Regular and Irregular Plural Nouns
Basics on the topic Regular and Irregular Plural Nouns
What is a Plural Noun? – Definition
A singular noun, refers to one person, place, thing, or idea, but how do we define a plural noun?
A plural noun, refers to more than one person, place, thing, or idea.
Here are some examples of singular and plural nouns:
| Singular Noun | Plural Noun |
|---|---|
| person | people |
| dish | dishes |
| apple | apples |
If you have noticed, some different singular nouns have different plural nouns.
That is because there are different plural nouns and they follow different rules. Let’s learn about some plural noun rules, so you can learn how to make a noun plural.
Plural Nouns – Rules
Now that you know the plural noun meaning, let’s talk about some rules. There are two types of plural nouns: regular and irregular.
For most nouns, simply adding an -s or -es will make them plural. Take a look at these examples:
| Singular Noun | Plural Noun |
|---|---|
| girl | girls |
| pizza | pizzas |
| apple | apples |
Regular Plural Nouns – -y Endings
If a word concludes with a consonant followed by -y, the -y is replaced with an -i before adding the suffix -es. Let’s take a look at a few examples:
| Singular Noun | Plural Noun |
|---|---|
| lady | ladies |
| baby | babies |
| sky | skies |
Irregular Plural Nouns
Now that we know the rules for regular plural noun words, you may be wondering what is an irregular plural noun.
The only answer to the question: what is an irregular plural noun is that there are no rules for them. In order to know what an irregular plural noun is, we just have to memorize them!
We’ll see some irregular plural noun examples below, but first, it is important to know that there are some patterns we can look out for when making an irregular noun plural. Such as:
| Singular Noun Ending | Rule |
|---|---|
| -f and -fe | made plural by changing the -f to a -v and adding -es. |
| -o | made plural by adding -es, while others only need an -s. |
- Last, the plural of some irregular nouns are formed by changing their vowels such as from -a to -e and -oo to -ee. What are examples of an irregular plural noun?
Here are some irregular noun plural examples:
| Singular Noun Ending | Rule | Examples |
|---|---|---|
| -f and -fe | made plural by changing the -f to a -v and adding -es. | half and halves, calf and calves, life and lives |
| -o | made plural by adding -es, while others only need an -s. | potato and potatoes, hero and heroes, photo and photos |
| vowel change | -a to -e and -oo to -ee | tooth and teeth, foot and feet, man and men, woman and women |
What’s a Plural Noun – Summary
What does plural noun mean? A plural noun, refers to more than one person, place, thing, or idea. There are two types of plural nouns: regular and irregular.
The rules of regular plural nouns say:
Most nouns can be made by adding -s or -es to the end, if a word ends with a consonant followed by -y, turn the -y into an -i and add -es.
There are no rules for irregular plural nouns. In order to know what an irregular plural noun is, we just have to memorize them!
Want to know more about what is a plural noun with examples and have some plural noun practice? You will find plural noun examples, worksheets, and other activities on this website!
What’s a Plural Noun – Frequently Asked Questions
Transcript Regular and Irregular Plural Nouns
"Hello and welcome back to The Plural is Right, a game show where you have to find plural nouns for singular nouns in order to win the grand prize!" Let's help Koko and Pip win the grand prize by learning about... Regular and Irregular Plural Nouns. A singular noun, refers to ONE person, place, thing, or idea. A plural noun, refers to MORE THAN ONE person, place, thing, or idea. There are two types of plural nouns: regular and irregular. The rules of regular plural nouns say: Most nouns are made plural by adding or to the end, and... if a word ends with a consonant followed by . Let's look at some examples from the board! Street is made plural by adding an to change it to streets... glass is made plural by adding to change it to glasses... and family is made plural by replacing the to change it to families. Irregular plural nouns don't follow any of these rules. That means you just have to memorize them! However there are some patterns you can look for such as... some words that end with . Another pattern is, some nouns that end in ... and some that end in at the end. Last, the plural of some irregular nouns are formed by changing their vowels such as to to change it to halves. Life is made plural by replacing the to change it to lives. Potato is made plural by adding an to change it to potatoes. Piano is made plural by adding to change it to pianos. Woman is made plural by replacing with
Regular and Irregular Plural Nouns exercise
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Help Koko define the terms below.
HintsSingular and plural are opposites.
Singular means 'single', or 'one'.
What do you think plural means?
A regular word has a rule or pattern that it follows.
Irregular words do the opposite.
SolutionA noun is a person, place, or thing.
Singular means one of something.
Plural means more than one.
Regular plural nouns end in -s, -es, or ies.
Irregular plural nouns must be memorized.
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Do you know the regular plural form of these nouns?
HintsRemember, 'y' becomes 'i' in the plural.
Regular singular nouns that end in –s, –sh, –ch, –x, or –z, add –es.
Add '-s' for all other regular singular nouns.
SolutionCar: Cars
- add 's'
- change 'y' to 'i' and add '-es'
- add '-es'
- add 's'
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Regular or irregular plural?
HintsRemember, regular plural nouns end in -s, -es, or -ies.
Irregular plural nouns sometimes change the vowel in the singular form.
Look at the example below!
Remember, changes in consonants are always irregular, even if the plural ends in -s, -es, or -ies!
Can you find a word that has a consonant change?
SolutionRegular plural nouns always end in -s, -es, or -ies:
- Cats
- Axes
- Fries
- Women (singular: woman)
- Knives (singular: knife). Consonant changes are always irregular, even when they end -s, -es, or -ies.
- Feet (singular: foot)
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What are the plural forms of the words below?
HintsFirst, say if the word is regular or irregular.
If the word is regular, add '-s, -es, or -ies'.
Use this chart from the video to help you form the irregular plural nouns.
Remember: sometimes irregular plural nouns change into completely new words! These must be memorized.
Solution1.Eye: Eyes
2.Person: People
3.Baby: Babies
4.Tooth: Teeth
5.Wife: Wives
6.Hero: Heroes
7.Child: Children
'Eye' and 'baby' are regular nouns. Add -s and -ies to make them plural. 'Person', 'tooth', 'wife', 'hero', and 'child' are irregular nouns. You must memorize their plural forms!
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What is the plural of 'butterfly'?
HintsThis is a regular noun.
Regular plural nouns end in -s, -es, or -ies.
Remember, y becomes i!
Which regular plural noun ending fits this rule?
SolutionThe plural of 'butterfly' is 'butterflies'!
Change 'y' to 'i' and add the regular plural noun ending, -es.
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Finish the sentences. Use the pictures for clues.
HintsSometimes the vowel changes in irregular plural nouns. Look at the picture below to help.
Mouse is an irregular noun with a vowel change.
Can you find which plural from the list has a vowel change in the middle of the word?
SolutionThe potatoes are cooked.
The geese are angry. Watch out!
Bob and Tucker want to be policemen when they grow up.
Eek! My house has so many mice.
Heidi bought two loaves of bread at the store.
