Fake formal · LR · May 2026
In Band9AI first-party platform telemetry (see methodology), writing candidates flagged at Band 5–6 most often leak marks through task response under-development in Writing Task 2. This is an observational practice metric, not a controlled trial or guaranteed official IELTS lift. Verification methodology
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The legalese trap is stuffing Task 2 with “aforementioned,” “heretofore,” and stacked passives because someone said IELTS is formal. Formal academic English is clear stance, precise verbs, and controlled hedging — not a contract. Odd pomp is a Lexical Resource leak and often hides a missing position.
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Public Writing descriptors talk about less common items used appropriately, not about sounding like a solicitor. Inappropriate idiom includes both slang and fake-legal padding.
| Pattern | What goes wrong | Correct move |
|---|---|---|
| Rare but wrong | “plethora” every paragraph | One exact noun beats a decoration |
| Legal tone in a discussion essay | You never say who should act | Name the actor: governments, schools, households |
| GT letter mismatch | Legalese to a friend | Tone follows the addressee |
Replace with this / that / who.
“Cities can price parking” not “It can be opined that measures might be undertaken.”
often / in some cases — not triple-modal stacks.
If you cannot say it in Speaking Part 3, it is probably fake formal.
The criteria and score bands on this page follow the public IELTS documents below. Band9AI is independent and not affiliated with the British Council, IDP or Cambridge.
This is a practice pattern, not a published accuracy statistic. On a timed Band9AI mock, legalese formal language writing trap usually shows up as a local penalty (one item type or one criterion) while the rest of the paper still looks acceptable. Re-run the same item type under the clock; do not only re-read the explanation.
Parent hub: best AI IELTS tools. Trap cluster: two part question traps ielts writing.
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Train pitch range, not more memorised phrases.
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