Juliee

Hello Friends, hope all of you are good. I just wanted to ask a question regarding the citizenship by marriage. I read the requirements on USCIS website and says: Have continuous residence in the United States as a lawful permanent resident for at least three years immediately before the date you file your application; my question is, if am I considered a lawful permanent residente since the moment I filed my change of status or since the moment I received my Green Card approval. As you know I came here through the fiancé process, then I got married and apply for my change of status, but I received my green card approval 1 year after. can you help me please?