The short answer is that you fairly quickly develop an intuitive sense, from hearing (or reading) how other people use that verb. But if you’re looking for a broad rule of thumb to get you going, here it is: If it’s a simple, straightforward verb that doesn’t operate ‘on’ anything and just minds its own […]

via How do I know if a verb in Hebrew is Pa’al type, Piel type or other? — Notes by Autumn Light