如题所述
能举个例子吗?
你说的应该是疑问句:Is Jim a student? 这里用 is 应为主语是 Jim 第三人称单数Does Jim have a ball? 用 doseAre your parents in good health? 这里主语是 parents 复数,动词相应 areDo they play basketball? 主语是 they, 助动词动词用 do