Everything can be done has been done.请问这里can be done 用的是什么时态?是被动句吗?请求分析这句句子：Everything can be done has been done.请问这里can be done 用的是什么时态?是被动句吗?这里has been done用的

you can do everything everything can be better? Aboy can do everything for Do what i can do everything do everything you can with everything you have i can do everything for my lover yes everything是什么意思 A Boy Can Do Everything For :A boy can do everything for A boy can do everything for A boy can do everything for think you can do everything yourself是什么意思 A boy can do everything for girl! a boy can do everything for girl. If everything can be rearranged什么意思 Told myself do everything must be I will be death.I fell i seing turelie everything.I don't know what can i do now?I will be death.I fell i seing turelie everything.I don't know what can i do now? You always encourage me to do什么 in everything.When I make progress every time,you can be 什么 waste is b__ waste can bring a lot of p__ everything will be better i__we do our best