IELTS Writing Correction Service
Writing Samples
Band 4.5

The diagram below shows how electricity is generated in a hydroelectric power station. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The diagram below shows how electricity is generated in a hydroelectric power station. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.
The
flow
Use synonyms
 chart shows the process of generating
electricity
Use synonyms
 in a hydroelectric
power
Use synonyms
 station.
Overall
Linking Words
, generating
electricity
Use synonyms
 in a hydroelectric
power
Use synonyms
 station is a cyclical process that consists of intake,
flow
Use synonyms
 of
water
Use synonyms
 to generate
electricity
Use synonyms
, transmitting the
electricity
Use synonyms
 and pumping
water
Use synonyms
. In the daytime, the dam may open and let the
high- level
Correct your spelling
high-level
show examples
reservoir
Use synonyms
's
water
Use synonyms
 which comes from the river
flow
Use synonyms
 down to the
power
Use synonyms
 station. The
flow
Use synonyms
 of
water
Use synonyms
 can let the
reverible
Correct your spelling
reversible
 turbines work to operate
generator
Add an article
a generator
the generator
show examples
, and
then
Linking Words
 the
water
Use synonyms
Use synonyms
flow
Correct subject-verb agreement
flows
show examples
 to the low-level
reservoir
Use synonyms
. The
electricity
Use synonyms
 created by
power
Use synonyms
 stations will be transmitted to the national grid through the
power
Use synonyms
 lines. At night, the reversible turbines will pump
water
Use synonyms
 from
low-level
Add an article
the low-level
show examples
reservoir
Use synonyms
 back into
high-level
Add an article
the high-level
show examples
reservoir
Use synonyms
. The
water
Use synonyms
 flows back
in
Change preposition
into
show examples
tube
Add an article
the tube
show examples
 to
high-level
Add an article
the high-level
a high-level
show examples
reservoir
Use synonyms
, and the dam will close to keep it in the high-level
reservoir
Use synonyms
,
Linking Words
then
Correct word choice
and then
show examples
 the process repeats itself.

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Common mistake: Your writing should be 150-250 words.
Basic structure: Change the third paragraph.
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Basic structure: Change the fourth paragraph.
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Vocabulary: Replace the words flow, electricity, power, water, reservoir with synonyms.
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Vocabulary: Rephrase the word "shows" in your introduction.
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Vocabulary: Only 2 basic words for charts were used.
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Vocabulary: Use several vocabularies to present the data in the second paragraph.
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Vocabulary: Use several vocabularies to present the data in the third paragraph.
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Vocabulary: Use several vocabularies to present the data in the fourth paragraph.
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Topic Vocabulary:
  • hydroelectric power station
  • reservoir
  • potential energy
  • mechanical energy
  • electrical energy
  • turbine
  • generator
  • renewable energy
  • fossil fuels
  • emissions
  • power lines
  • gate-controlled tunnels
  • gravity-driven
  • transformation
  • clean energy source
  • sustainable
  • recycled water
  • mountainous area
  • activate
  • transmit
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