IELTS Writing Correction Service
Writing Samples
Band 6

The diagram below shows how electricity is generated in a hydroelectric power station.

The diagram below shows how electricity is generated in a hydroelectric power station.
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The given flow chart
illustrate
Change the verb form
illustrates
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method
Add an article
a method
the method
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 of
produce
Change the verb form
producing
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th
Correct your spelling
the
 electricity by using a hydroelectric energy system.
Overall
Linking Words
, the production of electricity
involve
Change the verb form
involves
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a
Correct the article-noun agreement
apply
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four main stages,
cyclical
Correct article usage
a cyclical
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 process that begins
wih
Correct your spelling
with
 the flowing river
water
Use synonyms
since
Change preposition
from
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 the
high
Add a hyphen
high-level
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level
Use synonyms
reservoir
Use synonyms
 and
eventually
Add a comma
,eventually
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this
Linking Words
 process
produce
Correct subject-verb agreement
produces
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 the power.
According to
Linking Words
this
Linking Words
 diagram,
firstly
Linking Words
, the river
water
Use synonyms
 flows to the
high
Add a hyphen
high-level
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level
Use synonyms
reservoir
Use synonyms
 surrounded by a dam and faces a mechanism which is opened during the daytime and closed at night.In the
ssubsequent
Correct your spelling
subsequent
 stage,
for
Change preposition
to
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generate
Change the form of the verb
generating
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 electricity,
water
Use synonyms
 goes
downward
Replace the word
down
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 through the large size drains and they enter the power station which
consist
Change the verb form
consists
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 of several parts including a generator, power lines and reversible turbines. In the next stage, during the day fluid passes through
this
Linking Words
 system and ultimately appears in the
low-
Correct your spelling
low-level
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level
Use synonyms
reservoir
Use synonyms
 by using reversible turbines, which operate the generator.
However
Linking Words
, at night time
this
Linking Words
 mechanism works in the opposite direction.In fact, the
water
Use synonyms
 is pumped into the
high
Add a hyphen
high-level
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level
Use synonyms
reservoir
Use synonyms
 from the lower one.

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Basic structure: Change the fourth paragraph.
▼
Vocabulary: Replace the words water, level, reservoir with synonyms.
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Vocabulary: Rephrase the word "undefined" in your introduction.
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Vocabulary: Only 5 basic words for charts were used.
▼
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 fourth paragraph.
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Topic Vocabulary:
  • Reservoir
  • Penstock
  • Turbine
  • Generator
  • Transformer
  • High voltage
  • Renewable energy
  • Kinetic energy
  • Potential energy
  • Power grid
  • Sustainable
  • Flow rate
  • Energy conversion
  • Hydraulic pressure
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