分类的英语量词 - 冠词和否定量词

used when we want to talk about a person or thing for the first time or when other people may not know who or what they are

一个, 一

used before a singular noun that starts with a vowel sound, when we are not talking about a specific person or thing

一个, 一个

used when referring to a person or thing that was previously mentioned or one that is identified easily

这个, 那个

used to show that there is none or almost none of something

没有, 无

not any of the members of a group of people or things

没有, 无人

one or some of a thing or number of things, however large or small

任何, 一些

used to indicate the absence or lack of something

零, 没有