Uncountable nouns

Uncountable noun

1. article (a/an)

You don't need to use article such as a and an before uncountable nouns.
You can use uncountable nouns alone without article (a/an).

(ex) He visited German last year and He will visit the USA this year.
(ex) How long had you been in Australia?

2. no singular & plural

There are no singular & plural.
You can use a + .... + of with uncountable nouns.

a school of fish	a pair of trousers	a bottle of wind
a piece of music	a glass of water	a cake of soap
a handful of sand	.....	......

(ex) We listened to musics yesterday. (X)
(ex) We listened to music yesterday. (O)

3. some & any

You can use some and any with uncountable nouns.
Don't use plural forms (-s, -es)

(ex) Could you give me some water? (O)
(ex) Could you give me some waters? (X)

4. uncountable nouns (that make mistakes easily)

Here are some uncountable nouns that are count nouns in other language.
Be careful, maybe you can make mistakes easily.
Don't use plural forms (-s, -es)

advice	baggage	courage
equipment	furniture	homework
information	luck	luggage
money	music	news
poetry	traffic	weather
.....	.....	.....

(ex) I hope you buy good furniture.
(ex) Do you have money with you?

5. differences between countable nouns and uncountable nouns

Many nouns can be used as countable nouns or uncountable nouns with
different meanings.

as countable nouns	as uncountable nouns
fires, a fire -> an event	fire -> material
a glass, glasses -> a container such as cup	glass -> construction material
a language, languages -> a specific language like English, Spanish...	language -> abstract meaning including all languages
a paper, papers -> a report or a document	paper -> construction material

You should consider about the meaning of the word in these sentences.

(ex) I need a glass for the milk. (O)
(ex)I need glass for the milk. (X)

(ex) I'm looking for work. (O)
(ex) I'm looking for a work. (X)