Band 4+: You should spend about 20 minutes on this task. The diagram below shows how fresh water is produced from sea water. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words.

The report provides a basic overview of the water purification process, identifying the main stages. However, it lacks detail and specific information about the equipment and processes involved. To improve, include more precise descriptions of each stage, such as the type of filter used, the method of heating, and the condensation process. Also, use more formal language and avoid simple sentence structures to enhance clarity and sophistication. The report falls short of the required 150 words.

The report presents a basic overview of the process, but the flow of information could be improved. The use of cohesive devices is limited, making the description somewhat disjointed. Paragraphing is present but could be used more effectively to group related ideas. To improve coherence, consider using more varied transition words and phrases to link the stages of the process more smoothly. For example, instead of repeatedly using 'then' and 'next,' try using phrases like 'subsequently,' 'following this,' or 'as a result.' Also, ensure each paragraph focuses on a distinct aspect of the process to enhance clarity.

The vocabulary used is quite basic and repetitive. While the description is understandable, it lacks the range and precision expected for a higher band score. To enhance your lexical resource, try to incorporate more specific and varied vocabulary related to the water purification process. For instance, instead of just saying 'the water becomes hot,' you could use terms like 'heated,' 'evaporated,' or 'distilled.' Similarly, replace 'changes into' with more precise verbs like 'condenses' or 'transforms.' Using a thesaurus to find synonyms for common words can help expand your vocabulary and make your writing more engaging.

The report contains several grammatical errors that affect clarity. There are issues with sentence structure, verb tense consistency, and punctuation. To improve grammatical accuracy, focus on constructing more complex sentences and ensuring subject-verb agreement. Pay attention to the correct use of articles (a, an, the) and prepositions. Review basic grammar rules and proofread carefully to identify and correct errors. Consider using online grammar checkers or seeking feedback from a language tutor to pinpoint areas for improvement.