The definition of "categorize" in merriam-webster:
:to put into a category
After the definition let's take a look at some examples (in merriam-webster):
This software lets you categorize your photographs in many different ways.
Their opinions can be categorized as conservative.
Birds are categorized by type in this field guide
I tried to make my own sentence, but I'm confused which prepositions I should use?:
we can categorize them into/in/in to two main categories.
I wondering is there any kind of dictionary that can help us finding proper prepositions?