Are you over the age of 18? Did you enter the US illegally? If you are over the age of 18 and entered illegally, even if you marry a US citizen, you will not be eligible to adjust status to permanent residence within the US. You will need to go back to your home country and consular process there. But depending on how much over the age of 18 you are, you may be barred from reentry to the US for 3 or 10 years unless you can get a waiver on the basis of showing extreme hardship to a US citizen spouse, which is difficult to do in most cases.
Answered on Nov 30th, 2011 at 3:43 PM