What “Grammatical Range” Actually Means

Examiners want to see that you can use a variety of sentence structures accurately — not just subject-verb-object every time. Band 5 candidates write simple sentences. Band 7+ candidates mix simple, compound and complex sentences naturally.

The Key Insight

One well-formed complex sentence is worth more than five simple sentences. However, one error-filled complex sentence is worth less than five correct simple sentences. Accuracy always beats complexity.

The Five Structures That Raise Your Score

1. Relative Clauses

Add information about a noun without starting a new sentence.

  • The policy that was introduced in 2020 has had limited success.
  • Students who study abroad often develop greater independence.
  • The city, which had a population of two million, expanded rapidly.

2. Conditional Sentences

Type Structure Example
First (likely) If + present, will + base If funding increases, outcomes will improve.
Second (hypothetical) If + past, would + base If funding increased, outcomes would improve.
Third (unreal past) If + past perfect, would have + past participle If funding had increased, outcomes would have improved.
IELTS Writing Tip

Use second conditional for solutions and recommendations: If governments invested more in education, inequality would decrease significantly. This is more academic than using “should.”

3. Passive Voice

Essential for Writing Task 1 (processes and maps) and adds variety in Task 2.

  • Active: Researchers conducted the study.
  • Passive: The study was conducted by researchers.
  • Passive (no agent): The study was conducted in 2019.

4. Participle Clauses

Condense two sentences into one — a hallmark of advanced writing.

  • Two sentences: The report was published in 2023. It revealed significant findings.
  • Participle clause: Published in 2023, the report revealed significant findings.

5. Noun Clauses

Used after reporting verbs — essential for academic writing.

  • It is widely accepted that climate change poses a global threat.
  • Research suggests that dietary habits influence academic performance.
  • There is growing evidence that early intervention improves outcomes.
The Error to Avoid

Run-on sentences (joining two complete sentences with a comma instead of a conjunction) are one of the most common Band 5 errors: “The population grew, the infrastructure did not keep pace.” Use: “Although the population grew, the infrastructure did not keep pace.”

Quick Self-Check Before Submitting

  1. Does every sentence have a subject and a main verb?
  2. Have you used at least two complex sentences per body paragraph?
  3. Are your relative clauses punctuated correctly?
  4. Have you varied your sentence lengths (not all long, not all short)?

Examiners are not looking for zero errors — they are looking for a range of structures used with reasonable accuracy.