如果playing sports后面跟be,那be是谓语动词,playing是动名词,是非谓语。动名词短语playing sports是主语,be是谓语。当非谓语动词作主语时,谓语动词要用单数形式。Playing sports is good for our health.
Does your sister May like playing the piano?
你妹妹梅喜欢弹钢琴吗?
很高兴第一时间为您解答,祝学习进步
如有问题请及时追问,谢谢~~O(∩_∩)O
All work and no play makes Jack a dull boy. 只工作而不娱乐会使人变呆的。