Regular Plurals (+ s)
Most nouns in English follow a simple pattern to form the plural. If you want to learn more common nouns, check out our list of nouns in English.
Rule: Add -s to most nouns
| Singular | Plural | Example |
|---|---|---|
| cat | cats | I have two cats. |
| book | books | She reads many books. |
| table | tables | There are three tables in the room. |
| car | cars | The parking lot has many cars. |
| dog | dogs | We saw several dogs at the park. |
Nouns Ending in s, x, z, ch, sh (+ es)
Rule: Add -es to nouns ending in s, x, z, ch, or sh
| Singular | Plural | Example |
|---|---|---|
| bus | buses | Three buses arrived late. |
| box | boxes | I packed all the boxes. |
| quiz | quizzes | We have two quizzes this week. |
| church | churches | There are many churches in this city. |
| dish | dishes | Please wash the dishes. |
| glass | glasses | The waiter brought two glasses of water. |
| watch | watches | He collects expensive watches. |
| fox | foxes | We saw two foxes in the forest. |
Nouns Ending in Consonant + y (y → ies)
Rule: When a noun ends in consonant + y, change y to ies
| Singular | Plural | Example |
|---|---|---|
| baby | babies | The babies are sleeping. |
| city | cities | I have visited many cities. |
| lady | ladies | Ladies and gentlemen, welcome! |
| party | parties | We attended three parties last month. |
| story | stories | She told us interesting stories. |
| country | countries | How many countries have you visited? |
| fly | flies | There are flies in the kitchen. |
Nouns Ending in Vowel + y (+ s)
Rule: When a noun ends in vowel + y, simply add -s
| Singular | Plural | Example |
|---|---|---|
| boy | boys | The boys are playing football. |
| day | days | I need a few more days to finish. |
| key | keys | Where are my keys? |
| toy | toys | The children have many toys. |
Nouns Ending in f or fe (f/fe → ves)
Rule: For many nouns ending in f or fe, change to ves
| Singular | Plural | Example |
|---|---|---|
| knife | knives | Be careful with those knives. |
| life | lives | Many lives were saved. |
| wife | wives | The wives organized the event. |
| wolf | wolves | Wolves hunt in packs. |
| leaf | leaves | The leaves fall in autumn. |
| shelf | shelves | Put the books on the shelves. |
Nouns Ending in o
Rule: Some add -es, others add -s (no clear rule)
| Singular | Plural | Example |
|---|---|---|
| potato | potatoes | I bought five potatoes. |
| tomato | tomatoes | Add some tomatoes to the salad. |
| hero | heroes | They are true heroes. |
| photo | photos | She took many photos. |
| piano | pianos | The store sells pianos. |
| video | videos | I watched several videos online. |
Irregular Plurals
Rule: These nouns have irregular plural forms that must be memorized
| Singular | Plural | Example |
|---|---|---|
| man | men | Three men entered the room. |
| woman | women | The women are having a meeting. |
| child | children | The children are playing outside. |
| tooth | teeth | Brush your teeth twice a day. |
| foot | feet | My feet hurt after walking. |
| mouse | mice | There are mice in the basement. |
| person | people | Many people attended the concert. |
| goose | geese | The geese are flying south. |
| ox | oxen | The oxen pulled the cart. |
Nouns with Same Singular and Plural Form
| Singular | Plural | Example |
|---|---|---|
| sheep | sheep | The farmer has ten sheep. |
| deer | deer | We saw three deer in the forest. |
| fish | fish | I caught five fish today. |
| species | species | Many species are endangered. |
| aircraft | aircraft | Two aircraft landed safely. |
Exercise: Plural Forms
Write the correct plural form of each noun:
1. child →
2. box →
3. city →
4. knife →
5. man →
6. tomato →
7. sheep →
8. baby →
9. foot →
10. bus →
11. tooth →
12. woman →
13. leaf →
14. boy →
15. mouse →
