In formal writing, avoid contractions, emotional language, vague words, and maintain appropriate formality.
Avoid using contractions (such as didn't, couldn't, shouldn't, say did not, could not or should not) when aiming for a formal writing style. Avoid emotional language, vague words, and a variety of sentence structures that can introduce informality into your writing. Maintain a level of formality appropriate to the context, audience, and purpose for your genre, using proper word usage and sentence structure.
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