A noun is a word that represents a person, place, idea, or a thing. Everything we can see or talk about is represented by a word. That word is called a “noun.” You might find it useful to think of a noun as a “naming word.”
In English language, a noun can be categorized a common noun or a proper noun.
Common Noun
A common noun is the word for a person, place, or thing. It’s the word that appears in the dictionary.
Examples
city
country
cat

Noun English Language Grammar
Proper Noun
A proper noun is the given name of a person, place, or thing. It’s likely to be a personal name or a title.
Examples
London
David
Australia
A proper noun always starts with a capital letter:
London
Australia
David
It’s easy to understand difference between common and proper nouns by following example:
are the following:
Common Noun | Proper Noun |
girl | Mary |
musician | David |
city | Melbourne |
dog | Aki |
bridge | The Sydney Bridge |
The noun PEOPLE
The noun people may be used in the plural or in the singular.
The noun people in the meaning of men and women always requires a verb in the plural:
Collective nouns
Collective nouns are used with a verb in the singular or in the plural according to the sense. Such nouns are the following: staff /stɑːf/ council /ˈkaʊns(ə)l/ family /ˈfamɪli/ class /klɑːs/ public /ˈpʌblɪk/ army /ˈɑːmi/ navy /ˈneɪvi/ government /ˈɡʌv(ə)nˌm(ə)nt/ crew /krəʊ/
The Plural of Compounds
Compound nouns form their plural by adding -s to the principal word: sister-in-law sisters-in-law vriting-table vriting-tables editor-in-chief editors-in-chief passer-by passers-by In compounds with man/woman both words are pluralise: man fiend man friends journalist journalists woman woman woman doctor women doctors Compounds ending in -man , change -man into -men in the plural. There […]
The Plural of Nouns
In the English language nouns are divided into countables and uncountables according to whether they can be counted or not. Countables Uncountables student bread dog butter flower happiness table love As a rule the indefinite article a/an precedes only countables in the singular. Examples Father give me an apple. A girl wants to see […]