if you mean "i am going to play football" then it's : انا سوف ألعب الكرة
"i am going" is a form of expressing the near future in this sentence
If you mean "i am going to new york tomorrow" so it's: انا ذاهب الي نيويورك غدا
"i am going " here means literally to go to some place.
going : ذاهب