Irregular Plurals Worksheet - Practice Writing Plural Forms of Nouns

Let's solve the "Irregular Plural Nouns" worksheet step by step.

🔹 What are Irregular Plural Nouns?

Irregular plural nouns do not follow the usual rule of adding -s or -es. Instead, they change their spelling in a unique way and must be memorized.

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Now, let’s go through each noun and write its correct plural form, one letter per box.

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1. Child → Children
- The plural of "child" is children (not "childs").
- ✔ C H I L D R E N

2. Man → Men
- The plural of "man" is men.
- ✔ M E N

3. Foot → Feet
- The plural of "foot" is feet.
- ✔ F E E T

4. Mouse → Mice
- The plural of "mouse" is mice.
- ✔ M I C E

5. Tooth → Teeth
- The plural of "tooth" is teeth.
- ✔ T E E T H

6. Knife → Knives
- The plural of "knife" is knives (add -ves).
- ✔ K N I V E S

7. Ox → Oxen
- The plural of "ox" is oxen.
- ✔ O X E N

8. Elf → Elves
- The plural of "elf" is elves (change f to v, add -es).
- ✔ E L V E S

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✔ Final Answers:

| Singular | Plural |
|--------|------------|
| Child | C H I L D R E N |
| Man | M E N |
| Foot | F E E T |
| Mouse | M I C E |
| Tooth | T E E T H |
| Knife | K N I V E S |
| Ox | O X E N |
| Elf | E L V E S |

> 💡 Tip: These irregular plurals are common exceptions in English and often need to be memorized. Practice them regularly!

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