If you had a ten year green card it will be much easier to renew. However, if you have been out of the US for that long, it is a very difficult thing to do. You need to show you had no intent to give up status even though you were out for more than a year. If your family are USC's, they can repetition for you. In the meantime you may be able to visit the US on a visitor visa.
Answered on Nov 08th, 2011 at 4:27 PM