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

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Iplayedping-pongquitewell,butIhaven''thadtimetoplaysincetheNewYear.haven''t后为什么加had,play为什么是原型?谢谢Iplay

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
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

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
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