What does narimasu mean?

Question:

i know theres a naritai i know what that means but im not so sure about narimasu, please explain it to me

Answer:

-tai means like to want, so naritai's i want to be (which you probably know)
-masu means like "i will" sort of thing. SO narimasu means I will be ______. there should be something that comes before "narimasu". cuz in japan its like action word after the object unlike in english.