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Lexical Resource: Band 6 to 7

Lexical Resource Band 6 to 7: fix collocation errors, stop thesaurus swaps, and practise precise topic vocabulary that actually raises LR Check your essay free.

guidePublished 2026-07-23Updated 2026-08-035 min read

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Practice feedback aligned to public IELTS Writing band descriptors · how we grade · Not an official IELTS score

The Lexical Resource jump from Band 6 to Band 7 is rarely about learning obscure words. It is about collocations, natural word partnerships, plus less repetition and fewer inaccurate “advanced” choices.

This guide from IELTS AI Tutor by IELTSGRADER gives you collocation banks, before/after upgrades, and a practice method you can run through the essay checker.

What Band 7 Lexical Resource looks like

Typical Band 7 features:

  • Flexible paraphrase of key ideas
  • Topic-appropriate collocations
  • Awareness of style (academic vs letter)
  • Errors that do not prevent meaning

Typical Band 6 features:

  • Adequate vocabulary with noticeable repetition
  • Occasional wrong word choice
  • Awkward attempts at rare synonyms

See the wider band contrast in Band 6 vs 7 Task 2.

Rule 1: Collocations beat synonyms

Band 6: make a research / do a decision / big damage
Band 7: conduct research / make a decision / cause significant damage

Build pairs, not isolated words.

High-utility academic collocations (Task 2)

Education

  • pursue higher education
  • widen access to…
  • tuition fees / financial barriers
  • curriculum design
  • academic achievement

Technology

  • remote communication
  • digital literacy
  • automate routine tasks
  • data privacy concerns
  • screen time

Environment

  • curb emissions
  • renewable energy
  • sustainable transport
  • environmental regulations
  • carbon footprint

Health / lifestyle

  • sedentary lifestyle
  • preventive care
  • mental wellbeing
  • public health campaigns
  • healthcare access

Work / society

  • job security
  • work–life balance
  • income inequality
  • social mobility
  • entry-level roles

Drill: Pick one topic. Write 8 sentences using 8 collocations. No essay yet.

Paraphrase frames that sound natural

Instead of repeating important:

  • plays a crucial role in…
  • is a decisive factor in…
  • has a significant impact on…

Instead of repeating problem:

  • drawback / limitation / unintended consequence / structural barrier

Instead of repeating people say:

  • advocates argue that…
  • critics contend that…
  • it is often claimed that…

Use two or three alternatives per essay, not twelve.

Before / after upgrades

Example 1

Band 6: Technology makes life easy and also makes life difficult for people.
Band 7: Technology can remove friction from daily tasks, yet it may also fragment attention when notifications go unmanaged.

Example 2

Band 6: The government should give money to poor students for university.
Band 7: Governments can widen access through need-based grants and income-contingent loans.

Example 3

Band 6: Pollution is increasing and this is bad for the environment.
Band 7: Rising emissions continue to degrade air quality, particularly in dense urban corridors.

Same ideas; better partnerships.

Task 1 collocations (Academic)

Pair with trends vocabulary:

  • a sharp increase / a gradual decline
  • peaked at / bottomed out at
  • narrowed the gap / widened the gap
  • remained relatively stable
  • the most marked change

Avoid drama words that overstate small changes.

GT letter collocations (formal)

From formal letter practice:

  • I am writing to complain about…
  • cause considerable inconvenience
  • request a full refund
  • at your earliest convenience
  • unresolved issue

Tone precision is Lexical Resource as well as Task Achievement.

The anti-thesaurus rule

If you cannot use a word correctly in an original sentence, do not force it into the exam.

Risky Band 6 habit: ameliorate, plethora, myriad, paramount in every paragraph.
Safer Band 7 habit: precise verbs and nouns that fit.

A 7-day Lexical Resource sprint

Day Task
1 Build a 25-collocation bank for your weakest topic
2 Rewrite one old paragraph using 6 collocations
3 Timed Task 2; ban repeating any key noun more than 3 times
4 Check with Task 2 checker; note LR comments
5 Fix wrong collocations from the report; add them to an error list
6 Task 1 or letter day with module-specific phrases
7 New timed task; compare repetition count and LR band

Longer personalization: learning editions.

How your AI tutor flags LR issues

IELTS AI Tutor often highlights:

  • Repetition loops
  • Awkward word choice
  • Informal lexis in academic essays
  • Degree mismatches in Task 1

Those map to LR items in the error taxonomy. Fix cards should become bank entries, not one-time edits.

Collocation study method that sticks

  1. Notice a natural phrase in a model essay (Band 7 technology).
  2. Write it in a notebook with one original sentence.
  3. Reuse it in a new essay within 48 hours.
  4. If feedback marks it wrong, correct the bank.

Passive reading lists do not raise Lexical Resource. Retrieval does.

Common LR myths

“I need Band 9 words for Band 7.” False.
“Longer words score higher.” False.
“Never repeat any word.” False, forced paraphrase can sound unnatural.
“Idioms always help.” Risky in Academic essays; many idioms feel informal.

Topic family practice (two weeks)

Pick one family only (education, environment, work, or technology):

  • Days 1–3: collect 25 collocations from trusted models and your own corrected sentences
  • Days 4–7: two timed essays in that family only
  • Days 8–10: rewrite the weaker essay focusing on repetition removal
  • Days 11–14: one new timed essay + one Task 1/letter day so other skills do not decay

Staying inside one family accelerates Lexical Resource because retrieval repeats. Jumping topics every day resets the bank.

Try this yourself

Prompt: Rewrite one body paragraph replacing three forced “advanced” words with natural collocations.

  1. Write under realistic time limits.
  2. Check your essay free (or the Task 1/2 checker if relevant).
  3. Rewrite only the lowest criterion once, then re-check.

Next steps

Train collocations and controlled paraphrase for two weeks and recheck Lexical Resource as a trend, not a one-essay lottery.

Practise with the essay checker, review models via IELTS AI Tutor, and choose a practice plan on pricing. Signup to keep collocation fixes across multiple reports.

Frequently asked questions

How do I improve Lexical Resource from 6 to 7?

Prioritise precise collocations and natural phrasing over rare words used incorrectly.

Do idioms help LR in Task 2?

Conversational idioms often hurt register. Prefer formal collocations.

Should I memorise synonym lists?

Only in context sentences. Isolated synonym swaps create collocation errors.

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