Honda accord 92 transmission?

[Alma]

I have a Honda accord 92 4 doors automatic my car does not pass 20 miles and the car sometimes will not get the gear I put it on drive and goes I. Reverse.. In order for the car to get the gears it has to be turned of then on cause it bounce back to one So far 4 people have checked it and they all say different things my transmission computure was replace and the new one burn, the sensors were checked nothing now I am gonna get a whole new transmission but I was told that if my transmission was messed up my car won't move...I want to know or atleast get ideas of what can be I don't know much about cars and I am a girl I take my car to the mechanics any ideas