This guide is designed to help you:
Consider "I need to leave now." expressed as:
Each version above is perfectly correct for its context. Academic English isn't 'more right'. It's just wearing a suit instead of jeans. Your assessment tasks expect the suit!
Avoid being vague: The rabbits were drastically reduced during the drought.
Be precise: The rabbit population was reduced by 76% during the drought.
Avoid using emotive/spoken style word choice: It is a fantastic thing to have.
Use objective language and words: The resource provides significant operational benefits.
Avoid contractions: The results don't show a clear pattern.
Use full versions of words: The results do not show a clear pattern.
Avoid phrasal verbs: used up or run out.
Use formal verbs: depleted or expired.