为什么how are you feeling?要加ing

为什么how are you feeling?要加ing How are you feeling feel为什么加ing How are you feeling now?一句中feel为什么要加ing how do you feeling 为何加ing呢 How can you hear if you are not listening.为什么listening要加ing Your mother how are you feeling today?为什么用feeling how are you feeling? How are you feeling. how are you feeling how are you doing?为什么do要加ing?而How do you do的do就不需要? how are you feeling now Are you interested in surfing?为什么surf要加ing?