专门用来修饰可数名词的有：数词,few,a few,a （large ）number of ,many,many a（+可数名词单数）,various,variety of,varieties of,numerous,these,those等
专门用来修饰不可数名词的有：little,a little,much,a great deal of,a good many of,amount of等,还有一些量词的,如：a glass of water,a bag of rice等
既可以修饰可数名词又可以修饰不可数名词的有：lots of,a lot of,plenty of,some,any,a quantity of,quantities of等.