Irregular Plural Nouns

​🔄 “Irregular Nouns: The Rule Breakers!”

Some nouns change in unexpected ways when they become plural!

What Is an Irregular Noun?

Most nouns form the plural by adding -s or -es.
BUT… irregular nouns do not follow these rules.

They change in different or surprising ways.

Examples:

• man → men

• child → children

• tooth → teeth

Common Irregular Nouns

Here are some of the most common ones:

Singular	Plural
man	men
woman	women
child	children
foot	feet
tooth	teeth
mouse	mice
goose	geese
person	people

Irregular Nouns That Stay the Same

Some irregular nouns don’t change at all in the plural!

Examples:

• sheep → sheep

• deer → deer

• fish → fish

• moose → moose

Sentence example:
We saw three deer in the forest.

“Switch the Vowel” Irregulars

Some irregular nouns change their vowel to make the plural.

Examples:

• foot → feet

• tooth → teeth

• goose → geese

• mouse → mice

These are tricky because the letters change inside the word.

Sorting Activity – What Kind of Irregular?

Directions: Put each noun under the correct category.

Words: sheep, children, feet, geese, moose, people, mice, deer

Changes inside word	Same in singular & plural
feet	sheep
geese	deer
mice	moose
children
people

Fill in the Blanks

Write the plural form for tooth.

Fill in the Blanks

Write the plural form for foot.

Fill in the Blanks

Write the plural form for mouse.

Fill in the Blanks

Write the plural form for man.

Fill in the Blanks

Write the plural form for child.

Match

Match each singular noun with its plural form:

• goose

• mouse

• woman

• foot

• child

geese

mice

women

feet

children

• geese

• mice

• women

• feet

• children

Multiple Choice

What is the plural of person?

• persons

• persones

• peoples

• people

Multiple Choice

What is the plural of leaf?

• leafs

• leaves

• leaffes

• leefes

Multiple Choice

What is the plural of child?

• childs

• childes

• chirn

• children

Multiple Choice

Read the sentence:

The man and woman walked into the store.
What is the plural of woman?

• womans

• woemens

• women

• womanes

Multiple Choice

What is the plural of knife?

• knifes

• knivvees

• knives

• knifes

Multiple Choice

Which is the correct plural of goose?

• gooses

• goose

• geese

• geeses

Multiple Choice

Sam saw several wolves near the woods. One wolf came close to the fence.
What is the plural of wolf?

• wolfs

• woovees

• wolves

• wolfes