it‘s been done这句话是什么时态?我个人觉得不是过去式加被动不是应该 it was been done吗?为什么is 是原级?

it‘s been done这句话是什么时态?我个人觉得不是过去式加被动不是应该 it was been done吗?为什么is 是原级? it has been done 谓语it has been done 这句话done作表语还是been done做谓语? Lay back,it's all been done before这是什么意思? that's done That's undoubtedly done it呢that's done That's undoubtedly done it呢done it 这句话语法对吗？done在这里是it的形容词？ It's easier said than done.这句话对吗? It's been my fate to compensat 这句话的准确意思是什么. It's no use regretting what has been done. Lay back it's all been done before .lay It's been so long 这句话有语法错误码? it's been是什么时态, How's you been?It's been two months.这两句话正确吗?been的具体用法是? How's you been?It's been two months.这两句话正确吗?been的具体用法是? it's reported to have done 和it s reported to have been done有什么区别? 19.All that can be done .　　A.have been done B.have done C.has been done D.has done顺便,翻译一下这句话吧 Whatever has been done in the world's history can be done again through the operation of the same laws and forces.请问这句话怎么翻译? it's been six years这句话什么时态 been 的作用与时态 it's been kind of crazy night 这句话有错吗?it's been ...可以这么用嘛 It took a long time for the work to be done.这句话里的to be done 是什么成分?