When I was a kid. My mom said "she wanted to keep me as a dentist", because the two sister study end dentist. Now, I'm still not sure if I would like to grow up as anything.
When I was young My mother says "She wanted me to be a dentist," because the two sisters graduated dentists now I'm not sure I want to grow up to be anything.
When I was a child, my mother said, "she wanted me to be a dentist." because the two sister school graduated dentists. Now I'm not sure what you want to be.