While it is true 4 hours or time you spend in class is important for learning is not enough, that is the foundation of learning.
It depends on your environment or surroundings if you want to grow more, to encourage that learning.If the environment of your home or your work is not conducive to learning is listening to English music, watch movies, browse videos to help you build your vocabulary and pronunciation.
It is no secret that English words are many, in English courses or lessons, but they teach you many more missing discovered. An important point is the curious as pronounced or a word of Spanish to English or vice versa results.
Curiosity killed the cat but can also kill your doubts!
The famous saying goes: "Asking questions is proof that thought."
You learn something new, our head is like a funky thread within it, the formula for unwinding that is asking questions.
Often the shame blocks that urge to learn, fear of what people say or whether the question is silly or unfunny from learning.
It's really important to ask questions, the smallest doubt can cause the greatest error. The English relies heavily on details, pronunciation, grammar part, a single letter changes everything, ask to make learning more profitable.
The secret of many things in life is trust, power base to reach the goal and achieve your dreams is confinanza self. Know your abilities, your potential, as well as your areas of work to improve more.
You must not forget that you are a valuable and different to other people, to reach the 50% goal is your confidence and will to fight.