a great many 很多的,非常多的。只能用来修饰可数名词 。
还有一些修饰可数名词的词或词组如:a good many,
a number of , many , few
修饰不可数名词的有: a great deal of,
a large amount of , much , little
即修饰可数又修饰不可数的有:plenty of, some,
any , a lot of , lots of , a mass of,
masses of , a large quantity of ,
quantities of