Yep, of course. We do more things.
But language is a big thing in the human intelligence and consciousness.
I don't know, and I would assume that anyone really know. But people without internal monologue I have a feeling that they have it but they are not aware of it. Or maybe they talk so much that all the monologue is external.
I don't know how to tell you this. But your brain does not have words imprinted in it...
The concept of this is, funnily enough, something that is being studied that derived from language. For instance ancient greeks did not distinguish between green and blue, as both colours had the same word.