The Trinity is the great I AM. Always was, always is and always will be. The Father, Son and Holy Spirit are ONE/Echad. There is only ONE/Echad Elohim. Yahweh.
I must conclude that unless you have different definitions of words like "always" that you are NOT a Mormon.
Joseph Smith taught that God was once a man and was later exalted to become a God. You don't believe that nonsense, do you?
How's the weather on Kolob?