English Countable and Uncountable Nouns, Definition and Examples COUNTABLE AND UNCOUNTABLE NOUNS Nouns can be countable or uncountable. Countable nouns can be counted, for example a banana, two bananas, three bananas, etc. Uncountable nouns cannot be counted, for example rice, air, water, etc. COUNTABLE They have a single and a plural form. The single form can use the determiner “a” or “an”. Singular Plural one cat two cats one fish two fishes one man two men one idea two ideas one dress two dresses Examples There are at least twenty Germany restaurants in Little