What is the usual basic-triliteral active participle pattern?

Six Derived Noun Types: Active/Passive Participles, Comparison, Instrument, Place/Time, and Ṣifah Mushabbahah

• مَفْعُولٌ
• فَاعِلٌ
• اِسْتِفْعَالٌ
• مِفْعَلَةٌ