When you review verb tenses, you will find that the question used for a grammar point is usually a Yes/No question. For example [Present Simple]: Do you exercise? Yes, I do/No, I don't. Now, it is natural to want more information than a yes or a no. That is why we use Wh-questions. These forms of questions gives us information as to people, places, time, ideas, manner, etc.... Here are the Wh-questions: Who When asking who, the question is about a person. "Who do you exercise with? I exercise with my brother, Tim." What When asking what, the question is about an event, thing/object, or idea. "What exercises do you do when you exercise? I mainly do weight lifting." What kind - when asking what kind, the question is about about describing an object, event, or idea. "What kind of food do you eat after you exercise? I eat protein bars." What time - when asking what time, the question is about time. "What time do you finish