Sunday, 15 September 2013

Rules for Irregular Plural Formation of Nouns

Rules for Irregular Plural Formation of Nouns

Variations of the final -s rule:
  • Nouns that end with -s, -z, -x, -sh, -ch 
Add -es
glass/glasses, buzz/buzzes, box/boxes, bush/bushes, switch/switches
 
  • Nouns that end in -o 
Add -es
potato/potatoes, echo/echoes, hero/heroes
exceptions: studio/studios, piano/pianos, kangaroo/kangaroos, zoo/zoos
either: buffalo/buffalo(e)s, cargo/cargo(e)s, motto/motto(e)s, 
volcano/volcano(e)s
  • Nouns that end in a consonant + -y 
Change -y to -i and add -es
baby/babies, spy/spies, poppy/poppies
  • Nouns that end in -f, or -fe 
Change the -f to -v and add -es
shelf/shelves, wolf/wolves, knife/knives, wife/wives
Nouns adopted from other languages:
  • Singular ends in -is 
Plural ends in -es                   analysis/analyses, basis/bases
  • Singular ends in -um 
Plural ends in –a                   datum/data, curriculum/curricula
  • Singular ends in -on 
Plural ends in                     criterion/criteria, phenomenon/phenomena
  • Singular ends in -a 
Plural ends in -ae                   formula/formulae, antenna/antennae
  • Singular ends in -ex or -ix 
Plural ends in -ices               appendix/appendices, index/indices
  • Singular ends in -us 
Plural ends in -i                  focus/foci, stimulus/stimuli
  • Singular ends in -us 
Plural ends in                     corpus/corpora, genus/genera
  • Singular ends in -eau 
Plural ends in -eaux             bureau/ bureaux , beau/beaux
Nouns that have only a plural form and so take a plural verb
  • Things that come in pairs 
Tools: glasses, scissors, binoculars, forceps, tongs, tweezers
Clothes: jeans, pants, pajamas, shorts, trousers
  • Nouns that end in -s but have no singular (aggregate nouns) 
accommodations, amends, archives, arms (weapons), bowels, intestines, 
brains (intellect), clothes, communications, congratulations, contents, 
stairs, thanks, goods
  • Nouns that are plural but do not end in -s 

people, police, cattle, people









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