Forming plurals in English is not always as simple as adding -s. Class 2 IEO tests regular plurals (-s, -es), spelling-change plurals (-f to -ves, -y to -ies) and the irregular plurals that must be memorised: child/children, mouse/mice, ox/oxen, goose/geese, tooth/teeth, foot/feet. Bronze questions test the most common irregular forms. Silver questions ask which type of noun takes which ending. Gold questions require checking all nouns in a sentence for correct plural usage — including the irregular ones that catch children out most.
What is the plural of 'child'?
Correct: B) children
'Child' has an irregular plural — 'children'. It does not simply add -s or -es. Irregular plurals must be memorised.
Which noun forms its plural by adding '-es'?
Correct: B) box
Words ending in -x, -s, -sh or -ch form their plural by adding '-es'. 'Box' → 'boxes'. The others simply add -s: cats, books, hands.
Priya sees one mouse in the kitchen. Aarav sees many ___ in the garden. Which option is correct?
Correct: B) mice
'Mouse' has an irregular plural — 'mice'. This is one of the most tested irregular plurals in Class 2 IEO. It cannot be formed by adding -s or -es.
Which sentence correctly uses plural nouns throughout?
Correct: B) The oxen pulled the heavy cart.
'Oxen' is the correct plural of 'ox'. The errors: 'childs' → children; 'leafs' → leaves; 'deers' → deer (deer is the same in singular and plural).
Which pair shows correct irregular plurals for BOTH words?
Correct: C) goose → geese, tooth → teeth
Goose → geese and tooth → teeth are both correct irregular plurals. All other options contain at least one error.
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