Irregular plural nouns are nouns that do not become plural by adding -s or -es, as most nouns in the English language do. Let's take a look at some of the most common irregular plural nouns you have to know.
The plural nouns listed above are the most common irregular plural forms used in the English language. However, there are many, many more of these irregular plural nouns. If you want to become a teacher of English as a foreign language, it is highly recommended to familiarize yourself with these irregular plural forms the offer the best possible training to your students.