since前用have done 还是have been done

have done.have been done .had done.had been done 有什么区别?怎么用?有 being done,have been done ,have done,done MUST have been done must have been done must have done have done and have been done have done、 have been done的区别 have been done和 have done have done和have been must have been done/must be done have been done 和 to be done to have been done 怎么用 to have been done结构怎么用