?B:It’s____________________.Theylikedrinkingteaverymuch.Linlin’sgrandparents’名词所有格名词所有格是名词之间表示所有或所属关系的语法结构。它主要有两种形式：’s所有格和of所有格。’s表示有生命物的名词的所有格。s的读音和名词复数加s的读音基本相同。‘s所有格1.单数名词词尾加’s，复数名词词尾如果没有s，也要加’s。Peter’shomeTom’scapMary’snosewomen’ssmilechildren’sschoolbags2.名词已有复数词尾s，词尾加’即可。yourparents’roomthekids’schoolbagsthestudents’deskstheteachers’reading-room※注意区分一个人的一件东西多个人的多件东西theboy’sjackettheboys’jacketsmyparent’scartheparents’carsmyboss’shatmybosses’hatsthewoman’sdressthewomen’sdressesthechild’stoythechildren’stoys3.表示各自拥有时每个名词的词尾都要加’s。Ella’sandEmma’sroomsLily’sandJack’snotebooksthecat’sanddog’sfoodbowlsmysister’sandbrother’ssmartphones4.表示共同拥有时，只需在最后一个名词词尾加’s。

EllaandEmma’sroomTimandTina’sparentsthecatanddog’sfoodbowlmysisterandbrother’scomputer5.表示无生命物的所有关系多用“of+名词”结构。

thetitleofthenovelthewindowofthehousetheendoftheroadthesubjectofthesentenceCompletethesentenceswiththecorrectpossessiveform(’s)ofthewordsinbrackets.1.Thisis______(Kate)cat.Itlikesfishverymuch.2.Thisis______________(EllaandEmma)classroom.Theylovetheirbigandcleanclassroom.3.Thesearemylittle_______(brother)balls.Theyplaywiththemintheplaygroundeveryday.Kate’sEllaandEmma’sbrothers’4.A:Whosecapsarethese?B:They’remy___________(grandparents).Theylikewearingcaps.5.A:Whoseschoolbagisthis?B:It’s________(TengFei)