冠词是不可在句中独立担当一个成分,要放在名词前,帮助说明名词的含义。冠词有不定冠词(a, an)和定冠词 (the)两种。不定冠词a/an 用法例句1 a用在以辅音音素开头的名词前, an 用在元音音素开头的名词前a dog/university/useful book an elephant /apple/ orange/umbrella/unusual story/unhappy boy/hour/honest boy/eraser there is_____”U”in the wor d “bus”2 表示 “一,一个 ”,用在单数可数名词前。※ ( a (an) 虽 表 示 “一个”,但不强调数量,而是强调类别; one 则强调数量。)There is a picture on the wall. He has an apple in his hand. 3 第一次提到某人或某物,起介绍作用。An elephant is stronger than a horse. 大象比马力气大。4 在表示数量、 长度、时间等的计数单位的名词前,表示 “每一 ”We have three meals a day. 我们每天吃三顿饭。5 用于专有名词前, 表示不认识某人A Zhang called you just now. 一位姓张的刚才给你打电话。6 用在序数词前, 表示“又一,再一”Let me try a fourth time 。让我再试一次吧。7 用于固定搭配中A few/little/bit Have a swim/walk/talk/look/dance/drink/rest 定 冠词 the 用法例句1 用在单数的普通名词前,表示一类人或事物。the不必译出。The horse is a useful animal. 马是有用的动物2 特指某(些)人或物The book on the desk is mine 。3 指上文提到的人或物, 或指说话双方彼此都熟知的人或物。Open the door,please。I saw a film last night 。The film is very interesting 。4 指世界上独一无二的事物,the sun /the moon/ the world t/he earth The sun rises in the east and sets in the west. 或用在序数词、形容词最高级,乐器前或方位名词前须用the. He lives on the fifteenth (15th)floor 。Jerry is the youngest in our class 。He plays the piano every day 。In the east /on the right 5 在江河、湖、海、山脉、群岛、海峡、 沙漠等名词前须用 the. the Great Hall of the People ,the Great Wall,the United Nations ,the People's Republic of China. the Yellow River the West Lake 6 用在某些形容词前表示一类人the rich/ th...