精选优质文档-倾情为你奉上冠词一、冠词的分类:冠词分为不定冠词(a ,an)、定冠词(the)和零冠词(不用冠词的情况)三种。二、冠词的用法:(一) 不定冠词a(an)的用法与数词 one 同源,是“一个”的意思。a 用于辅音音素前, a boy a teacher a pen friendan 用于元音音素前,如an orange an apple an egg an English girl an answer an aunt an uncle an alarm clock an example an art festival an action movie an actoran email an address an interesting bookan exciting movie