Band 4.5 IELTS Writing Task 1 Model Answer

Overall Band Score: 4.5 · IELTS Complete Catalyst · 2026-09-20

IELTS Writing Task 1 question

The diagram below shows the process for making a water clock.

Write a report for a university lecturer describing the information below.

HOW TO BUILD YOUR OWN WATER CLOCK

Student answer (Band 4.5)

In this picture we see that how to make your water colock . There sre several process to buils this a well as there is 5to 7 thing which is need to bulid this

Over all for build this we need two platic bottel one a stand one straw . by the use of this you can build water clock foe your own

First take a stand , then atteck a plastic bottle . One in uper side and other other is botteum .Then cutt down top of one plastic bottle head . For uper add a straw at near cape and also cut a small hole in bottum

Then put this thing under the tap . then turn one a tap ant ver low speed . after some time you will notese that water start dropping to upper to bottoum bottel . when uper bottel start to fill over water stard comaning out by straw . And by this you can make your own water clock

AI examiner evaluation

Task Achievement / Task Response — Band 5.0

The student attempts to describe the process of making a water clock, identifying several key components such as plastic bottles, a stand, a straw, and a tap. However, the description is extremely fragmented, lacks a clear overall summary, and fails to adequately explain the sequential stages depicted in the diagram, such as maintaining a constant level or marking calibration lines. Important details, including the seven numbered stages, are only partially and confusingly referenced. The response falls short of fully addressing all parts of the task, meeting criteria associated with a Band 4.5 to 5.0 level due to under-developed ideas and a lack of a cohesive overview.

Coherence and Cohesion — Band 4.0

The text lacks clear logical organization and progression throughout. Paragraphing is rudimentary, and sentences are disjointed without effective cohesive devices. Phrases like 'In this picture we see that' and 'First take a stand' are simplistic and used mechanically. The relationship between ideas is often unclear, particularly when transitioning between describing materials and explaining the assembly process. Referencing is frequently confusing, such as 'One in uper side and other other is botteum'. This level of organization aligns with Band 4.0 descriptors, as information is not arranged coherently and progression is difficult to follow.

Lexical Resource — Band 4.0

Vocabulary is extremely basic and repetitive, with frequent spelling and word-choice errors that strain the reader. Examples include 'colock' for clock, 'sre' for there, 'platic bottel' for plastic bottle, 'atteck' for attach, 'botteum' for bottom, 'notese' for notice, and 'stard comaning' for start coming. The student attempts some task-specific terminology like 'plastic bottle', 'straw', and 'stand', but the overall lexical range is very limited and prone to interference errors. This performance reflects Band 4.0, where errors consistently strain comprehension.

Grammatical Range and Accuracy — Band 4.0

The grammatical range is severely limited, consisting mainly of simple structures and failed attempts at complex sentences. There are pervasive errors in verb tenses, subject-verb agreement, articles, and prepositions throughout the response, such as 'there is 5to 7 thing which is need' and 'turn one a tap ant ver low speed'. Punctuation and capitalization are also erratic. These frequent errors often distort meaning and cause significant difficulty for the reader, placing the response firmly at Band 4.0.

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