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Bài học: Unit Page 1: Singular and Plural Nouns

Unit 1: Singular and Plural Nouns

Understanding Nouns: One and More Than One

A noun is a naming word for a person, place, thing, or idea. We use different forms of nouns to show number.

  • Singular Nouns: name one person, place, or thing (e.g., one student, a book).
  • Plural Nouns: name more than one person,place, or thing (e.g., two students, many books).

Rules for Forming Plural Nouns:

  1. Add -s: For most nouns, we simply add -s to the end.
    Example: computer + s = computers; report + s = reports.
  2. Add -es: For nouns ending in s, x, ch, or sh, add -es.
    Example: class + es = classes; box + es = boxes.
  3. Nouns ending in -y:
    • If the letter before ‘y’ is a vowel (a, e, i, o, u), just add -s.
      Example: boy + s = boys.
    • If the letter before ‘y’ is a consonant, change the ‘y’ to i and add -es.
      Example: library → libraries.
[Image: An illustration of a 'library' setting with shelves full of books, magazines, and computers, depicting a quiet study environment.]

Exercise 1: Identify Singular and Plural Nouns

Read the sentences below. Underline the singular nouns and circle the plural nouns. (Based on)

  1. Our library has three newcomputers for the students.
  2. Each student must type a password to openthe account.
  3. The teacher put many books and magazines on the shelves.
  4. One person can finish the project in two days.
  5. Thereport lists the names of five boys in the class.
  6. My account has a secure password.
  7. Groups of students are working on reports.
  8. A boy dropped his heavy book on the floor.

Exercise 2: The -S Rule

Make these singular nouns plural by adding -s. (Based on,,)

  1. computer →____________
  2. project → ____________
  3. teacher → ____________
  4. account → ____________
  5. report → ____________
  6. password → ____________
  7. magazine → ____________
  8. book → ____________
[Image: A split illustration showing the singular'one book' on the left and a stack of 'three books' on the right, labeled with 'Singular' and 'Plural' to visually demonstrate the concept.]

Exercise 3: The -ES Rule

These nouns end in s, x, ch, or sh. Make them plural by adding -es. (Based on,)

  1. class → ____________
  2. box → ____________
  3. wish → ____________
  4. bus → ____________
  5. lunch → ____________
  6. watch → ____________
  7. fox → ____________
  8. brush → ____________

Exercise 4: The -Y Rule

Look at the letter before the ‘y’. Write the correct plural form. (Based on,)

  1. library (consonant + y) → ____________
  2. boy (vowel + y) → ____________
  3. story (consonant + y) → ____________
  4. day (vowel + y) → ____________
  5. city (consonant + y) → ____________
  6. key (vowel + y) → ____________
  7. baby (consonant + y) → ____________
  8. toy (vowel + y) → ____________
[Image: A classroom scene showing a 'teacher' writing on a board while several 'students' sit at desks with 'projects', illustrating target vocabulary in context.]

Exercise 5: Choose the Correct Plural

Circle the correctly spelled plural word for each item. (Based on,)

  1. ( projects / projectes )
  2. ( classs / classes )
  3. ( libraries / librarys )
  4. ( foxs / foxes )
  5. ( accounts / accountes )
  6. ( stories / storys )
  7. (boys / boies )
  8. ( dishs / dishes )

Exercise 6: Categorizing Nouns

Sort the following words into the correct column based on how they form their plural: computer, class, library, boy, box, report, city, tray. (Basedon,)

Add -s Add-es Change y to -ies
1. _______________3. _______________6. _______________
2. _______________4. _______________7. _______________
_________________5. _______________8. _______________

Unit 1: Singular and Plural Nouns

Understanding Nouns: One and More Than One

A noun is a naming word for a person, place, thing, or idea. We use different forms of nouns to show number.

  • Singular Nouns: name one person, place, or thing (e.g., one student, a book).
  • Plural Nouns: name more than one person,place, or thing (e.g., two students, many books).

Rules for Forming Plural Nouns:

  1. Add -s: For most nouns, we simply add -s to the end.
    Example: computer + s = computers; report + s = reports.
  2. Add -es: For nouns ending in s, x, ch, or sh, add -es.
    Example: class + es = classes; box + es = boxes.
  3. Nouns ending in -y:
    • If the letter before ‘y’ is a vowel (a, e, i, o, u), just add -s.
      Example: boy + s = boys.
    • If the letter before ‘y’ is a consonant, change the ‘y’ to i and add -es.
      Example: library → libraries.
[Image: An illustration of a 'library' setting with shelves full of books, magazines, and computers, depicting a quiet study environment.]

Exercise 1: Identify Singular and Plural Nouns

Read the sentences below. Underline the singular nouns and circle the plural nouns. (Based on)

  1. Our library has three newcomputers for the students.
  2. Each student must type a password to openthe account.
  3. The teacher put many books and magazines on the shelves.
  4. One person can finish the project in two days.
  5. Thereport lists the names of five boys in the class.
  6. My account has a secure password.
  7. Groups of students are working on reports.
  8. A boy dropped his heavy book on the floor.

Exercise 2: The -S Rule

Make these singular nouns plural by adding -s. (Based on,,)

  1. computer →____________
  2. project → ____________
  3. teacher → ____________
  4. account → ____________
  5. report → ____________
  6. password → ____________
  7. magazine → ____________
  8. book → ____________
[Image: A split illustration showing the singular'one book' on the left and a stack of 'three books' on the right, labeled with 'Singular' and 'Plural' to visually demonstrate the concept.]

Exercise 3: The -ES Rule

These nouns end in s, x, ch, or sh. Make them plural by adding -es. (Based on,)

  1. class → ____________
  2. box → ____________
  3. wish → ____________
  4. bus → ____________
  5. lunch → ____________
  6. watch → ____________
  7. fox → ____________
  8. brush → ____________

Exercise 4: The -Y Rule

Look at the letter before the ‘y’. Write the correct plural form. (Based on,)

  1. library (consonant + y) → ____________
  2. boy (vowel + y) → ____________
  3. story (consonant + y) → ____________
  4. day (vowel + y) → ____________
  5. city (consonant + y) → ____________
  6. key (vowel + y) → ____________
  7. baby (consonant + y) → ____________
  8. toy (vowel + y) → ____________
[Image: A classroom scene showing a 'teacher' writing on a board while several 'students' sit at desks with 'projects', illustrating target vocabulary in context.]

Exercise 5: Choose the Correct Plural

Circle the correctly spelled plural word for each item. (Based on,)

  1. ( projects / projectes )
  2. ( classs / classes )
  3. ( libraries / librarys )
  4. ( foxs / foxes )
  5. ( accounts / accountes )
  6. ( stories / storys )
  7. (boys / boies )
  8. ( dishs / dishes )

Exercise 6: Categorizing Nouns

Sort the following words into the correct column based on how they form their plural: computer, class, library, boy, box, report, city, tray. (Basedon,)

Add -s Add-es Change y to -ies
1. _______________3. _______________6. _______________
2. _______________4. _______________7. _______________
_________________5. _______________8. _______________

Unit 1: Practice Exercises (Page 2)

Exercise 7: Singular to Plural Sentence Transformation

Rewrite each sentence by changing the underlined singular noun into a plural noun. Make sure the sentence still makes sense. (Based on,)

  1. The student finished the project.
    _______________________________________________________
  2. I borrowed a book from the library.
    _______________________________________________________
  3. The boy played a game on the computer.
    _______________________________________________________
  4. The teacher graded the report.
    _______________________________________________________
  5. She read a magazine in class.
    _______________________________________________________
  6. The person logged into the account.
    _______________________________________________________
  7. We saw a fox in the forest.
    _______________________________________________________
  8. I lost the key to the room.
    _______________________________________________________
[Image: An illustration of students working on computers in a modern classroom, showing 'reports' and 'projects' on the screens.]

Exercise 8: Fill in the Blanks

Complete the sentences using the correct plural form of the word in parentheses. (Based on,)

  1. Our school has two big __________ (library).
  2. All the __________ (student) must finish their homework.
  3. The __________ (teacher) gave us new passwords.
  4. We are working on three group __________ (project).
  5. How many __________ (person) are in your group?
  6. The __________ (shelf) are full of books.
  7. Keep your __________ (password) secret!
  8. I bought two __________ (box) of pencils.

Exercise 9: Spot the Error

Find the spelling mistake in the plural noun in each sentence. Write the correct spelling on the line. (Based on,)

  1. The librarys are open today. _______________
  2. Three boies are running in the hall. _______________
  3. Put the dishs in the sink. _______________
  4. The foxs live in the woods. _______________
  5. My classs went on a trip. _______________
  6. The babys are crying. _______________
  7. I have two sandwichs for lunch. _______________
  8. Read these storys to the class. _______________
[Image: A pile of colorful 'magazines' and 'books' arranged on a desk next to a 'computer', highlighting study materials.]

Exercise 10: Matching Singular and Plural

Draw a line to match the singular noun on the leftwith its correct plural form on the right. (Based on)

  1. person     A. accounts
  2. library     B. people
  3. account     C. classes
  4. class       D. libraries
  5. change     E. computers
  6. computer  F. changes
  7. boy       G. reports
  8. report     H. boys

Exercise 11: Word Puzzle – Plurals

Write the plural form of the words below. (Based on,)

  1. One project, two _____________.
  2. One brush, two _____________.
  3. One city, two _____________.
  4. One password, five _____________.
  5. One day, seven _____________.
  6. One bus, many _____________.
  7. One magazine, several _____________.
  8. One box, four _____________.
[Image: A group of 'people' (teacher and students) standing around a table looking at a 'project', illustrating a collaborative learning environment.]

Exercise 12: Context Clues

Choose the correctword to complete the short story. (Based on)

Our school (1)________ (library/libraries) is a busy place. Many (2)________ (student/students) go there to work on (3)________ (project/projects). Each (4)________ (person/people) has a computer account. The (5)________ (teacher/teachers) helpus find information. We look for (6)________ (book/books) and (7)________ (magazine/magazines) to read. We learn many new things in our (8)________ (class/classes).

Unit 1: Practice Exercises (Page 3)

Exercise 13: Subject-Verb Agreement

Circle the correct verb form to match the noun. Remember: Singular nouns take singular verbs (often ending in -s), and plural nouns take plural verbs. (Based on,)

  1. The student ( use / uses ) the computer.
  2. The teachers ( help / helps ) us with the project.
  3. The books ( is / are ) on the table.
  4. A person ( need / needs ) a password.
  5. The boys ( read / reads ) magazines.
  6. Our class ( go / goes ) to the library.
  7. The reports ( look / looks ) very good.
  8. My account ( open / opens ) with a code.

Exercise 14: Creative Writing

Write a short sentence using the plural form of the word given. (Based on,)

  1. (book) ____________________________________________________
  2. (class) ____________________________________________________
  3. (library) ____________________________________________________
  4. (computer) _________________________________________________
  5. (change) ___________________________________________________
  6. (teacher) __________________________________________________
  7. (story) ____________________________________________________
  8. (student) __________________________________________________

Exercise 15: Odd One Out

In each row, circle the word that has a different plural ending rule than the others. (Based on rules in,)

  1. book, computer, box, report (Hint: Which one adds -es?)
  2. class, brush, lunch, boy (Hint: Which one adds -s?)
  3. library, city, story, key (Hint: Which one does not change y to i?)
  4. magazine, account, person, watch (Hint: Which oneadds -es?)
  5. fox, bus, glass, student (Hint: Which one adds -s?)
  6. day, boy, toy, baby (Hint: Which one changes y to i?)
  7. project, password, change, dish (Hint: Which one adds -es?)
  8. shelf, leaf, life, roof (Hint: Which one does not change f to v? Note: Based on general irregulars)

Exercise 16: Scrambled Plurals

Unscramble theletters to find the plural noun. (Based on)

  1. s s a l c e s (Hint: school groups) → _______________
  2. s k o o b (Hint: reading materials) → _______________
  3. s e i r a r b i l (Hint: places for books) → _______________
  4. s t r o p e r (Hint: written work) → _______________
  5. s e x o b (Hint: containers) → _______________
  6. s e i t i c (Hint: large towns) → _______________
  7. s y o b (Hint: young men) → _______________
  8. s e h c t a w (Hint: things to tell time) → _______________

Exercise 17: True or False?

Read the rule about plural nouns. Write T for True or F for False. (Based on,)

  1. We usually add -s to make a noun plural. _____
  2. For words ending in ‘x’, we add -s. _____
  3. For library, we change ‘y’ to ‘i’and add -es. _____
  4. For boy, we change ‘y’ to ‘i’ and add -es. _____
  5. The plural of class is classs. _____
  6. The plural of book is books. _____
  7. Singular means “more than one.” _____
  8. Plural means “more than one.” _____
[Image: An illustration of a ‘computer’ displaying a ‘password’ entry screen, representingdigital vocabulary.]

Exercise 18: Quantifiers with Plurals

Complete the phrases using a(for one) or many (for plural). (Based on)

  1. I have _______ new computer.
  2. There are _______ students in the hall.
  3. She writes _______ reports for class.
  4. He created _______ password for his account.
  5. We visited _______ libraries in the city.
  6. I read _______ interesting book.
  7. The teacher has _______ projects to grade.
  8. There are _______ magazines on the rack.

Unit 1: Singular and Plural Nouns

Welcome to your interactive practice page. This unit focuses on identifying and forming singular and plural nouns using standard rules (-s, -es, -y endings) and target vocabulary from your book.

Restored Image Caption
A brightly lit school library scene showing students sitting at computers working on projects, while others are browsing shelves filled with colorful books and magazines. A teacher is assisting a student at a desk.
Grammar Rules Refresher:
1. Add -s to most nouns (e.g., computer -> computers).
2. Add -es to nouns ending in -s, -ch, -sh, -x (e.g., class -> classes).
3. Consonant + y: Change y to i and add -es (e.g., library -> libraries).
4. Vowel + y: Just add -s (e.g., boy -> boys).

Exercise 1: Identify Singular or Plural

Read the word and decide if it is Singular (one) or Plural (more than one).

Restored Image Caption
A visual collection of singular and plural items: one computer next to a stack of three computers, one report next to a pile of reports, illustrating the concept of singular versus plural.

Exercise 2: Regular Plurals (Add -s)

Type the plural form of these nouns. These follow the standard rule: add -s.

Exercise 3: Plurals ending in -es

These words end in -s, -x, -ch, or -sh. Type the correct plural form adding -es.

Restored Image Caption
A classroom scene showing multiple classes in session, and a storage area with several boxes, illustrating words that require -es endings for pluralization.

Exercise 4: The -y Rule

Decide whether to add -s or change y to -ies based on the letter before the y.

Exercise 5: Categorize the Rule

Select the correct plural ending rule for each noun (-s, -es, or -ies).

Restored Image Caption
Two boys standing near a library shelf holding books. One boy holds a single book, the other holds a stack, highlighting the plural ‘boys’ (vowel + y) and ‘books’ (-s).

Exercise 6: Choose the Correct Spelling

Select the correctly spelled plural form.

Exercise 7: Matching Singular to Plural

Match the singular noun on the left with its correct plural form on the right.

Restored Image Caption
A computer screen displaying a login prompt for a student account, asking for a password. Another screen shows multiple user accounts, illustrating ‘account’ and ‘password’.

Exercise 8: Contextual Fill-in-the-Blanks

Fill in the blank with the correct word from the unit vocabulary list.

Exercise 9: True or False

Is the plural form in bold correct? Select True or False.

Restored Image Caption
A diverse group of people standing together, representing the irregular plural ‘people’ compared to the singular ‘person’.

Exercise 10: Mixed Conversion

Convert the given singular noun into its plural form. Watch out for all rules!

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