few,a few的区别……否定意义和肯定意义是什么意思?

few,a few的区别……否定意义和肯定意义是什么意思? 老师 说 a little a few 表示肯定意义 few little 表示否定意义 那什么是肯定意义 什么是否定意 little.a little.few a few.每一个词分别的用法,及其后加可不可数名词,表肯定还是否定意义? a little 和little,a few和few的区别,它们表示…… “a few”、“few”、“a little”和“little”分别用于肯定句中还是否定句中? a few和few.//a little和little的区别 a litter和litter a few和few的区别 little,few,a little和a few的区别 a few minutes和a few mintutes' 的区别 few和a few的区别和用法? only few和only a few的区别 very a few;very a little,有这两种用法吗?very few/little是代表肯定意义相当于