where have you been to
i have not seen her for a long time.
she has gone to luba
i just have my supper
一般现在时：10
一般将来时：6 12 13
一般过去式：2 7 8 11 14
现在进行时：1 4
过去进行时：3
现在完成时：5 9 15 16
where have you been to
i have not seen her for a long time.
she has gone to luba
i just have my supper
一般现在时：10
一般将来时：6 12 13
一般过去式：2 7 8 11 14
现在进行时：1 4
过去进行时：3
现在完成时：5 9 15 16