IELTS Writing Correction Service
Writing Samples
Band 2.5

Fossil fuels, such as coal, oil and natural gas, are used in many countries. The use of alternative sources of energy, including wind and solar power, is encouraged. Is this trend a positive or negative trend?

The reversal potential is the voltage where the current drops to zero on
I-V
Correct article usage
the I-V
show examples
 curve plot (the point where the curve crosses I= 0). From the graph,
this
Linking Words
 happens at about -90mV The channel is rectifying, not ohmic. An ohmic channel would give a near-straight relation, but here the I-V curve is clearly non-linear, and the current is much stronger on one side of the voltage range than the other. At Vm = -60mV, the current is outward (since -60
mV
Use synonyms
 is more positive than Vrev ≈ -90
mV
Use synonyms
).
This
Linking Words
 is
hyperpolarizing
Change the spelling
hyperpolarising
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. I’d put GIRK channels. Vrev ≈ -90
mV
Use synonyms
, right on EK, so
this
Linking Words
 is a K+ current. The I-V is not ohmic
and
Punctuation problem
, and
show examples
 it rectifies, the inward-rectifier look. And in the GPCR slide
GIRK
Punctuation problem
, GIRK
show examples
 sites on the Gi/o → Gβγ relay, with Gβγ doing the opening directly.

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improvement
Your text shows the key facts well. It reads like notes. To fit an IELTS task, add a short start and a finish so the mark can see a plan and a close.
structure
Use simple signs to show steps, like first, next, and finally, to help flow.
structure
Keep each idea on its own line and link them with words like and, but, also, so.
accuracy
Check that you use the same units and write them the same way.
strength
Clear numbers (-90 mV, -60 mV) show key facts.
content
Good link between Vrev and EK, and what it means for K+ current.
strength
Reasoning about GIRK and GPCR shows topic knowledge.
Fully explain your ideas

To get an excellent score in the IELTS Task 2 writing section, one of the easiest and most effective tips is structuring your writing in the most solid format. A great argument essay structure may be divided to four paragraphs, in which comprises of four sentences (excluding the conclusion paragraph, which comprises of three sentences).

For we to consider an essay structure a great one, it should be looking like this:

  • Paragraph 1 - Introduction
    • Sentence 1 - Background statement
    • Sentence 2 - Detailed background statement
    • Sentence 3 - Thesis
    • Sentence 4 - Outline sentence
  • Paragraph 2 - First supporting paragraph
    • Sentence 1 - Topic sentence
    • Sentence 2 - Example
    • Sentence 3 - Discussion
    • Sentence 4 - Conclusion
  • Paragraph 3 - Second supporting paragraph
    • Sentence 1 - Topic sentence
    • Sentence 2 - Example
    • Sentence 3 - Discussion
    • Sentence 4 - Conclusion
  • Paragraph 4 - Conclusion
    • Sentence 1 - Summary
    • Sentence 2 - Restatement of thesis
    • Sentence 3 - Prediction or recommendation

Our recommended essay structure above comprises of fifteen (15) sentences, which will make your essay approximately 250 to 275 words.

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