Printable Plurals Exercises - 101 PDF Worksheets with Answers

Plurals of Nouns Printable PDF Worksheet Tests with Exercises and Answers

Access a collection of 101 printable PDF worksheets focusing on the English grammar topic of the plurals. Download fill-in-the-blank tests with exercises and answer keys for plurals of nouns to print for free. The activities in the sheets are suitable for kids, adults, ESL learners at the beginner, elementary, and intermediate levels to practice English grammar.

Plural Nouns: Understanding Plurality in English Grammar

In English grammar, nouns are words that represent people, places, things, or ideas. Plural nouns are a specific type of noun that refer to more than one person, place, thing, or idea. Understanding how to form and use plural nouns is essential for effective communication in English. In this comprehensive guide, we will explore the different aspects of plural nouns, including their formation, usage in various contexts, and specific examples.

1. Forming Regular Plural Nouns

Regular plural nouns are formed by adding an "-s" at the end of the singular form. Most nouns in English follow this rule:

Singular: dog, cat, book
Plural: dogs, cats, books

Regular plural nouns are straightforward to create, and they represent the majority of plural forms in English.

2. Forming Irregular Plural Nouns

While regular plural nouns follow a predictable pattern, irregular plural nouns do not. Irregular plural nouns have unique spelling changes when they become plural. Here are some examples:

Singular: child, mouse, foot
Plural: children, mice, feet

Notice how irregular plural nouns undergo changes in spelling to form their plural forms.

3. Adding "-es" to Form Plurals Ending in S, X, Z, CH, SH

When singular nouns end in "s", "x", "z", "ch", or "sh", the plural form is created by adding "-es" at the end:

Singular: box, watch, church, brush, dish
Plural: boxes, watches, churches, brushes, dishes

By adding "-es", these nouns become plural while maintaining their pronunciation.

4. Plural Nouns Ending in "-ies"

When singular nouns end in a consonant followed by a "y", the plural form is created by changing the "y" to "ies":

Singular: baby, country, party
Plural: babies, countries, parties

The "y" changes to "ies" to form the plural form of these nouns.

5. Plural Nouns Ending in "-ves"

Certain singular nouns ending in "f" or "fe" form their plural by replacing the "f" or "fe" with "ves":

Singular: knife, leaf, wolf
Plural: knives, leaves, wolves

The "f" or "fe" is replaced with "ves" in the plural form of these nouns.

6. Plural Nouns Ending in "-s", "-ss", "-x", "-o"

Some singular nouns already end in "s", "-ss", "-x", or "-o." In such cases, the plural form is the same as the singular:

Singular: bus, class, box, piano
Plural: buses, classes, boxes, pianos

These nouns remain unchanged when forming their plural.

7. Nouns Ending in "-y": Changing "-y" to "-ies" to Form Plurals

Nouns ending in "y" with a consonant before it are pluralized by changing the "y" to "ies":

Singular: baby, sky, story
Plural: babies, skies, stories

The "y" becomes "ies" to form the plural form of these nouns.

8. Nouns Ending in "-o": Adding "-es" to Form Plurals

For singular nouns ending in "-o", the plural is usually formed by adding "-es":

Singular: potato, tomato, hero
Plural: potatoes, tomatoes, heroes

By adding "-es", these nouns become plural.

9. Nouns with the Same Singular and Plural Form

Some nouns have the same spelling in both their singular and plural forms. This can be confusing, but the context of the sentence usually clarifies whether it's singular or plural:

Singular: deer, sheep, fish
Plural: deer, sheep, fish

In these cases, the context helps determine whether it refers to one or more than one.

10. Collective Nouns: Sometimes Singular, Sometimes Plural

Collective nouns represent a group of people, animals, or things as a single unit. Depending on the context, they can function as either singular or plural:

Singular: The team is practicing. (referring to the team as a single unit)
Plural: The team are arguing. (referring to the team members as individuals)

The verb used in the sentence changes depending on whether the collective noun is treated as singular or plural.

11. Compound Nouns: Pluralizing Both Words

Compound nouns are formed by combining two or more words to create a single concept. To pluralize a compound noun, both words are usually made plural:

Singular: mother-in-law, son-in-law
Plural: mothers-in-law, sons-in-law

Both "mother" and "law" are made plural to create the plural form of the compound noun.

12. Nouns with Latin or Greek Origins: Keeping the Original Plural

Nouns with Latin or Greek origins often retain their original plural forms:

Singular: cactus, fungus, phenomenon
Plural: cacti, fungi, phenomena

The plural forms are adapted from the original Latin or Greek words.

13. Plural Forms of Abbreviations and Acronyms

Abbreviations and acronyms can have plural forms when referring to multiple instances of the abbreviated term:

Singular: CD (Compact Disc), UFO (Unidentified Flying Object), TV (Television)
Plural: CDs, UFOs, TVs

By adding an "s" to the abbreviation, it becomes plural.

14. With Apostrophes in Possessive Form

When forming the possessive form of plural nouns, the apostrophe is placed after the "s":

Singular Possessive: the student's book (belonging to one student)
Plural Possessive: the students' books (belonging to multiple students)

The apostrophe is used to indicate possession for multiple students.

15. Refer to Multiple Items

Plural nouns are used when referring to more than one item:

I bought three apples.
There are five cars in the parking lot.
The city has many beautiful houses.

In each of these sentences, the plural nouns "apples", "cars", and "houses" indicate multiple items.

16. With Quantifiers

Plural nouns can be paired with quantifiers to indicate a specific quantity:

few books, several chairs, a couple of pens

Quantifiers like "few", "several", and "a couple of" are used with plural nouns to specify an amount or quantity.

17. Used in Comparisons

Plural nouns are used in comparisons to compare two or more things:

taller trees, faster cars, older houses

In these examples, plural nouns are used to compare the height of trees, the speed of cars, and the age of houses.

18. With Determiners

Plural nouns are often used with determiners to specify which objects are being referred to:

these books, those cats, some houses

Determiners like "these", "those", and "some" help identify and clarify the specific nouns being discussed.

19. Used to Indicate Variety

Plural nouns are used to indicate different types or categories:

different species, various colors, several options

In each of these examples, the plural nouns "species", "colors", and "options" indicate various types or categories.

20. In Subject-Verb Agreement

When plural nouns are the subject of a sentence, the verb that follows must also be in the plural form:

The books are on the shelf.
The cars were parked in the garage.

In these sentences, the verbs "are" and "were" agree with the plural nouns "books" and "cars", respectively.

21. Used with Countable and Uncountable Nouns

Plural nouns can be used with both countable and uncountable nouns to indicate specific quantities:

two bottles of water (countable)
three cups of coffee (countable)
a lot of furniture (uncountable)
some useful information (uncountable)

In these examples, the plural nouns "bottles" and "cups" are used with countable nouns, while "furniture" and "information" are used with uncountable nouns.

22. Indicating Multiple Occurrences

Plural nouns can be used to indicate multiple occurrences of an action or event:

The dogs barked loudly.

In this sentence, the plural noun "dogs" indicates that more than one dog barked.

23. Used in Addresses and Salutations

Plural nouns are commonly used in addresses and salutations when addressing a group of people:

Dear friends,
Ladies and gentlemen,

In these examples, "friends" and "ladies and gentlemen" are plural nouns used to address a group of people.

24. Countable Plural Nouns

Countable plural nouns are nouns that can be counted as individual units:

books, chairs, apples

Countable nouns can be used with numbers and determiners like "a", "an", and "many."

25. Uncountable Plural Nouns

Uncountable plural nouns are nouns that cannot be counted as separate units:

furniture, information, equipment

Uncountable nouns do not typically take an "s" to form the plural and are not used with numbers.

26. Used to Talk About Groups of People

Plural nouns are often used to refer to groups of people:

students, teachers, employees

In these examples, "students", "teachers", and "employees" are plural nouns referring to multiple individuals.

27. Used to Describe Collections of Things

Plural nouns are used to describe collections or groups of things:

coins, keys, stamps

Each of these nouns represents a group of related objects.

28. Used to Refer to Pairs of Objects

Some plural nouns are used to refer to pairs of objects:

shoes, socks, gloves

These nouns typically come in pairs when used by individuals.

29. Used in Scientific Contexts

In scientific contexts, plural nouns are used to discuss concepts or phenomena:

species, data, phenomena

In scientific discussions, "species", "data", and "phenomena" are common plural nouns.

30. Indicating Different Types or Categories

Plural nouns are used to indicate different types or categories:

colors, shapes, sizes

In these examples, "colors", "shapes", and "sizes" represent various types or categories.

31. Indicating Quantities

Plural nouns are used to indicate specific quantities:

dozens, hundreds, thousands

These nouns quantify a particular number of items.

32. Used in Idiomatic Expressions

Plural nouns are used in various idiomatic expressions to convey specific meanings:

birds of a feather, apples and oranges, fish out of water

In these expressions, plural nouns are used to create idiomatic meanings that go beyond their literal interpretations.


Understanding plural nouns and their various use cases is essential for effective communication in English. Whether forming regular plurals, dealing with irregular plurals, or using plural nouns in specific contexts, mastering plural forms adds clarity and precision to your language skills. By incorporating these diverse plural forms into your English vocabulary, you will be able to express yourself accurately and comprehensively in a wide range of situations and subject matters.