I know also my f1 visa is expired and if I start apllying for green card something bad can happen..
If you have a U.S. citizen fiance, that person may submit a form I-129f to CIS to petition for you as her fiance.
this tells you what to do. I dont know what state you live so I cant find links to help
you go to the right places.. each states office is different.
if you live close to vegas, you can go get married in a church or by elvis.. now that
would be something to write home about :)