冠词课件 PPT.ppt

冠词课件(1)初次提到某人或物。如:.(2)表示一类人或物。如:.(3)a和an的区别:a用在以辅音音素开头的单数可数名词前,an用在以元音音素开头的单数可数名词前。(注意:此处的辅音音素和元音音素是指单词发音的第一个音素,而不是单词的首字母)如:abook,adesk,acomputer,aEuropeancountry,aone-year-oldboy,anegg,anidea,anapple,anorange,anhour,an80-meter-longbridge等。考点精讲精练注意以下几种情况:①u的发音有两种。发/ju:/时,单词前用a;发/?/时,单词前用an。如:a(useful,usual,university,unit,European),an(umbrella,ugly,uncle,unusual)。②常见首字母不发音的有anhour,anhonestboy。③单独字母前的a和an的选用请记住一句话:,不在的用a。如:Thereisan“m”,an“a”anda“c”intheword“mooncake”.(m和a在这句话里用an,c不在里面用a)考点1专练();;;;/()./();;;;theCBC()-meter-./()-mail?Iwanttoe-./();;;/D./;aBBA();;;;an()./()“b”and“r”intheword“brown”.;;;;an()“m”“d”and“e”intheword“modern”.;a;;an;;a;;an;aABBC(1)再次提到某人或物。如:.(2)世界上独一无二的事物前。如:thesun,theearth,themoon,theGreatWall等。(3)形容词最高级以及序数词前。如:themostinterestingbook,thefirstchildinmyfamily等(4)江河湖海及山脉前。如:theYellowRiver,thePacificOcean,theHimalayaMountains等。(5)乐器前。如:playtheviolin/piano/guitar/drum等。大家应该也有点累了,稍作休息大家有疑问的,可以询问和交流8(6)姓氏复数前表某人一家,其后谓语动词用复数。如:TheSmithsarewatchingTVathomenow.(7)和形容词连用表示某一类人,其后谓语动词用复数。如:Thepoor/rich/young/oldarehavinglunchnow.(8)方位名词及身体部位前。如:ontheright/left;inthewest/eastof...;onthenose,in/ontheface等。(9)名词后有后置定语(定语从句,介词短语等)。如:’tknowthewomanunderthetree.()!;;;;A();