To remove the conditions on residence, you and your spouse must apply together using Form I751, Petition to Remove the Conditions of Residence. If you are an immediate relative of a US citizen, you can become a lawful permanent resident (get a Green Card) based on your family relationship.The first step in the process of applying for a marriagebased green card is completing Form I130: Petition for Alien Relative. You must file an I-130 form (Petition for Alien Relative) along with two passport-time pictures of the spouse and filled-out Form I-130A for the spouse. If the spouse is illegally in the USA, the application will be denied. Both you and your spouse must prove your identity, citizenship and relationship to each other. After you marry a U.S. citizen, you can apply for a green card. This step establishes the foundational relationship between the U.S. citizen or Green Card holder and the immigrant spouse. Once approved, the next significant step is the submission of Form I-485, Application to Register Permanent Residence or Adjust Status. To become a permanent resident, you need to prove you are still married after 2 years.