Nouns can be countable, non-countable or both. The type of noun determines of pronoun used.
Countable nouns can be singular (= one) or plural (= two or more).
Singular countable nouns must always be used with a determiner (e.g. pronoun):
Uncountable nouns have only one form and they cannot be used:
Both countable and uncountable
Sometimes a noun can have a specific meaning (countable) or a more general meaning (uncountable). Specific (countable): Tell us about one of your experiences on your trip. General (uncountable): Do you have enough experience to do the job?
|From basics to advanced. Lots of examples and explanations (slow speed)||oxfordonlineenglish.com|
|Includes a list of nouns that are countable in Portuguese but not in English.||grammarnet.com|
|A list of some nouns that can be countable or uncountable.||grammarnet.com|
|Some examples of commonly misused uncountable nouns||englishgrammar.org|
|An overview of uncountable nouns||englishgrammar.org|