Countable nouns are those kinds of nouns that can be counted, e.g. an umbrella, two umbrellas, three umbrellas, etc. There are two types of countable nouns: singular e.g. an umbrella and plural e.g. two umbrellas.
Uncountable nouns cannot be counted, e.g. air, rice, water, etc. generally all types of liquids e.g. water, materials/fabrics e.g. plastic, common nouns e.g. Cambridge University, foods/drinks e.g. cake, participle nouns e.g. smoking, powders/grains e.g. coffee, rice etc. , abstract ideas e.g. advice, mass nouns e.g. furniture, natural phenomena e.g. sunshine and states of being e.g. stress are uncountable.
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