전제조건은 영주권소지입니다.
https://www.uscis.gov/policy-manual/volume-12-part-g-chapter-1
The spouse of a U.S. citizen may naturalize through various provisions:
The spouse of a U.S. citizen may naturalize under the general naturalization provisions for applicants who have resided in the United States for at least five years after becoming a lawful permanent resident (LPR). [2]
The spouse of a U.S. citizen may naturalize after residing in the United States for three years after becoming an LPR, rather than five years as generally required. [3]