过去完成时和现在完成时的区别，还有什么是过去将来时？？？？

Question

如题所述

Answer 1

过去完成时表示过去的过去，比如昨天下午三点之前做完的。He had done his homework before three yesterday afternoon.
现在完成时表示已经完成的对现在产生影响的。比如作业已经做完，所以可以去玩了。I have donegal my homework so I can play now.
过去将来时表示过去的将来，比如昨天下午相对于昨天早上是将来。I said at eight thatI would do my homework before three in the afternoon.

Answer 2

过去完成时态表示在过去的过去已经完成或结束的动作，跟现在没有任何关系。
结构式：have/ has done
如：when i got back home last night, my parents had had dinner already.
现在完成时表示过去发生的动作对现在造成的影响或结果，强调现在的状态，不管过去。
构是：had done
如：----Where is your mom？
----She has gone shopping.
----Where did she leave home?
-----Half an hour ago.
过去将来时态，表示在过去看来将要发生的动作。结构式：would do
如：He told me that he would go to the US the next month.本回答被提问者采纳

Answer 3

😪😪