Quantificatori Inglesi Categorizzati - Articoli e quantificatori negativi

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

un

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

un, una

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

il/la/i/le/l'/gli

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

niente, no

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

per niente, nessuno

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

niente

used to indicate the absence or lack of something

zero, nessuno