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Singular And Plural

Nouns And Pronouns: Singular And Plural

Singular And Plural

Singular And Plural Nouns

What you'll learn

  • Singular means one; plural means more than one.
  • Most nouns become plural by adding -s (cat → cats) or -es (box → boxes).
  • Some nouns change completely — these are irregular plurals (child → children, mouse → mice).
  • To choose the correct plural form when writing sentences.

Key concepts

Level 1 — Regular plurals

Verbal: Add -s to most nouns; add -es to nouns ending in s, x, ch, sh.

RuleSingularPlural
Add -scat, dog, keycats, dogs, keys
Add -es (s/x/sh/ch ending)box, bus, dishboxes, buses, dishes
Change y to i, add -escity, babycities, babies
Change f/fe to v, add -esleaf, knifeleaves, knives

Level 2 — Irregular plurals

Verbal: Some very common nouns do not follow any rule — they must be learnt by heart.

SingularPlural
childchildren
manmen
womanwomen
toothteeth
footfeet
mousemice

Real-life: You will see these irregular words often in stories and school books, so memorising them helps reading fluency.

Worked example

Fill: I saw three ___ playing near the tree. (child)

Step 1 — 'Child' is an irregular noun.
Step 2 — Its plural is 'children', not 'childs'.
Answer: I saw three children playing near the tree.

Common mistakes

MistakeWhy it happensFix
"childs", "mans", "foots"Applying the regular -s rule everywhereLearn irregular plurals separately
"boxs" instead of "boxes"Forgetting the -es rule after xAdd -es after s, x, sh, ch
"citys" instead of "cities"Forgetting the y-to-i ruleChange y to i, then add -es
Using singular after a numberRushing while writingNumbers greater than one need a plural noun

Quick check

  • Plural of 'leaf': ?
  • Plural of 'tooth': ?
  • Fill: There are five ___ (glass) on the table.
  • Stretch: Write two sentences, one with a regular plural and one with an irregular plural.

Revision tip: Make a two-column list of five regular and five irregular plurals from your English book.

Open the Practice tab for graded questions on Singular And Plural.

Key Takeaways (TL;DR)

  • What you'll learn
  • Key concepts
  • Worked example
  • Common mistakes

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