Educational worksheet on regular and irregular plural nouns with rules, exercises, and illustrations.

Here are the correct answers for the exercises on regular and irregular plurals.

1. Write the plural forms of the following words:

1. eggs (add -s)
2. tomatoes (ends in o, add -es)
3. children (irregular)
4. boxes (ends in x, add -es)
5. teeth (irregular)
6. ladies (consonant + y, change y to i and add -es)
7. books (add -s)
8. leaves (ends in f, change f to v and add -es)
9. feet (irregular)
10. toys (vowel + y, just add -s)
11. men (irregular)
12. fish (irregular, stays the same)
13. mice (irregular)
14. sheep (irregular, stays the same)
15. knives (ends in fe, change fe to v and add -es)
16. salmon (irregular, stays the same)
17. houses (add -s; note: usually pronounced with a 'z' sound but spelled with s)
18. wolves (ends in f, change f to v and add -es)
19. horses (add -s)
20. stars (add -s)
21. churches (ends in ch, add -es)
22. buses (ends in s, add -es)
23. dresses (ends in ss, add -es)
24. days (vowel + y, just add -s)
25. potatoes (ends in o, add -es)
26. brushes (ends in sh, add -es)

2. Fill in the correct plural forms of the words:

1. I see three women there.
2. There are two knives on the table.
3. My feet aches. *(Note: The verb "aches" is singular in the sentence, which is grammatically incorrect for a plural subject, but the noun form required is "feet").*
4. There are a lot of mice there.
5. I like to eat apples.
6. There are ten children in our class.
7. There are many tomatoes in the salad.
8. I don’t like fish.
9. There are many butterflies here.
10. I have a lot of new dresses.
11. Look at this bus. It’s orange. *(Singular because of "this")*
12. These cherries are sweet.
13. There are three books in my bag.
14. My teeth are white.

3. Fill in the correct forms of the words:

1. Do you like bananas?
2. How many pens do you have?
3. Where does this man live? *(Singular because of "this")*
4. Whose books are these?
5. When does your bus arrive? *(Singular context)*
6. How many stars can you see?
7. Can you see two deer there? *(Irregular, stays the same)*
8. Will you buy those six fish? *(Irregular, stays the same)*
9. Do you collect autumn leaves?
10. How many children are there?
11. Will you buy potatoes?
12. Is there a knife on the table? *(Singular because of "a")*
13. How many boxes have you got?

4. Correct the mistakes:

1. There are three cats under the tree.
2. These pencils are mine.
3. I’m afraid of dogs. *(Or "the dog" if specific, but usually general fear uses plural)*
4. I don’t like to eat salmon. *(Fish names often stay singular in plural form)*
5. Those children are from my class.
6. Liz put three knives on the table.
7. These horses are beautiful.
8. Don’t take the balls, it is dirty. -> Don’t take the ball, it is dirty. *(Changed noun to singular to match "it")*
9. You can see a lot of fish here.
10. This box is empty.
11. Look at this baby, he is sleeping.
12. These toys are new and interesting.
13. Read this text aloud, please.