A noun can be countable or uncountable.
Countable nouns can be "counted".
Countable nouns have both singular and plural form.
These are the examples of countable nouns:
- A pencil, two pencils, three pencils .....
- An orange, two oranges, three oranges ....
- Uncountable nouns (also called mass nouns or non-count nouns) cannot be counted.
- Uncountable nouns cannot be counted because they are not separate objects.
- This means that you cannot make them plural by adding -s, because they only have a singular form.
- It also means that they do not take a/an or a number in front of them.
- These are the examples of uncountable nouns: