Nouns

Persons, places, things.

But there are different type of nouns, depending on what they're naming.

Proper nouns
Name people, domestic animals, places and institutions. Are always writen with a capital letter.

For example: Peter, England, Oxford University.

Common nouns
Name thing, beings or concepts. For example: bag, music, air.

Are subdivided in more categories:
 * Single nouns: Name a single being or object. e.g. kid, mountain.
 * Collective nouns: Name a group of objects of beings of the same species. e.g. people, decade.


 * Concrete nouns: Things that can be acknowledged by the senses. e.g. bottle, table, music.
 * Abstract nouns: Things that can't be acknowledged by the senses. e.g. consequence, love, sadness.


 * Countable nouns: Entities that can be counted by unit. e.g. man, house, dog.
 * Uncountable nouns: Name substances, materials, and other stuff that can't be counted by unit. e.g. water, patience, money.

Exercises
Noun exercises