A noun is a word used as the name of a person or a thing. In the following examples, the nouns are underlined.
He opened the parcel.
She is a student.
The weather is warm.
A cat is sitting on the steps.
Proper nouns
Names of individual persons or things are referred to as proper nouns. In English, proper nouns must begin with a capital letter. The underlined words in the following sentences are proper nouns.
e.g. The capital of َAlgeria is Algiers.
My friend, Houari, is an Algerian.
Countable nouns
Countable nouns are nouns which can form a plural, and which can be preceded by a, an, or a number. In the following examples, the countable nouns are underlined.
e.g. A bus is coming.
You may need an umbrella.
Here are two books.
Twenty students are present.