(1)一般现在时:The boy plays basketball very well.
(2)一般过去时:The boy played basketball very well when he was 5 years old.
(3)现在进行时:The boy is playing basketball now.
(4)过去进行时:The boy was playing basketball this time yesterday.
(5)现在完成时:The boy has played basketball for an hour.
(6)过去完成时:The boy had played basketball for an hour by lunchtime.
(7)现在完成进行时:The boy has been playing basketball for a long time.
(8)过去完成进行时:The boy had been playing basketball for two hours by 12 o’clock.