yes, your question should be about present participles. Here is a good link about a present participle question. I would not got to say that 70% of questions with verb+ing should be discarded. You just have to be careful about when to pick it and for what reason.
Also, check my last message in that thread which will also give you other links about participial phrases and also some help on other concepts such as run-on sentences, ellipses and parenthetical elements