I played ping-pong quite well, but I haven't had time to play sin_英语解答

I played ping-pong quite well, but I haven't had time to play since the New Year.
haven't 后为什么加had ,play 为什么是原型? 谢谢

人气：338 ℃　时间：2020-04-13 21:14:05

解答

现在完成时标准格式have done,所以had
have time to do sth,不定式用原型play