My 2004 ford focus won't go reverse when i turn the car on?

The car will go forward but reverse any advise on what it might be?

A faulty gearbox - that much is obvious. Beyond that it will take a trained mechanic to actually work out how to deal with it. In any case, that is a garage job.

Find local shop at ATRA.COM probably will need rebuilt transmission.

I must repeat this so often, please capitalize the proper names of the brands and of the models of cars. Ford. Focus. Carlos. "won't" is not a word. It is a contraction. Please use the proper format: won't. The pronoun, I, Carlos, also must be capitalized. There's pattern of grammatical misconduct. Carlos, why will you not write correctly? The next sentence is a disaster. You just can't just "collect" words, Carlos. You need to write using sentences. Please. Otherwise, it makes no sense. The Ford Focus is a car. Cars are repaired by mechanics. Asking for guesses online is not practical and borderline irresponsible. Besides, are you a mechanic? What is the point? Go find and mechanic. Carlos, practice correct writing.