Speaking in English is easy to improve, but grammar is the tricky part. Circumstantially, today's media and television give us an ideal environment for learning English. You can hear and see English everywhere. Watch a lot of English movies, listen to English music, and read English books. Exposure is key. Just get yourself used to English. To really get in the zone, think in English. Though your family might think you're weird, speak in English even when you're just inside your house. When you're finally used to speaking in English, you can begin to improve your grammar. As for grammar, read elementary english books. Even do the seatworks and exercises. Read a book on grammar. Often read English books to expand your vocabulary, the classics are much recommended. Always have a dictionary on hand in case you learn a new word.