In order to write effective written English expression, it is crucial to maintain clarity, conciseness, proper grammar, and an appropriate tone. Clarity ensures that the reader understands the message without confusion, while conciseness prevents unnecessary wordiness. Proper grammar is essential for readability and professionalism, and the tone should be suitable for the intended audience and context.

According to a study by the Modern Language Association (MLA), clear and concise writing is more likely to be read and understood by the audience. The study found that readers tend to prefer writing that is straightforward and easy to follow, as opposed to overly complex or convoluted language. Additionally, the National Council of Teachers of English (NCTE) emphasizes the importance of grammar in written communication, stating that good grammar enhances the effectiveness of written expression by ensuring that the message is conveyed accurately and without ambiguity.

To achieve clarity, it is important to use simple, straightforward language and to avoid jargon or technical terms that may not be understood by the target audience. Conciseness can be achieved by eliminating unnecessary words, using active voice, and structuring sentences effectively. Proper grammar is fundamental to effective writing, as it ensures that the message is conveyed in a way that is easy to understand and free from errors. The tone of the writing should be appropriate for the context and audience, whether it is formal, informal, persuasive, or descriptive.

For example, in a business report, the tone should be professional and objective, while in a personal letter, the tone can be more personal and friendly. By adhering to these principles, writers can create written English expression that is both effective and engaging.