Section A: Change each of these singular nouns to a plural noun by adding -s or -es.
1. bird
2. apple
3. bench
4. box
5. bike
6. fox
7. fence
8. bush
9. hat
10. class
Section B: Write the irregular plural noun for each of these singular nouns. Some words will change spelling. Some words will stay exactly the same.
11. mouse
12. cactus
13. deer
14. man
15. wife
16. foot
17. sheep
18. fungus
19. woman
20. tooth
Answers: 1. birds; 2. apples; 3. benches; 4. boxes; 5.bikes; 6. foxes; 7. fences; 8. bushes; 9. hats; 10. classes; 11. mice; 12. cacti; 13. deer; 14. men; 15. wives; 16. feet; 17. sheep; 18. fungi; 19. women; 20. teeth.