Verb conjugation of "übereinstimmen" in German

I work as an actor in the theater. I have studied English for seven years, French and Spanish for two years. Well, my level of Spanish is too low to have a good conversation, but I understand it.
I had never heard the phrase before. In America, there are also different idioms than here in England. It seems that the Americans say it differently than we do here in the United Kingdom.
I guess the whole idea is about improvement, correct? How are you these days anyway. Since I want to practice a bit, I decided to join here. I'll be happy to start with you. Let us try it.