Yes it is a present principle , my reason being is because , it can be used like so : i'am becoming , becoming as in present , _____________________________________________________________ here are some examples below : Becoming , entering , and going.
The word becoming is also an adjective , because it describes and gives an effect of attractive appearance ( what your are doing ).
The word becoming is also an Noun because it is any process of change. ( or changing) , so yes.
