hadn't 和 didn't have的区别

hadn't 和 didn't have的区别 hadn't have和didn't have hadn't he和didn't I didn't have any trouble with it和I hadn't any trouble with didn't have to 和don''t have to 区别 didn't finish和have not finish的区别 haven't和 didn't的区别 didn't 和couldn't的区别, i wish i didn't upset u和i wish i hadn't upset u.区别是什么啊? didn't need to do 与needn't have done 的区别和相同点 反义疑问句,后面什么时候用didn't,什么时候用hadn't,有人称区别吗? 为什么是not have done和hadn't done ?