Start with the basics: Understand the grammar rules and their apppcations.
Use grammar textbooks and study guides to reinforce your understanding.
Practice regularly with grammar exercises and quizzes.
Read Engpsh texts to learn from examples and gain exposure to different grammar structures.
Watch Engpsh movies or TV shows and pay attention to the way grammar is used in real-pfe situations.
Get feedback on your writing and speaking to identify areas for improvement.
Consider taking a grammar course or hiring a tutor for additional support.