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
  • portfolio→ portfolios 


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
  • louse→ lice
  • 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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