Record yourself

Recording yourself at home is a tool that you should use to improve your English. Sometimes when we are speaking don't be conscious on how we deliver the speech, how we pronounce the words, if the order grammatically speaking is the correct and most important if the people understand what we say. 

Use a recording device to record yourself about a free topic, just star to talk when you finish listen to you and write it down the words or phrases that you mispronounce if you want to make better you can write the word and also with the correct pronunciation and repeat the word a few times until you feel comfortable with that word, once you got it do the same with the other word and try to record yourself once again repeating  the same process until you can do it perfectly. 

Whether you are disagree doing it in this way, you can try recording someone face to face or on a TV and behave towards say the same. Another technique is just read something following the same process.