Countable nouns and uncountable

Characteristics of countable nouns:

1. You can tell.
2. They have a singular form and a plural.
3. You can use numbers in front of them to express their amount.
4. You can use indefinite articles (a / an) in front of them.

What are uncountable nouns?

Words as sugar and money are countless in Spanish, since we can not say "two sugars", "three funds".

Characteristics:

1. They do not have plural forms.
2. You can not tell.
3. Can not be used with the indefinite articles (a / an) in front of them.
4. Always use the singular verb.