Nouns in English

Nouns are the words that name people, places, and things in a sentence.

Example
The girl rides her bicycle every day.
   Subject             Object
   Noun                Noun

Nouns are usually people, places, or things.

For example,
"John buys his fish at the supermarket."
have singular and plural forms.

For example, "John and Ingrid ride bikes to school. Ingrid rides her bike to work as well."
are the subjects and / or objects of sentences.

For example, "Ingrid rides a mountain bike to work."
are the objects of prepositions.

For example, "I ride a mountain bike to work."
can be used as adjectives.

For example, "I ride a mountain bike to work."
can be place names with one or more than one word.

For example, "I live on George Street in Victoria."

Nouns are divided into common nouns and proper nouns