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Grammar and StructureGRAMMAR & STRUCTURE



More than one is a plural. Plural nouns have different forms than singular nouns.


Jason has one dog, and I have two cats.



  • have regular forms.

    - add "s" to a singular noun:
        song/songs job/jobs

    - add "es" to words ending in -s, -z, -x, -ch, -sh:

    - change "y" to "i" and add "es" to words ending in consonant + "y":
        fly / flies
        country / countries
        copy / copies
        rally / rallies
  • have irregular forms.

    - change some words ending in "f" to "v" and add "es":
        calf / calves
        leaf / leaves
        knife / knives
        shelf / shelves

    - do not change sheep and deer

    - add (r)en to some words:
        child / children
        ox / oxen

    - change some words completely:
        foot / feet
        goose / geese
        tooth / teeth
        man / men
        woman / women
        mouse / mice

Related Sections

Count and Non-Count Nouns