新概念英语第二册语法精粹一、冠词The Article知识要点:冠词是一种虚词,放在名词的前面,帮助说明名词的含义。冠词分不定冠词(The Indefinite Article)和定冠词(The definite Article)两种。a (an) 是不定冠词,a用在辅音之前:如a book, a man; an用在元音之前,如:an old man, an hour, an interesting book等。the是定冠词。一、不定冠词的用法1、指人或事物的某一种类(泛指)。这是不定冠词a (an)的基本用法。如:She is a girl. I am a teacher. Please pass me an apple.2、指某人或某物,但不具体说明何人或何物。如:He borrowed a story-book from the library.A Wang is looking for you. 一位姓王的同志正在找你。3、表示数量,有“一”的意思,但数的概念没有one强烈。如:I have a mouth, a nose and t