Contributor: Elephango Editors. Lesson ID: 10441
Master tricky irregular plurals with fun activities! Get creative while exploring words like mice, geese, and children! Make grammar exciting!
The word deer didn’t change—even though it's about more than one! Irregular plural nouns keep things exciting because they don’t always follow the rules.
Let’s explore how these tricky words work!
Learning Irregular Plural Nouns
Most plural nouns are simple—you just add -s or -es.
one cat → two cats
one box → two boxes
But irregular plural nouns don’t play by the rules. They change in all sorts of ways!
Some change the ending.
knife → knives
leaf → leaves
Some change the vowels.
man → men
tooth → teeth
Some add en.
ox → oxen
child → children
Some stay the same.
fish → fish
sheep → sheep
Why Do Irregular Plurals Matter?
Using these words correctly helps your writing and speaking make sense.
Imagine telling a story and saying, “One mouse ran away, but two mouses stayed.”
Knowing how to use irregular plurals makes your communication clear and polished.
Head to the Got It? section to give it a try!