a great number of a few a great many a group of a variety of an average of a/the majority of a total of 修饰可数复数名词 复数谓语动词 a little a great deal of much a large sum of a large amount of 修饰不可数名词 单数谓语动词 a collection of a mass of a pile of a portion of a set of a species of 加单数谓语 动词