译林版英语7B-Unit4-Grammar课件

7下GrammarAUsinga,anandtheWarmupWhatcantheyseeinSunshineZoo?asnakealionatigeragiraffeanegganumbrellaanorangeanEnglishbook1.第一次提到某人或某物时。Ihaveabook.2.泛指某一类的人或物。Apandaisverylovely.判断一个单词用a还是用an，是根据其读音，而不是根据其首字母。以元音音素开头的词前用“an”，以辅音音素开头的词前”a“。如：anhour,anapple,anelephant,ausefulbook等。Zx``kTheyalsoseegiraffeandelephant.giraffehaslongneck.elephanthaslargeears.earsarelikeopenfansaanTheaTheThe小试身手：用a或an填空___lion___bird___orange___“L”___giraffe___oldman___“u”___umbrella___interestingbook___hour___honestboyaaanananananaaan注意：an是放于元音音素前，而不是元音字母前。anItis________.Thepandaiseatingbamboo.apandaItis________.Themonkeyiseatinganappleamonkey定冠词(the)1.用于上文提到过的人或事物。eg.Iwanttohaveafashionshow.WherecanIhavetheshow?2.用于谈话双方都知道的人或事物，表示“这/那个”。eg.Who’sbehindthedoor?Lookattheblackboard.4.用于乐器名词前。5.用于某些adj.前表示一类人或事物。eg.playthepiano,playtheviolin,playtheguitareg.thepoor/rich,theold/young3.用于世界上独一无二的事物。eg.thesun,themoon,theearth,theworld,theGreatWall,theSummerPalace7.用于序数词、adj.最高级前。eg.He’sthethirdchildofhisfamily.Iwanttogotothebiggestcinema.6.用于姓氏复数前，表示“…夫妇/一家人”。eg.TheWhitesoftenhaveapartyinthegarden.8.用于一些固定短语中。eg.inthefront/middleof…,inthemorning,atthesametime,inthecentreof…Funinthezoo(P47)1a2a3The4the5an6a7a8an9the10the1.名词前已经有指示代词（this,that,these,those）、形容词性物主代词（my,his,our…）或名词所有格等限定词。2.表示语言、学科、三餐、球类运动、棋类运动的名词前。3.表示星期、月份、季节、某些节日的名词前。4.表示人名、国名、称呼语或头衔等专有名词前。5.某些固定短语中。bybike,bybus,atfirst,atwork,onfoot,gotoschool,gotobed,等。在必要的地方用a,an,the,×填空。1.WhereisPeter?Heisn’tat___school.2.Thereis___orangeinthefridge.3.____pencilonthedeskbelongstoSandy.4.Ihave__newbike.Iclean___bikeeveryday.anTheathe×5.Dadoftengoesfishingin____summer.6.A:CanIhelpyou?B:I’mlookingfor___pairofshoes.7.PeopleinNanjingnowgotoworkby______underground.```8.Whoisgoodatplaying______footballinyourclass?9._____boyinaredcoatismycousin.×a××The10.Iliveon____thirdfloor.11.Thereis___“h”,___“o”,___“u”intheword“hour”.12.Simonlikestoplay____pianobuthedoesn’tliketoplay___basketball.13.Beijingis____capitalofChina.thethethe×aanan1.Thisis___orange,____orangeisorange2.Englishis__usefullanguage.3.Mybrotheris___usualboybut___honestboy.4.Heisholding___umbrella.5.__maninredishisfather.He’sat__dinner6.Whois___strongestand___mostfriendly?7.___girloverthereis___universitystudent.8.Ihave___cat.__cat’snameisMimi.9.Mondayis__seconddayofaweek.10__sunisbiggerthan__moon11.Ilikeplaying__basketballand___piano.12.Hewasbornin___May.13.Isaw___oldmanpassbyand___oldmanlookedsad.antheaaananThe/thetheTheaaThetheThethe/the/antheGrammarBPrepositionsofplace方位介词方位介词常用来表示物体的位置Westudy___schooleveryday.Tomlives___WashingtonD.C.,theUSA.atinalongMillieiswalking______theroad.alongAcatissleeping___thebalcony.onupdownKittyisclimbing___thehill.upDanieliswalking_____thestairs.downHoboiswalking___________thetable.around/roundprep.围绕，在…周围around/roundfromtoAmyiswalking____thesofatothewindow.fromSandyisgoing___thelibrary.toThefootballfieldisthelake.nexttoprep.在…隔壁nexttoinsideoutsideThefirstbearis______thebox.Thesecondbearis______thebox.insideoutsideSomepeoplearestanding_________thespring(喷泉).infrontofTherearesomefruits______theboy.behindacrossSimonisswimming______thepool.acrossthroughAtrainisgoing_______atunnel.throughoverEddieisjumping_____thechair.overAboyislying______thetree.underThereisabookshelf(书架)_____mydesk.aboveThesofais_____thosetwopictures.belowThebankis_______thehotelandtherestaurant.betweenTherearesomebutterflies______theflowers.amonghotelrestaurantonover/aboveinfrontofbehindontheleftofontherightofunder/belowPrepositionsoftheplace(方位介词)over在……的正上方under在……的正下方above在……的上方(表面不接触)below在……的下方on在……的上面(表面接触)overunderabovebelowonDoyouknowthesewords?Let’slearnthemtogether.Canyoufillintheblankswiththeseprepositions.1.Thereisaface_____thedesk.2.Themoonis______thedesk.3.Thesunis______thedesk.4.Icanseeastar______thedesk.5.Thereisatree____thedesk.deskoveraboveunderbelowon方位介词含义注意at在…处指在某一点,常用于较小的地点in在…处相对于at,常用于较大的地点on在…上在某一平面上above在…上方表示“高于某物”below在…下方表示“低于某物”over在…上方在垂直正上方,不接触表面under在…下方在垂直正下方,不接触表面opposite在…对面方位介词含义注意infrontof在…前面在某物外部的前面，注意与inthefrontof的区别,后者指“在某物内部的前面”behind在…后面在某物的后面inside在…里面outside在…外面beside在…旁边nextto在…旁边相当于besidebetween在…中间between表示在两者之间，among表示“在三者（或以上）之间”Theflowerareinfrontoftheshop.Thetreesarebehindtheshop.Theshopkeeperisinsidetheshop.Theboyisoutsidetheshop.Thefoodisabovethedrinks.Thedrinksarebelowthefood.Thesignisoverthebench.Thedogisunderthebench.There’sabeautifullakeinthepark.Look!Twoboysarerowingaboat(1)___thelake.(2)_______thelakethere’safootballfield.Someboysareplayingfootball(3)____it.BesideIntheparkonon(4)__________thefootballfield,therearetwotrees.Ontheleft,abirdissinging.(5)____onetree.Ontheright,twoboysaresitting(6)______theothertree.(7)________thetwotrees,threegirlsarechatting(8)_____thebench.InfrontofBetweeninunderonInthepark(P48)1.on2.Beside/Nextto3.on4.Infrontof5.in6.under7.Between8.on1ontheleft在左边2ontheright在右边3chatonthebench在长椅上聊天over－underabove－belowinside－outsideinfrontof－behindontheleft(of)－ontheright(of)nextto=beside,inthemiddleof,inthecentreofin,on,at,opposite,near,between…and...,inth