Why Learn the language English?

I need to learn English because it's nececessary in my job. in the work is necesary, It's a language very important  language and I like to write, read and I understand.
Take care and greetings to all.

Why do we learn the language English language. 

I need to learn English because in the work it is necessary in work. It is a language very important language. and I like writing and reading and I understand. (sorry but I can't understand what you're trying to say) 

Take care and greetings to all. 

Good luck in improving your English! :)