Ask Pjiang,863211,others:485 pending F1 wants....

I am F1 and EB3 beneficiary. All of us are 485 pending. Not sure can get GC before graduation.
1.I didn\'t apply AP and EAD when filled 485. Am I a AOS status?
2.Can I transfer to another college as F1 right now?
3.Any problems for extension current I20 in same college?
4.If transfer or extension is denied, my 485 will be denied too?
5.If transfer of extension ia denied, can I finish current I20 study?
Thanks all.