Unit4Grammar1课件牛津译林版七年级英语下册

7下Unit4GrammarLook!Hereis_______panda.

_______pandaiseatingbamboo.Milliesees_______lion._______lionisonabigcage.Theyalsosee

giraffeand_____elephant.

giraffehas

longneck.______elephanthaslargeears.______earsarelikeopenfans.aaaanaTheTheTheTheThe冠词：a&an&theHereisapanda.Thepandaiseatingbamboo.Millieseesalion.Thelionisonabigcage.Theyalsoseeagiraffeandanelephant.Thegiraffehasalongneck.Theelephanthaslargeears.

结论：

首次提到某人或某物——a/an，泛指

再次提到某人或某物——the，特指不定冠词(article)：a/an

anelephant,anhour，an“M”，anumbrella

auniversity,

a“g”

结论：判断一个单词用a还是用an，不是根据单词首字母，而是根据其音标的首字母是否为元音。

[,ju:nɪ'vɝsəti]['elɪf(ə)nt]['aʊr][em][dʒiː][ʌmˈbrelə]a,e,i,o,f[ef],h[eitʃ],l[el],m[em]n[en],r[a:],s[es],x[eks]口诀：MrLihasae-fox.

26个字母中音标首字母是元音发音的有：小试身手：用a或an填空___orange___“L”

___giraffe___oldman___

“u”

___umbrella____

hourananananaa注意：判断一个单词用a还是用an，是根据其音标的首字母是否为元音，而不是根据其首字母。an不定冠词(a/an)用法1、用于首次提到某人、物，修饰可数名词单数，表示“一”的含义。

Thisisaninterestingbook.ThereisagardenbehindJim’shouse.2、用于固定词组中。

halfanhour,alotof,justaminute,apair/packet/carton/loaf/…of…3、a/an+序数词，表示：又一，再一Hisparentshavetwochildren,buttheywanttohaveathirdone.(他的父母有两个孩子，但是他们还想再要第三个孩子)1.用于再次提到的人或物。如：

Lucyboughtanewbike,thebikeisgreen.2.世界上独一无二的事物。如：

thesunthemoon3.谈话双方都知道的人或事物。如：

Openthedoor,please.定冠词the的用法4.序数词前。如：

Hisparentshavethreechildren,and

the

thirdoneisagirl.5.乐器名词前用。如：

playthepianoplaytheviolin6.定冠词+形容词——一类人，

定冠词+在姓氏的复数形式——“全家人”或“夫妇”。therich有钱人

theyoung年轻人

theGreens格林一家7.某些专用名词和习惯用语中

theUSAinthewestof

ontheleft/right小试身手：用适当的冠词填空,并说出为什么？ThethetheThetheTheThe序数词前用于姓氏复数形式前，表示某一家人乐器前世界上独一无二的事物某些形容词前，表示某一类人Practice：Fillintheblankswitha,anorthe.1.---Icansee___kiteoverthere.---Whereis____kite?Ican’tseeit.2.---Isthere___librarynearhere?---Yes.____libraryisjustnexttoourclassroom.3.Ihave___apple.It’sinmybag.Canyousee____apple?4.Thereis_____cinemainGreenStreet.I'llwatch___filmin_____cinema.aaanaaThethethetheMillie:Let’sgotothePandaHousefirst.Daniel:Hereweare.Icansee(1)___pandathere.It’slyingonthegrass.Millie:Howcute!Ilovepandas.Look!There’s(2)____babypanda.It’ssosmall.P47CompletethedialogueaaDaniel:Yes.(3)_____babypandadoesn’tlooklikeitsmother.Millie:Nowlet’sgotoseesomelions.Daniel:Are(4)___lionsin(5)___openarea?Millie:No,theyaren’t.Theyarein(6)___verybigcage.Daniel:Isee.(Halfanhourlater)Daniel:Millie,here’s(7)____bridge.Whatcanyouseeacrossit?Millie:Oh,(8)____elephantisstandingoverthere.Daniel:Let’sgoacross(9)____bridgeandsee(10)____elephant.Thetheanaaanthethe不用冠词的情况1.名词前已有this,that,each/every,some, any或物主代词Iwanttostudyhardthisyear!2.星期、月份、季节、节日前e.g.onMonday,inJanuary,insummer, TodayisFather’sDay.3.三餐和球类运动名称前afterlunch;playfootball用适当的冠词填空。1.Thereis___“h”,___“o”,___“u”intheword“hour”.2.Thereis___orangeinthefridge.3.____pencilonthedeskbelongstoSandy.4.Ihave_____newbike.Iclean___bikeeveryday.anTheatheExerciseanaan5.Dadoftengoesfishingin____summer.A:CanIhelpyou?B:I’mlookingfor___pairofshoes.PeopleinNanjingnowgotoworkby______underground.8.Whoisgoodatplaying______footballinyourclass?9._____boyinaredcoatismycousin.×a××ThePrepositionsofplace方位介词Somepeoplearestanding_________thespring(喷泉).infrontofTherearesomefruits______theboy.behindinsideoutsideThefirstbearis______thebox.Thesecondbearis______thebox.insideoutsideEddieisjumping______thechair.正上方Thetableis

thelight.under正下方overTheshelfis______thetoyplane.belowThereisabookshelf(书架)_______mydesk.斜上方斜下方above2b斜above:

楼层、温度below:Fillintheblankswithproperprepositions.1.Helensitsinfrontofme.Isit_____her.

2.Heliftedhishands_____hishead.3.Don’twrite_____

theline(横线).Youshouldwriteaboveit.4.Thereisalamphanging(悬挂)_____

mydesk.5.Don’twait______.Comein.Itissocold.behindabovebelowoveroutside7.—Whyareyoustanding,Alice?—Ican'tseetheblackboardclearly.Twotallboysaresitting____me.A.behindB.nexttoC.betweenD.infrontof8.Mrs.Kingputacoat___thesleepinggirltokeepherwarm.A.overB.aboveC.behindD.besideTheflowersare

theshop.Thetreesare

theshop.Theshopkeeperis

theshop.infrontofbehindinsideshopkeeperflowerstreesTheboyis

theshop.Thefoodis

thedrinks.Thesignis

thebench.Thedogis

thebench.outsideaboveoverundersigndogbenchfooddrinksboy如何表达方位：A+be(am,is,are)+方位介词短语+B-Where’sthesoccerball?-It’s_____thegate.near-Where’sthesoccerball?-It’s_______thegate.nextto/beside10m2m12在…附近在…旁边在...附近/旁边Thestarsare___thebox.

in在……里面、内部Thetelephoneis____thedesk.on强调与物体表面接触onthelakeonthefootballfieldsitonthebenchWhataretheydoing?Theworkerisclimbing

uptheladder.Thelittlehorseiswalking

acrosstheriver.Thetrainisgoing

throughthetunnel.Thewomanisjumping

overthestick.Theboyisriding

downthesteps.Weuseprepositionsofmovement______theverbs.Workouttherule!after12345stickonNextto/BesideonInfrontofinunderBetweenonThereisabeautifullakeinthepark.Look!Twoboysarerowingaboat(1)_______thelake.(2)______________thelakethere’safootballfield.Someboysareplayingfootball(3)_____it.(4)__________thefootballfield,therearetwotrees.Ontheleft,abirdissinging(5)____onetree.Ontheright,twoboysaresitting(6)_______theothertree.(7)________thetwotrees,threegirlsarechatting(8)______thebench.冠词不定冠词定冠词(the)音标首字母是辅音aan冠词(article)音标首字母是元音Summaryonover/aboveinfrontofbehind