In Phrasal verbs^x, Gerunds^x, Grammar^x

>"to take part in" and "to taking part in" "to take" is an infinitive of a phrasal verb "taking" is an ing-form, a gerund, or present participle http://en.wikipedia.org/wiki/Participle A grammar book will tell you more about these terms.

I don't believe so, Seyf. In some subgroups we can discern patterns (as with the remember/regret group we just looked at). Overall, though, I would think it is historical accident in the development of, especially, phrasal verbs and collocations. You have noticed, I am sure, that most grammar...