Grammar: Singular & plural Nouns

 

                          Singular & plural Nouns: Rules

A noun is termed as singular if it refers to one person or thing, and it is  termed as plural if it refers to more than one person or thing.


Rule No. 1

Add ‘-s’ at the end of the most of the regular nouns to make them plural.

  • boat→ boats
  • cat → cats
  • house → houses
  • chair → chairs
  • egg→ eggs
  • cook→ cocks
  • actor→ actors
  • teacher →teachers
  • month→ months
  • building→ buildings
  • shop → shops
  • friend → friends
  • pen → pens
  • name → names
  • girl→ girls
  • book → books
  • train → trains
  • window- windows
  • desk → desks
  • month → months
  • apple→  apples

 

Rule No. 2

Add ‘-es’ to words/nouns  ending in ‘ch’, ‘sh’, ‘s’, ‘ss’, ‘x’ or ‘z’ to make the plural.

  • gas→ gases
  • truss → trusses
  • bench→ benches
  • bus → buses
  • branch → branches
  • match→ matches
  • marsh → marshes
  • quiz→ quizzes
  • kiss→ kisses
  • bush→ bushes
  • glass→ glasses
  • dish→ dishes
  • lunch → lunches
  • tax → taxes
  • Index  indexes/ indices
  • glass→ glasses
  • ass→ asses
  • lunch→ lunches
  • marsh→ marshes
  • blitz → blitzes
  • ostrich→ ostriches
  • fox → foxes
  • appendix appendices, appendixes
  • bunch → bunches
  • dish → dishes
  • loss → losses
  • bus → buses
  • church → churches
  • cross → crosses
  • waltz → waltzes
  • wish → wishes
  • beach → beaches
  • one box→  many boxes

Note:  Some nouns ending in ‘s’ or ‘z’ doubled with adding ‘-es’  to make plural

  • fez → fezzes
  • gas →gasses

Rule No. 3

Change nouns ending ‘-f’ or ‘-fe’ into ‘-ve’ and add ‘-s’ to form them plural.

  • wife →wives
  • wolf → wolves
  • knife→ knives
  • elf→ elves
  • self→ selves
  • thief → thieves
  • half → halves
  • hoof → hooves
  • leaf → leaves
  • life → lives
  • scarf- scarves

Exceptional Case: (+ ‘s’) cliff→ cliffs, dwarf→ dwarfs, handkerchief→ handkerchiefs, roof → roofs, belief → beliefs, chief → chiefs, dwarf→ dwarfs, proof→ proofs etc.

 

Rule No. 4

Change nouns ending ‘y’ and before it a consonant into ‘-ies’ and nouns ending ‘y’ and before  a vowel  adding ‘-s’ to make them plural.

  • puppy → puppies
  • reply → replies
  • fly→ flies
  • lady → ladies
  • pony → ponies
  • baby- babies
  • family → families
  • city → cities
  • berry → berries
  • copy→ copies
  • library→ libraries
  • baby → babies
  • country→ countries
  • fary→ faries
  • ray→ rays
  • boy→ boys
  • toy→ toys
  • way→ ways
  • play → plays
  • story→ stories
  • guy → guys
  • essay- essays
  • key → keys
  • delay → delays
  • day → days
  • boy → boys
  • donkey → donkeys
  • employ→ employs
  • storey→  storeys
  • stay→ stays
  • joy→ joys

Rule No. 5
Add ‘-es’ to the nouns ending ‘o’ to make them plural. (Exceptional case- add ‘-s’)
  • potato potatoes
  • tomato tomatoes
  • mosquito mosquitoes
  • negro negroes
  • volcano- volcanoes/volcanos
  • flamingo → flamingoes
  • echo → echoes
  • hero→ heroes
  • cargo →cargoes
  • buffalo buffaloes
  • mango → mangoes 

Exceptional cases: 

  • photo  photos 
  • kilo kilos 
  • piano pianos
  • halo halos
  • banjo banjos
  • canto cantos
  • stereo stereos
  • solo solos
  • radio  radios
  • Eskimo Eskimos
  • portfolioportfolios 


Rule No. 6

Change nouns ending ‘-us’ into ‘-i’ to make them plural.

  • cactus cacti
  • focus foci/ focuses
  • fungus → fungi
  • nucleus→ nuclei
  • radius radii, radiuses
  • syllabus syllabi, syllabuses


Rule No. 7

Change nouns ending ‘is’ into ‘-es’to make them plural.

  • analysis analyses
  • ellipsis ellipses
  • axis axes
  • basis bases
  • crisis crises
  • thesis  theses

 

Rule No. 8

 

Change nouns ending ‘on’ into ‘-a’ to make them plural.

  • criterion criteria
  • phenomenon phenomena



Rule No. 9

Nouns  having same singular and plural forms:

  • series series
  • deer deer
  • sheep sheep
  • series series
  • species→ species
  • fish fish
  • tuna tuna (salt water fish)
  • moose→ moose (a large deer with palmate antlers)


Rule No. 10

Some nouns always used in plural are:

  • Shorts
  • Tongs
  • Jeans
  • Pajamas
  • Spectacles
  • Trousers
  • Scissors
  • Binoculars

(These nouns contain two parts in themselves.)

Some others are: savings, valuables, arms, stairs etc.

 

 

 

Rule No. 11

Add ‘-s’ to the nouns ending with double vowels.

  • tree trees
  • zoo zoos
  • bee bees
  • bamboo bamboos

Rule No. 12

 Add ‘-s’ to the principal word to make plural to compound nouns.

  • Step-son step-sons
  • Brother-in-law brothers-in-law
  • Father-in-law fathers-in-law
  • Pea-cock pea-cocks
  • Passer-by passers-by
  • Travel-agent travel-agents
  • Father-in-law fathers-in-law
  • Sister-in-law sisters-in-law
  • Lady-in-waiting ladies in waiting
  • Hanger-on hangers-on
  • Fountain pen→ fountain-pens
  • Boyfriend boyfriends
  • Maid-servant maid-servants
  • Poet-laureate poet-laureates
  • Step-son step-sons
  • Assistant director assistant directors
  • Lieutenant-governor lieutenant governors

 

Rule No. 13

 

Complete different form of Singular and Plural nouns.

  • man men
  • woman women
  • child children
  • goose geese
  • tooth teeth
  • foot feet
  • mouse mice
  • louselice
  • person people/persons
  • alumnus alumni
  • agendum agenda
  • gymnasium gymnasia
  • memorandum memoranda
  • formula  formulae, formulas
  • criterion criteria
  • curriculum curricula
  • datum→ data
  • ellipse ellipses




Rule No. 14

Some Collective Nouns look singular but they are used as Plural.

  • Cattle
  • People
  • Jury
  • Team
  • Poultry
  • Vermin
  • Family etc.

Some nouns look Plural but they are used as Singular.

  • Mathematics
  • Economics
  • Politics
  • Physics
  • Ethics
  • Acoustics
  • Rickets (disease)
  • Mumps (disease)
  • Billiards (game)
  • Darts (game)
  • Bowls (game)

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