Remember these PLURAL RULES.

Rule 1 - To form the plural of most nouns you simply add an s to the end of the noun.

Rule 2 - If the noun ends in sh, ch, x, s, or z add es to make it plural.

Rule 3 - If a noun ends in a consonant plus y, the y changes to i before es is added. Note: If the noun ends in a vowel plus y, just add s.

Rule 4 - Most of the words that end with f, ff, or fe are made plural by changing the ending to -ves.

Rule 5 - Words that end in o are usually made plural by adding s.

Rule 6 - Some words are the same in both the singular and the plural forms.

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Rule 7 - Some words form their plural by changing the whole word. These are called irregular nouns. With irregular nouns, you have to memorize the plural form.

Singular Plural
mouse mice
child children
man men
tooth teeth
foot feet
goose geese
person people
ox oxen
louse lice
woman women

Rule 8 - Some nouns are called noncount nouns. You don't make noncount nouns plural.

air ice
baggage meat
beef oil
biology oxygen
blood poetry
clothing rice
corn shopping
dust soccer
electricity sugar
fog sunshine
garbage syrup
gold toast

Practice for  Rules 1-8 Write the plural form in the blank after each word.

  1. mouse
  2. barn
  3. calf
  4. farm
  5. peach
  6. cherry
  7. pie
  8. flag
  9. likeness
  10. country
  11. building
  12. key
  13. pile
  14. leaf
  15. thief
  16. foot
  17. syrup
  18. mud
  19. soprano
  20. zoo
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  1. cement
  2. ox
  3. path
  4. deer
  5. moose
  6. yoyo
  7. shoe
  8. sugar
  9. jumbo
  10. sheep
  11. man
  12. flower
  13. woman
  14. hero
  15. baby
  16. potato
  17. wife
  18. loaf
  19. bread
  20. sale
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-----------Key-----------

  1. mice
  2. barns
  3. calves
  4. farms
  5. peaches
  6. cherries
  7. pies
  8. flags
  9. likenesses
  10. countries
  11. buildings
  12. keys
  13. piles
  14. leaves
  15. thieves
  16. feet
  17. syrup
  18. mud
  19. sopranos
  20. zoos
  21. cement
  22. oxen
  23. paths
  24. deer
  25. moose
  26. yoyos
  27. shoes
  28. sugar
  29. jumbos
  30. sheep
  31. men
  32. flowers
  33. women
  34. heroes
  35. babies
  36. potatoes
  37. wives
  38. loaves
  39. breads
  40. sales