Irregular Plural Nouns worksheet from Tree Valley Academy, designed to practice plural forms of irregular nouns.

Task: Fill in the blanks with the plural form of the word in brackets.

#### Solution:

1. My ________ are sore. (foot)
- Plural form of "foot" is feet.
- Answer: feet

2. We saw a flock of ________ flying in a V formation. (goose)
- Plural form of "goose" is geese.
- Answer: geese

3. Two ________ were talking. (man)
- Plural form of "man" is men.
- Answer: men

4. We invited fifty ________ to the party. (person)
- Plural form of "person" is people.
- Answer: people

5. They saw two big ________ at the lake. (fish)
- Plural form of "fish" is fish (it remains the same).
- Answer: fish

6. We picked ________ from the garden. (tomato)
- Plural form of "tomato" is tomatoes.
- Answer: tomatoes

7. My cat caught three ________. (mouse)
- Plural form of "mouse" is mice.
- Answer: mice

8. The ________ are playing at the park. (child)
- Plural form of "child" is children.
- Answer: children

9. The men hunted foxes and ________. (deer)
- Plural form of "deer" is deer (it remains the same).
- Answer: deer

10. There were a lot of ________ at the beach. (family)
- Plural form of "family" is families.
- Answer: families

11. Did you brush your ________? (tooth)
- Plural form of "tooth" is teeth.
- Answer: teeth

12. I counted ten ________. (sheep)
- Plural form of "sheep" is sheep (it remains the same).
- Answer: sheep

13. ________ can climb trees. (monkey)
- Plural form of "monkey" is monkeys.
- Answer: monkeys

14. We need two ________ to play this game. (die)
- Plural form of "die" is dice.
- Answer: dice

15. I played a few of the ________ at the store. (piano)
- Plural form of "piano" is pianos.
- Answer: pianos

16. There are bears and ________ in the area. (moose)
- Plural form of "moose" is moose (it remains the same).
- Answer: moose

17. The field was plowed by a pair of ________. (ox)
- Plural form of "ox" is oxen.
- Answer: oxen

18. Police arrested the two ________. (thief)
- Plural form of "thief" is thieves.
- Answer: thieves

19. Would you like to see some of the ________ I took on our vacation? (video)
- Plural form of "video" is videos.
- Answer: videos

20. The four ________ were friends. (woman)
- Plural form of "woman" is women.
- Answer: women

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Final Answer:

1. feet
2. geese
3. men
4. people
5. fish
6. tomatoes
7. mice
8. children
9. deer
10. families
11. teeth
12. sheep
13. monkeys
14. dice
15. pianos
16. moose
17. oxen
18. thieves
19. videos
20. women

Boxed Final Answer:
\boxed{
\text{feet, geese, men, people, fish, tomatoes, mice, children, deer, families, teeth, sheep, monkeys, dice, pianos, moose, oxen, thieves, videos, women}
}