Try to read english books(story books or textbooks) and note down new words to you and try to find the meaning of that..and if u are basic learner try to know about the grammer....read english news papers every day...whatever comes in your mind try to speak in english either it is right or wrong....slowly you will able to correct your sentences....as a learner i did these all so i am suggesting you...try it if you think this way is helping you then keep on it...all the best...