怎么掌握现在完成时?

题目

怎么掌握现在完成时?
有三个短语我想搞清楚
就是
have been to
have been in
和have gone to各位前辈可以帮我详细讲一讲他们之间的用法
有三个短语我想搞清楚
就是
have been to
have been in
和have gone to各位前辈可以帮我详细讲一讲他们之间的用法
补充:我想知道现在和过去完成时,

答案

have been to 去过某地 现在不再那
have been in 从过去的某一时刻到现在都在那个地方 去了某地
have gone to 去某个地方 现在还没有回来.