(SPOILERS FOR DRAGON BALL A.F (Young jijii) Dragon ball A.F gohan just acts and IS normal canon gohan just that he has a saiyan tail, more transformations and more serious and angrier than canon gohan. HERE IS ALL HIS TRANSFORMATION'S THAT HE GOT IN A.F

SSJ4 Got this form when being exposed to the blutes waves by that blutes waves machine that bulma made in GT.

SSJ5 Got ssj5 when he saw pan die by lord ize in ssj4.

SSJ6 (Yes ssj6 looks like is in young jijii's a.f) Got ssj6 when he saw trunks die by naz. And in this form he is more angrier by a little

Oh and A.F gohan is the main character in young jijii's a.f so if you hate how gohan is treated in canon, read a.f Dragon Ball AF (Young Jijii) (Doujinshi) - MangaDex