IRREGULAR PLURALS: Essential Grammar for IELTS, PTE & CELPIP Success
- Maher
- 3 days ago
- 3 min read
Master irregular plurals for IELTS, PTE and CELPIP. Learn common patterns, exam tips and fast grammar techniques with Master English Australia.
English plurals can be tricky—especially when they don’t follow the normal rule of adding –s or –es. These forms are called irregular plurals, and they appear constantly in IELTS, PTE, and CELPIP exams. If you're preparing for any of these tests—whether in Sydney, in Australia, online, or a face-to-face class—you’ll want to master this grammar point early to avoid easy mistakes.
At Master English Australia, we show students how small grammar details like irregular plurals can cost marks in Listening, Reading, and Writing. Once you know the patterns, you’ll feel far more confident and accurate in all three exams.
Why Irregular Plurals Matter for IELTS, PTE, and CELPIP
IELTS
Irregular plurals appear constantly in IELTS Listening Part 1, where writing child instead of children means you lose the mark. They also show up in Reading tasks such as matching, classification, and sentence completion.
PTE
PTE tests irregular plurals in:
Fill in the Blanks (Reading)
Write from Dictation
Summarise Spoken Text
In PTE, spelling matters just as much as grammar. Writing mouses instead of mice will instantly lower your score.
CELPIP
CELPIP includes irregular plurals in:
Listening Note-taking
Reading Apply a Diagram
Writing Task 1 (Email Response)
CELPIP uses everyday English, so irregular plurals often appear in daily situations, workplace messages, or community contexts.
Whether you're preparing through an IELTS course Australia, a PTE course online, or a CELPIP course Sydney, knowing these forms will boost your accuracy.
Common Irregular Plurals You Must Know
1. Words that change vowels
man → men
woman → women
foot → feet
tooth → teeth
goose → geese
These appear in both IELTS Listening and PTE Dictation tasks.
2. Words that change completely
child → children
person → people
mouse → mice
IELTS and CELPIP love using children in everyday conversations and forms.
3. Words with no change
sheep → sheep
fish → fish
deer → deer
aircraft → aircraft
These are common traps, especially in PTE where spelling accuracy affects multiple skills.
4. Latin and Greek plurals
You’ll see these more in IELTS and sometimes in CELPIP Reading:
analysis → analyses
basis → bases
criterion → criteria
phenomenon → phenomena
Students in our IELTS course online learn how to spot these instantly.
Quick Practice (Inspired by Cambridge IELTS Books 9–19 & PTE/CELPIP Tasks)
Try these:
The dentist said I need two ______ removed. (tooth or teeth or tooths)
The study included several different experimental ______. (criterion or criteria)
The wildlife reserve has more than fifty ______ during winter. (deer or deers)
The team interviewed five ______ for the report. (person or persons or people)
The farmer owns many ______ on his property. (sheep or sheeps)
If any of these confused you, don’t stress—this is exactly what we teach step by step at Master English Australia.
How We Teach This in Our IELTS, PTE, and CELPIP Courses
At Master English Australia, our approach includes:
Real exam examples from IELTS, PTE, and CELPIP
Pronunciation training for tricky plural forms
Listening dictation exercises tailored to each test
Error correction and personalised feedback
Online and in-person lessons to fit your schedule
Whether you're joining an IELTS course Sydney, PTE course Australia, CELPIP course online, or a private lesson, we make sure your grammar is accurate, practical, and exam-ready.
Start Building Stronger Grammar for Your Test Today
Irregular plurals are a small detail—but in IELTS, PTE, and CELPIP, details matter. Improving your accuracy can directly increase your Listening, Reading, and Writing scores.
Ready to study smarter, not harder?
Join Master English Australia and prepare with teachers who know IELTS, PTE, and CELPIP inside out.
INTERNAL LINKS
LINKS
https://immi.homeaffairs.gov.au/ (English requirements)
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