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Irregular Plural Nouns

  •  English    20     Public
    Most plurals are formed by adding 's' or 'es', but not these ones. How many do you know? (Upper Intermediate ESL)
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  • fish
    fish
  •  10
  • sheep
    sheep
  •  10
  • cactus
    cacti
  •  25
  • Octopus
    Octopi
  •  15