Singular and Plural Nouns
🔤 1. What is a noun?
A noun is a word for a person, animal, place, thing, or idea.
Examples:
- person: teacher, doctor, Anna
- animal: cat, dog, bird
- place: school, park, Indonesia
- thing: book, phone, table
- idea: happiness, love, freedom
This lesson focuses on whether a noun means one or more than one.
📘 2. What does “singular” mean?
Singular means one.
Examples:
- one book
- one cat
- one student
- one car
- one teacher
So these are singular nouns:
book
cat
student
car
teacher
🧩 3. What does “plural” mean?
Plural means two or more.
Examples:
- two books
- three cats
- ten students
- two cars
- five teachers
So these are plural nouns:
books
cats
students
cars
teachers
Easy rule
ONE → SINGULAR
TWO OR MORE → PLURAL
🔍 4. The easiest way to see the difference
Compare:
| Singular | Plural |
|---|---|
| one book | two books |
| one cat | three cats |
| one student | five students |
| one car | four cars |
| one teacher | many teachers |
Usually, the plural noun has -s at the end.
🧠 5. Making a plural noun: usually add -s
For many nouns, simply add -s.
Examples:
- book → books
- car → cars
- dog → dogs
- table → tables
- student → students
- teacher → teachers
- phone → phones
Examples in sentences
I have one book.
I have three books.
There is one car outside.
There are two cars outside.
🗂️ 6. Nouns ending in -s, -sh, -ch, -x, or -o
Some nouns need -es.
Examples:
- bus → buses
- class → classes
- dish → dishes
- watch → watches
- box → boxes
- tomato → tomatoes
Compare:
one box → two boxes
one watch → three watches
one class → two classes
🎯 7. Nouns ending in consonant + y
When a noun ends in a consonant + y, usually change y → ies.
Examples:
- baby → babies
- city → cities
- country → countries
- story → stories
- family → families
So:
one baby → two babies
one city → three cities
one family → two families
💬 8. Nouns ending in vowel + y
When a noun ends in a vowel + y, usually just add -s.
Examples:
- boy → boys
- toy → toys
- day → days
- key → keys
Compare:
baby → babies
but:
boy → boys
The important difference is the letter before y.
🔤 9. Some plurals are irregular
Not every plural noun simply adds -s or -es.
Some nouns change in a different way.
Examples:
| Singular | Plural |
|---|---|
| man | men |
| woman | women |
| child | children |
| person | people |
| tooth | teeth |
| foot | feet |
| mouse | mice |
These forms need to be learned.
For example:
one child
two children
Not:
And:
one person
many people
Not:
“Persons” does exist in some formal contexts, but people is the normal word for beginners to use.
📘 10. Some nouns do not change
Some nouns have the same form for singular and plural.
Examples:
- one sheep → two sheep
- one fish → three fish
- one deer → four deer
For example:
There is one sheep in the field.
There are five sheep in the field.
The noun sheep does not change.
🧩 11. Singular nouns and “a/an”
We usually use a/an with a singular countable noun.
Examples:
- a book
- a dog
- a teacher
- an apple
- an umbrella
For example:
I have a book.
She is a teacher.
There is an apple on the table.
We don't normally use a/an with plural nouns.
Not:
Instead:
books
dogs
🔍 12. Singular and plural with “there is” and “there are”
The noun determines whether we use there is or there are.
Singular
There is a chair.
Plural
There are four chairs.
Another example:
There is a child outside.
There are several children outside.
Easy rule:
Singular → there is
Plural → there are
🧠 13. Singular and plural subjects
A noun can also be the subject of a sentence.
Remember:
The subject is who or what the sentence is about.
Examples:
The dog sleeps.
The dogs sleep.
The first subject is singular.
The second subject is plural.
🗂️ 14. Singular subjects and normal verbs
In the simple present tense, a singular subject such as he, she, it, or one singular noun usually takes -s/-es on the verb.
Examples:
The dog runs.
The boy plays football.
My mother works at a bank.
The machine makes a strange noise.
Think:
One subject → verb usually gets S
🎯 15. Plural subjects and normal verbs
With plural subjects, we normally use the basic form of the verb.
Examples:
The dogs run.
The boys play football.
My parents work at a bank.
The machines make a strange noise.
Think:
More than one subject → basic verb
Compare:
The dog runs.
The dogs run.
This difference is very important.
💬 16. Don't confuse the noun’s -s with the verb’s -s
This can be confusing.
Look at:
The cat runs.
The noun cat is singular.
The verb gets -s:
cat → runs
Now:
The cats run.
The noun gets -s because it is plural.
But the verb does not get -s.
So:
Correct:
Easy pattern
Singular noun + verb-s
The cat runs.
Plural noun + basic verb
The cats run.
🔤 17. Plural nouns do not always end in -s
This is very important.
Some plural nouns have completely different forms.
For example:
child → children
So:
The child plays.
The children play.
Even though children does not end in -s, it is plural.
Another example:
person → people
The person works.
The people work.
So don't decide that a noun is plural only because you see -s.
You need to know what the noun means.
📘 18. A group of people can be a plural subject
Sometimes several words together form one plural subject.
For example:
Emma and Lily are friends.
There are two people, so the subject is plural.
Another example:
The students are studying.
“Students” means more than one student, so it is plural.
Another:
My parents work nearby.
“Parents” means two or more people, so it is plural.
🧩 19. “And” usually makes a plural subject
When two people or things are connected with and, we normally have a plural subject.
Examples:
Emma and Lily are friends.
The dog and the cat are sleeping.
A pen and a notebook are on the desk.
Why?
Because there is more than one person or thing.
Think:
Emma and Lily = they
The dog and the cat = they
A pen and a notebook = they
So we use plural grammar:
are
do
play
work
etc.
🔍 20. “My friends” vs. “my friend”
Compare:
My friend lives nearby.
One friend.
My friends live nearby.
More than one friend.
Notice the verb:
My friend lives.
My friends live.
The noun and verb both change.
🧠 21. “A student” vs. “students”
Compare:
A student is in the classroom.
One student.
Students are in the classroom.
More than one student.
The noun changes:
student → students
And the verb changes:
is → are
🗂️ 22. Singular and plural with “to be”
With singular and plural nouns, the form of to be also changes.
Singular
The dog is hungry.
The child is tired.
The teacher is here.
Plural
The dogs are hungry.
The children are tired.
The teachers are here.
Easy rule:
One → is
More than one → are
🎯 23. What about “I”?
I means one person, but it uses am and special verb forms.
For example:
I am tired.
I like coffee.
I work here.
So don't treat I exactly like he/she/it.
Compare:
I work here.
She works here.
The important rule is:
I → am
I → basic verb
💬 24. What about “you”?
You can mean one person or more than one person.
For example:
You are my friend.
One person.
You are my friends.
More than one person.
The form stays the same:
You are
You work
You like
So don't change you to you is just because you are talking to one person.
Correct:
You are very kind.
Not:
🔤 25. Singular and plural pronouns
A useful way to think about nouns is to replace them with a pronoun.
One person or thing
Usually:
- he
- she
- it
More than one
Usually:
- they
Examples:
The boy → he
The woman → she
The computer → it
The students → they
The dogs → they
This helps you choose the correct verb.
📘 26. A very useful trick: replace the noun
When you're not sure which verb to use, replace the noun with a pronoun.
Example:
My neighbors ___ very friendly.
“My neighbors” = they
So:
My neighbors are very friendly.
Another:
The bird ___ in the tree.
“The bird” = it
So:
The bird is in the tree.
Another:
The birds ___ in the tree.
“The birds” = they
So:
The birds are in the tree.
🧩 27. Singular vs. plural: a complete comparison
| Singular | Plural |
|---|---|
| one dog | two dogs |
| a student | many students |
| the child | the children |
| the person | the people |
| the dog is | the dogs are |
| the dog runs | the dogs run |
| there is a dog | there are dogs |
| this book | these books |
| that car | those cars |
Notice that singular/plural affects many parts of a sentence.
🔍 28. This, that, these, and those
These words also show singular and plural.
Singular
this = one thing near you
This book is interesting.
that = one thing farther away
That car is expensive.
Plural
these = two or more things near you
These books are interesting.
those = two or more things farther away
Those cars are expensive.
Easy rule:
this / that → one
these / those → many
🧠 29. Common mistakes
Correct:
Why?
Two = plural.
Correct:
Why?
A means one, so use a singular noun.
Correct:
Why?
Cats = plural → basic verb.
Correct:
Why?
Cat = singular → verb usually gets -s.
Correct:
Why?
Three cars = plural.
Correct:
Why?
Children = plural.
Correct:
Why?
Parents = plural → basic verb.
Correct:
Why?
Two people = plural.
🗂️ 30. The most important rules
There are several rules worth remembering.
Rule 1
One = singular
Two or more = plural
Rule 2
Plural nouns often use -s or -es.
book → books
box → boxes
Rule 3
Some plurals are irregular.
child → children
person → people
Rule 4
Singular subjects usually take is or a simple-present verb with -s.
The dog is hungry.
The dog runs.
Rule 5
Plural subjects usually take are or the basic verb.
The dogs are hungry.
The dogs run.
🎯 31. Quick memory guide
Ask:
“How many?”
ONE
→ singular
→ is
→ normal present verb usually gets -s
Example:
The bird is small.
The bird flies.
TWO OR MORE
→ plural
→ are
→ normal present verb stays basic
Example:
The birds are small.
The birds fly.
The easiest shortcut:
ONE → is / verb-s
MANY → are / basic verb