Thanks for putting your message on the forum following my comment. It is really a question of whether you are talking about phrasal verbs - verbs that go with a preposition (particle)and have a separate meaning and simply using a verb with a preposition.
Let me try to explain. It is possible to use go on as a phrasal verb to mean continue as in: She stopped talking for a moment and then went on,telling us what happened. This means:she stopped talking and then continued with her story. You could also say: As it wasn’t raining, we decided to go on the grass. This means we decided to walk on the grass. In that sentence we are using the verb go with a preposition and it isn’t a phrasal verb. I think this may be the case with the two forms - fill into and fill over - that they are not really phrasal verbs. We need to know in which sentences you have seen them.