Comments - felowes

I need some answers if somebody can help me. I have a trip fighter human with all the feet that you need convert expertise combat reflexes improved trip power attack leave everything that you need when I do trip from the dial menu I only get one attack at 10th level instead of many for attack of opportunity I get multiple attacks always starting off with a trip and in a free attack when they fall but doing an attack or trip I should say on its own I only get one attack and it's done I cannot attack any other time I can't hit anybody else can anybody help with that issue.