只修饰可数名词(each、every、a great many)、只修饰不可数名词(little、a little、 alarge amount of)、都可以修饰(some、alot of、plenty of) 4.不定冠词(a/an单数不特指);定冠词(the/this/that/these/those表特定) 5.such的用法 such作限定词和all,no,any,some,oth...