Formal English is used in official or professional contexts; informal English is used with friends or in casual settings. The difference shows in word choice, contractions, and tone. Choosing the right register helps you sound appropriate.
Use more formal language in emails to superiors, presentations, or official documents. Use informal language with friends, in chat, or in relaxed meetings. In between there's a neutral register. Rozy can help you practise both and get feedback on tone.
Formal: full forms ('I would like'), fewer contractions, more passive and longer words. Informal: contractions ('I'd like'), shorter words, more direct. Practising both in dialogue builds your range.
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