You are still a permanent resident, on that basis you can apply for U.S.Citizenship. If you are not sure about filling form N-400, Application for Naturalization , read the instructions or fill out online application for U.S. Citizenshipu00a0 which is easy & error free.Discalimer :- -u00a0 is a private entity and is not affiliated or approved by any government agency.We are not a law firm and don't prattorney's services. .