Band 4.5 IELTS Writing Task 1 Model Answer

Overall Band Score: 4.5 · IELTS Complete Catalyst · 2026-09-28

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)

there is a digram to shown as how to you built your own water clock

there is a numerous things to built a wate clock the first one is tap which is droping a water in a tube style plastic bottle and a nuverous of things it will help to make water bottle

one the first hand side water comes in a bottle by the tap and bottle is hanging on a L shape stand and as you can see bottle is fix on a tape and it is plastic bottle on the top of upper side bottle has a strew to help out the water when bottle over flow and the center of bottle it has hole where water pulled out and drop in a level magerment plastic bottle and neck cut off installed in plastic botte

on the other hand this process reapting the whole process that how it is work smoothly

AI examiner evaluation

Task Achievement / Task Response: Band 5.0

The student makes an attempt to describe the process of building a water clock, identifying several key components shown in the diagram, such as the tap, the stand, the overflow straw, and the lower bottle with its cut neck. However, the response fails to clearly and systematically outline the seven numbered stages provided in the visual data. The overview is rudimentary and lacks a clear summary of how the entire apparatus functions together. Important details regarding the calibration process and water flow are missing or muddled. Consequently, the task is only partially addressed, leading to a band score of 5.0.

Coherence and Cohesion: Band 5.0

The text suffers from a lack of proper punctuation and paragraphing, reading largely as a single long, run-on block of text with only two massive, unstructured paragraphs. Cohesive devices are minimal and repetitive (e.g., 'there is', 'and', 'on the first hand side', 'on the other hand'). While there is a basic chronological attempt to move from the top of the apparatus to the bottom, the overall progression is difficult to follow due to poor sentence boundaries and absent cohesive links. Paragraphing is not used appropriately. Therefore, the coherence and cohesion reflect a band score of 4.5, rounded to 5.0.

Lexical Resource: Band 4.0

The vocabulary used is very basic, repetitive, and restricted to everyday terms. There are numerous spelling errors and incorrect word choices throughout the text, such as 'digram' for diagram, 'shown as' for showing, 'built' for build, 'wate' for water, 'nuverous' for numerous, 'droping' for dropping, 'strew' for straw, 'magerment' for measurement, and 'reapting' for repeating. These lexical limitations and frequent spelling mistakes cause strain for the reader and restrict the range to a level that barely covers the task, meriting a band score of 4.0.

Grammatical Range and Accuracy: Band 4.0

The grammatical range is extremely limited, consisting almost entirely of poorly constructed simple sentences linked excessively by coordinating conjunctions like 'and'. There is a complete absence of accurate complex sentence structures. Major grammatical errors are pervasive, including severe subject-verb agreement issues ('there is a numerous things'), tense confusion ('tap which is droping'), and fragmented structures ('and neck cut off installed in plastic botte'). Punctuation is virtually non-existent, with no periods to separate distinct thoughts. This dense cluster of errors severely impedes readability and corresponds to a band score of 4.0.

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