We use irregular plurals in the same way as regular ones, but they are formed differently.
- Child ⇒ We have three children.
- Foot ⇒ My feet are sore.
- Man ⇒ There are some men outside the house.
- Mouse ⇒ I found three mice in the barn.
- Person ⇒ They are such nice people.
- Tooth ⇒ He lost two teeth yesterday.
- Woman ⇒ They are very beautiful women.