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Ethanol fuel from corn: IELTS Task 1 answer #3, band 4.5

A student’s answer to this repeated IELTS question, shared without their name and marked by Axiom on the four criteria. Select a highlighted passage to see how it could be revised, and why.

163 words. Marked by Axiom on 31 July 2025. Estimated by AI. It isn’t an official IELTS score.

The process this answer describes

Ethanol fuel from corn: the stages in order
  1. Corn
  2. Storing
  3. Milling
  4. Cooking (4 hours)
  5. Fermenting (48 hours)
  6. Separating
  7. Purifying Ethanol (5 hours)
  8. Storing
  9. Transporting

Academic Task 1163 words

The diagram below shows how ethanol fuel is produced from corn.

The diagram clealry shows that process of how ethanol fuel is produced from corn.

We cook this mixture for 4 hours. Untill this action, it was been in liquid form, so, we have to change form of product from liquid to solid for good selling. Process is done and product almost ready for use. Following action cleaning from other bacterias and getting ready clear one. The next method is preparing for storing by adding any decoration to get good price.

  1. Coherence & cohesion

    RevisedFirst, the corn is stored until the milling process begins.

    Clarified the sequence and removed informal language.

  2. Grammar & accuracy

    RevisedAfter milling, water is added to prepare for cooking.

    Improved sentence structure and verb form.

  3. Coherence & cohesion

    RevisedThe next step is fermenting, which takes 48 hours.

    Provided specific time frame and improved clarity.

  4. Lexical resource

    RevisedThe next step is separating the mixture.

    Improved vocabulary precision.

  5. Grammar & accuracy

    RevisedIt is purified for 5 hours.

    Clarified the process and corrected verb form.

  6. Coherence & cohesion

    RevisedThe final step is transporting the ethanol to overseas markets.

    Clarified the final step and improved specificity.

  1. Lexical resource

    RevisedIn conclusion, the production of ethanol fuel is a lengthy process that yields a high-quality product.

    Improved conclusion clarity and formality.

Select a highlighted passage to see its suggested revision.

Estimated by AI. It isn’t an official IELTS score.

What Axiom wrote for each criterion: why the answer earned its band, and what to work on next.

Coherence & cohesion

Band 5.0/ 9

The essay presents a basic sequence of the ethanol production process but lacks clear logical progression and paragraphing.

Suggestions

  • Use clear paragraphing to separate different stages.
  • Ensure logical connectors are used appropriately to show sequence.
  • Clarify any ambiguous steps in the process.

Sentence revisions 3

  • RevisedFirst, the corn is stored until the milling process begins.

    Clarified the sequence and removed informal language.

  • RevisedThe next step is fermenting, which takes 48 hours.

    Provided specific time frame and improved clarity.

  • RevisedThe final step is transporting the ethanol to overseas markets.

    Clarified the final step and improved specificity.

Grammar & accuracy

Band 4.0/ 9

The essay contains several grammatical errors, including incorrect verb forms and sentence structures.

Sentence revisions 3

  • RevisedFirst, the corn is stored until the milling process begins.

    Corrected verb form and preposition usage.

  • RevisedAfter milling, water is added to prepare for cooking.

    Improved sentence structure and verb form.

  • RevisedIt is purified for 5 hours.

    Clarified the process and corrected verb form.

Lexical resource

Band 5.0/ 9

The essay uses basic vocabulary with some inaccuracies and informal language.

Sentence revisions 4

  • RevisedFirst, the corn is stored until the milling process begins.

    Corrected spelling errors and improved formality.

  • RevisedThe next step is separating the mixture.

    Improved vocabulary precision.

  • RevisedThe final step is transporting the ethanol to overseas markets.

    Used more precise and formal vocabulary.

  • RevisedIn conclusion, the production of ethanol fuel is a lengthy process that yields a high-quality product.

    Improved conclusion clarity and formality.

Task achievement

Band 5.0/ 9

The essay attempts to describe the process but lacks detail and accuracy in some steps.

Suggestions

  • Include specific details about each step, such as time durations.
  • Ensure all steps in the diagram are accurately represented.
  • Avoid adding unnecessary information not present in the diagram.

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