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1、7下GrammarAUsinga,anandtheWarmupWhatcantheyseeinSunshineZoo?asnakealionatigeragiraffeLead-inanegganumbrellaanorangeanEnglishbook1.第一次提到某人或某物时。Ihaveabook.2.泛指某一类的人或物。Apandaisverylovely.不定冠词a/an的用法判断一个单词用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,an
2、apple,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___honestboyaaanananananaaa
3、n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
4、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
5、.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。不用冠词的情况3.表
6、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
7、.anTheathe×Exercise5.Dadoftengoesfishingin____summer.A:CanIhelpyou?B:I’mlookingfor___pairofshoes.PeopleinNanjingnowgotoworkby______underground.```8.Whoisgoodatplaying______footballinyourclass?9._____boyinaredcoatismycousin.×a××The10.Iliveon____thirdfloor.11.Thereis_
8、__“h”,___“o”,___“u”intheword“hour”.12.Simonlikestoplay____pianobuthedoesn’tliketoplay___basketball.13.Beijingis____capitalofChina.thetheth
