Intransitive + preposition Vs Transitive + particle

[5jj]

I'm afraid that only a good learners' dictionary will be of help to you here, since there is nothing inherent in the wording of most verb and 'particle' sequences to indicate definitively whether they are phrasal combinations at all, or, if they are, of which type (adverbial transitive, adverbial intransitive or prepositional).
s, most notably 'at' (e.g. 'look at'), 'for' (e.g. 'look for') and 'with' (e.g. 'reckon with').

I agree.

Unfortunately, learners are not helped by the fact that verb+preposition/adverb/particle combinations are treated in different ways by different writers - scroll down to pages 12-13 here.