Irregular Plural Nouns Worksheet for English language learners to identify and write plural forms of nouns.

Let's solve this Irregular Plural Nouns Worksheet step by step.

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Understanding the Task:

We are given sentences with a noun in parentheses. We need to write the correct plural form of that noun in the blank. These are irregular plurals, meaning they don’t follow standard rules (like adding -s or -es), so we must remember them.

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Review of Key Irregular Plurals from the Instructions:

- child → children
- mouse → mice
- moose → moose (same singular and plural)
- sheep → sheep (same singular and plural)

Also, other common irregular plurals:
- person → people
- man → men
- tooth → teeth
- die → dice
- goose → geese
- deer → deer
- cactus → cacti (or cactuses — both acceptable, but *cacti* is more formal/standard)
- salmon → salmon (same singular and plural)
- elk → elk (same singular and plural)

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Now, let’s go through each sentence:

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1. Carrie saw a flock of __________ across the field. (goose)
→ The plural of *goose* is geese
✔ Answer: geese

2. There were too many __________ in line, so I left. (person)
→ The plural of *person* is people
✔ Answer: people

3. Five __________ grazed in my backyard. (deer)
→ *Deer* is the same in singular and plural
✔ Answer: deer

4. The farmer shaved the wool of seven __________. (sheep)
→ *Sheep* is the same in singular and plural
✔ Answer: sheep

5. Two __________ helped move the television. (man)
→ The plural of *man* is men
✔ Answer: men

6. The desert is home to many __________. (cactus)
→ The plural of *cactus* is cacti (or *cactuses*, but *cacti* is preferred in academic settings)
✔ Answer: cacti

7. The baseball knocked out several of her __________. (tooth)
→ The plural of *tooth* is teeth
✔ Answer: teeth

8. We roll two __________ in the game of Monopoly. (die)
→ The plural of *die* is dice
✔ Answer: dice

9. Several __________ swim downriver each spring. (salmon)
→ *Salmon* is the same in singular and plural
✔ Answer: salmon

10. Three __________ walked slowly across the road. (elk)
→ *Elk* is the same in singular and plural
✔ Answer: elk

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✔ Final Answers:

1. geese
2. people
3. deer
4. sheep
5. men
6. cacti
7. teeth
8. dice
9. salmon
10. elk

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📝 Explanation Summary:

This worksheet tests knowledge of irregular plural nouns — words that don’t follow regular patterns like adding -s or -es. These forms must be memorized because there are no consistent rules. For example:
- "Goose" becomes "geese" (not *gooses*)
- "Tooth" becomes "teeth" (not *tooths*)
- "Die" becomes "dice" (not *dies*)

Some nouns, like sheep, deer, moose, salmon, and elk, have identical singular and plural forms.

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✔ Tip for Students: Use flashcards or repetition to memorize these irregular plurals! They often appear in writing and grammar tests.

Let me know if you'd like a printable version or a study guide for these!