"What is your purpose to for studying English? " Help me.

What is your purpose to for studying English?

I have 3 main goals to studying English.

+ The First, I study English to communicate with everyone over all over/around the world. Because you know, English is becoming a porpular language on in the world, so it is very good if I can study good English well.

+ The Second, I want to have certificate about for English skill/proficiency, maybe Ielts, toiec, toefl, ect to for scholarship applications or easy cover after [I don't understand this].

+ The Third, I want to watch international entertainment programs internation doesn’t need without Vietsub [it is better to say "Vietnamese subtitles"], especially is shows of with my idol. By the way, my idol is the band Got7 band. They are Korean. Almost all of their show is in English. So I want to study good English well to watch their show.

If you read this part, please help me fix errors about grammar, vocabularies, ect. Thanks so much!