You can see how English is used in real-life situations. You can also see, hear and practice interesting conversations. Besides, you can learn everyday vocabulary, expressions and pronunciation. Avoid thinking in your mother tongue, translating it then saying it in English. If you want to speak fluently, you will have to "think" in English.
Write sentences and essays which include new interesting vocabulary. This can help you improve you both your speaking and wrting skills. You can also learn English online. In fact, there are many interesting websites that provide lessons, fun activities to learn, flash cards, audio and video lessons, etc...