The best way is to speak english to another person, or to yourself. When you wake up, you softly say: "I woke up this morning and I feel like... Just make sentences and see what words you can't say yet. Look them up. This is the best way.

I agree with talking in your head and with others as much as possible but would also add that you should listen to English as much as possible. You should turn your radio to an English station and watch T.V. programs or movies in English. You may not always understand the words but you will start to become accustomed to how words should sound. It will also help you pick up on the words that are used most frequently.

It's up to you. Nobody but you know what the best way for you is. We only can make an assumption and share our own experience in hope that would be useful for you.

First, you should to find the reason why you need to learn English .Then you ought to make a plan .Last but not least, you must take action.

Practicing more.