Irregular Plural Nouns Worksheets and Exercises

May 29, 2025 by Alma Webster
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Not all nouns play by the rules! While most plural nouns just add -s or -es, irregular plural nouns like children, feet, and mice change in unique and surprising ways. Learning them helps students speak and write more clearly and correctly. These irregular plural nouns worksheets is designed to make practice fun and easy, with matching activities, fill-in-the-blanks, and sentence exercises. Ready to turn one tooth into many teeth? Let’s get started!

Irregular Plural Nouns Worksheets

Matching Irregular Plural Nouns Worksheet

  1. Match the singular nouns with the irregular plural nouns

Irregular Plural Nouns Worksheets and Exercises 1Pin

2. Draw a line to match the picture to the correct spelling of the singular or plural form.

Irregular Plural Nouns Worksheets and Exercises 2Pin

Fill in the Blank Irregular Plural Nouns Worksheet

  1. Look at the animals and complete the sentences with the correct singular and plural word.

Irregular Plural Nouns Worksheets and Exercises 3Pin

2. Make the singular nouns into plural nouns. 

Irregular Plural Nouns Worksheets and Exercises 4Pin

3. Fill in the blanks with the correct answer.

Irregular Plural Nouns Worksheets and Exercises 5Pin

Cut and Paste Irregular Plural Nouns Worksheet

Cut and paste the irregular plural next to the singular form. Irregular Plural Nouns Worksheets and Exercises 6Pin

Irregular Plural Nouns Exercises

Irregular Plural Nouns Exercise 1: Fill in the Blank

Direction:

Complete each sentence by writing the correct irregular plural noun form of the word in brackets.

Sentences:

  1. The _______ (child) are playing in the yard.

  2. Several _______ (tooth) fell out of the baby’s mouth.

  3. We saw many _______ (goose) flying south for the winter.

  4. The _______ (foot) of the table were painted white.

  5. Five _______ (mouse) were hiding behind the fridge.

  6. The _______ (woman) are preparing a big dinner.

  7. All the _______ (leaf) turned yellow in the fall.

  8. These _______ (person) are waiting for the bus.

  9. The _______ (wolf) howled at the moon.

  10. Those _______ (ox) are pulling the heavy cart.

Answer Key:

No. Correct Answer
1 children
2 teeth
3 geese
4 feet
5 mice
6 women
7 leaves
8 people
9 wolves
10 oxen

Irregular Plural Nouns Exercise 2: Choose the Correct Plural

Direction:

Choose the correct plural form for each singular noun. Circle A, B, or C.

Questions:

  1. cactus →
    A) cactuses B) cacti C) cactus

  2. man →
    A) mans B) manes C) men

  3. analysis →
    A) analysises B) analyses C) analysis

  4. goose →
    A) geese B) gooses C) goosen

  5. fungus →
    A) fungi B) funguses C) fungus

  6. syllabus →
    A) syllabuses B) syllabi C) syllabus

  7. crisis →
    A) crises B) crisises C) crisis

  8. deer →
    A) deers B) deer C) deeres

  9. fish →
    A) fish B) fishes C) fishs

  10. nucleus →
    A) nucleuses B) nuclei C) nucleis

Answer Key:

No. Correct Answer
1 B) cacti
2 C) men
3 B) analyses
4 A) geese
5 A) fungi
6 B) syllabi
7 A) crises
8 B) deer
9 A) fish
10 B) nuclei

Irregular Plural Nouns Exercise 3: Create Sentences

Direction:

Use the given irregular plural noun in a complete sentence. Make sure your sentence clearly shows the meaning of the word.

Irregular Plural Nouns List:

  1. children

  2. teeth

  3. feet

  4. mice

  5. men

  6. women

  7. geese

  8. oxen

  9. people

  10. leaves

Sample Answer Key (Example Sentences):

  1. Children are playing happily in the schoolyard.

  2. I brush my teeth twice a day.

  3. My feet were sore after the long walk.

  4. The mice ran into their hole quickly.

  5. Three men helped carry the heavy table.

  6. The women gathered for the meeting.

  7. We saw a flock of geese flying overhead.

  8. The oxen pulled the heavy cart through the field.

  9. Many people came to the concert last night.

  10. In the fall, the leaves turn red and yellow.

Learn more about Irregular Plural Nouns in English

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