Why do I want to learn english?

Since I was in the primary school, I did study english. At the beginning, it doesn´t like to me. But the things changed when I was some years old more.
Just now, the english has turned very important for me. It´s a language that likes to me, but also, I think it´s the most important language in the busines world.
If you wants communicate with a businessman in Spain, the most probably is this man only speak spanish. But around the world, even countries nearest of Spain like Portugal, France or Germany, a businessman attends his issues in english also his mother language.
Everybody knows that in Spain there is a financial crysis very important. There is many people unemployed and the job are in a very poors conditions, and is for it because I want to learn english, for try to find a best future for me and my family.
When I´ll get an acceptable level of english, I would like to do business with chinese, russian or australian people for example with some articles from Spain. And....here we are for getting it ;)

I think I understand what you are saying.  If I have the concepts right, here is how I, a native English speaker, would put it:

Ever since I was in primary school, I studied English.  In the beginning, I did not like it. But things changed when I was some years older.

Now, English has become very important to me.  It's a language that I like, but I also think it's the most important language in the business world.  If you want to communicate with a businessman in Spain, most likely this man only speaks Spanish.  But around the world, even in the countries closest to Spain, like Portugal, France or Germany, a businessman works using English as well as his mother language.

Everyone knows that in Spain there is a very important financial crisis.  There are many people unemployed and the jobs have very poor conditions; it is because of this I want to learn English, to try to find the best future for my family and I.

(I don't fully understand the idea of the last few sentences, I'll leave that for someone who does)

Hope this helps!