. Uncountable nouns have only one form. i.e., the singular form. Examples: Gold, water, air, tea, milk, fire etc. You don’t normally use a/an before an uncountable noun.
A list of uncountable nouns:
a) substances: water, air, iron, paper, plastic,
b) abstract ideas: life, progress, happiness, joy, fun, freedom, health
c) activities: work, travel, sleep, football, help,
d) feelings: love, hope, anger, hate, respect
These are the most tricky ones:
* accommodation
* advice
* behavior
* business
* cash
* equipment
* furniture
* health
* homework
* information
* knowledge
* luggage
* money
* permission
* rubbish
* traffic
* travel
* weather
* work
* scenery
Uncountable only in the plural form
There is a group of nouns that have their meanings only in the plural form.
For example:
* clothes
* contents
* goods
* means
* tidings
* outskirts
* jeans
* surroundings