Grammar is the set of patterns that make sentences correct and clear: word order, verb forms, articles, and so on. You don't need to know every rule by name—you need to use grammar correctly when you speak. Practising in conversation with feedback is one of the best ways to improve.
When you speak, you make hundreds of small grammar choices. Getting feedback on real sentences—as with Rozy—helps you fix errors and build good habits. You learn grammar by using it, not only by studying rules.
Priority areas for most learners: verb tenses (present, past, future), articles (a, an, the), and basic word order. Practising these in dialogue with corrections targets what matters most for being understood.
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