has gone to 和 had gone to 有什么不同?现在完成时 和 过去完成时.怎么

has gone to 和 had gone to 有什么不同?现在完成时 和 过去完成时.怎么 He has gone to Beijing和He had gone to Beijing有什么不同? He【 has gone to】谓语 Beijing 现在完成时和过去完成时的have 与 had都是助动词吧 She has gone to school.是现在完成时还是过去完成时?如何把它改为现在完成时和过去完成时? has gone to和had gone to 的区别 has gone 和has gone to has been to 和has gone to 现在完成时have/has gone to,have/has been to,have been in有什么区别 关于has been to和has gone have/has gone to和have/has been to有什么区别? 英语问题：请问. have/has been to 和have/has gone to有什么区别? had gone和have gone有什么区别啊``急