IELTS Writing Correction Service
Writing Samples
Band 5.5

The diagram below shows how a central heating system in a house works. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The diagram below shows how a central heating system in a house works. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.
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the diagram
illustrated
Wrong verb form
illustrates
show examples
process
Correct article usage
the process
show examples
 of
central
Correct article usage
a central
show examples
 heating system in a house.
overall
Linking Words
,
this
Linking Words
 process
consist
Change the verb form
consists
show examples
 of several
stage
Fix the agreement mistake
stages
show examples
witch strat
Correct your spelling
which start
show examples
by fill
Change preposition
with filling
show examples
Use synonyms
storage
Correct article usage
the storage
show examples
tank
Use synonyms
 with
water
Use synonyms
 and
final
Correct article usage
the final
show examples
 stage is
heat
Wrong verb form
heating
show examples
water
Use synonyms
go
Correct subject-verb agreement
goes
show examples
 through small tubes.
To begin
Linking Words
 with,
water
Use synonyms
 in
Use synonyms
storage
Correct article usage
the storage
show examples
tank
Use synonyms
overflow
Fix the agreement mistake
overflows
show examples
 in the pipe,
then
Linking Words
 it has two
way
Fix the agreement mistake
ways
show examples
, one way run to hot
water
Use synonyms
 to taps and meanwhile go to
Use synonyms
storage
Add an article
a storage
the storage
show examples
tank
Use synonyms
, afterward the
water
Use synonyms
 in
Use synonyms
storage
Correct article usage
the storage
show examples
tank
Use synonyms
boil
Correct subject-verb agreement
boils
show examples
 with gas or oil and
fallowung
Correct your spelling
following
fallowing
this
Linking Words
boilwater
Correct your spelling
boil water
boil-water
 pump to
radiator
Add an article
the radiator
a radiator
show examples
 in house, next cold
water
Use synonyms
 go to small tubes.
This
Linking Words
 cycle continues
while
Linking Words
environment
Add an article
the environment
show examples
 of
house
Add an article
the house
show examples
getting
Wrong verb form
gets
show examples
heat
Wrong verb form
heated
show examples
.

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Sentences: Add more complex sentences.
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Common mistake: Your writing should be 150-250 words.
Vocabulary: Replace the words storage, tank, water with synonyms.
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Vocabulary: Only 3 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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Topic Vocabulary:
  • Central heating system
  • Boiler
  • Radiator
  • Pipes
  • Circulate
  • Heat source
  • Thermostat
  • Convection
  • Combustion
  • Energy-efficient
  • Flow rate
  • Expansion tank
  • Hot water cylinder
  • Insulation
  • Temperature control
  • Pump
  • Valves
  • Heat exchanger
  • Programmable
  • Zoned heating
  • Renewable energy
  • Double glazing
  • Carbon footprint
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