there have been 的用法there be 是有什么什么.have been是完成时.求分析there have been

there has/have been的用法 have been 的用法? There have been done是什么用法? can't have been和must have been每一个的用法 there have been 的用法there be 是有什么什么.have been是完成时.求分析there have been there has been的用法 have been+adj的用法 have ever been 的用法? have been on的用法 请问下过去完成时的用法have you been there?yes ,i have just been there.i had never been there before.请问i have just been there.为什么这句不能用过去完成时而后句又为什么要用过去完成时? There have been great changes in our city since 1978.have been 后加的不是动词过去分词么这个句子的中have been 的用法 have been there 和have been to there有什么区别?用法? 关于英语语法中的现在完成时..谢.有没有“don't have been to”的用法啊?有没有“don't have been to”的用法啊?. I have been there,have been 是have been in还是have been to的缩写? have been的意思及用法. have been there与 have gone there的区别 what changes have there been in your life?there 为什么在那个位置?hat changes have there been in your life?there 为什么在那个位置?有什么用法的吗? have been in have been to have gone to用法have been in和 have been to和 have gone to的用法