I'm not sure how native English speakers would use in their everyday life.<br/><br/>Do you ever say (a), (b) and (c)?<br/>(a) What makes you happy?<br/>(b) What is making you happy?<br/>(c) What has made you happy?<br/><br/>If yes, in what situation would each be used? <br/><br/>Thanks in advance.<br/><br/>Hirashin from Kyoto, japan