In general, to form plurals in English, you add either -s or -es (and sometimes change a y to an i). But there are a number of words – including some you use every day – that don’t follow this rule.

Lots of languages have distinct plural forms for you. When talking to more than one person, the French use vous; the Italians, voi; the Spanish, ustedes; and the Germans, ihr. Wouldn't it be useful if ...

Test your knowledge of English plural forms! Can you identify the correct plural for words like cactus, mouse, and tooth? Editorial: Another daylight robbery of the U.S. Treasury The latest Fed ...

Here's a rule about singular and plural forms that is useful to know when talking about different types of fish. Let's find out more below! There are two plural forms for the word 'fish': 'fish' and ...