1、外教一对一 http:/文章来源： 不定冠词，定冠词种类(1)不定冠词：a / an元音开头的可数名词前用 an :an egg / an apple / an orange / an eraser / an answer / an ID card / an alarm clock / an actor / an actress / an e-mail / an address / an event / an example / an opera / an houran old man / an interesting book / an exciting sport / an action
2、movie / an art lesson /(2)定冠词：thethe eggthe plane2. 用法:定冠词的用法：(1)特指某(些)人或某(些)物： The ruler is on the desk.(2)复述上文提到的人或物：He has a sweater. The sweater is new.(3)谈话双方都知道的人或物：The boys arent at school.(4)在序数词前： Johns birthday is February the second.(5)用于固定词组中： in the morning / afternoon / evening不用冠词的情况：
3、(1)专有名词前：China is a big country.(2)名词前有定语：this , that , my , your , some, any , no 等：This is my baseball.(3)复数名词表示一类人和事：Monkeys cant swim.They are teachers.(4)在节日，日期，月份，季节前：Today is Christmas Day. Its Sunday.外教一对一 http:/文章来源： (5)一日三餐前：We have breakfast at 6:30.(6)球类 棋类运动前：They often play football after class.He plays chess at home.* 但乐器前要用定冠词：I play the guitar very well.(7)学科名称前：My favorite subject is music.(8)在称呼或头衔的名词前：This is Mr Li.(9)固定词组中：at noon at night by bus
