may be done是什么時(shí)態(tài)

　　What may be done at any time will be done at no time.

　　隨時(shí)可做之事，恰是沒時(shí)間所做之事。

　　The permissions spell out what may be done with a work.

　　權(quán)限詳細(xì)地說(shuō)明了一個(gè)作品可以用來(lái)做什么。

　　It is wonderful how much may be done if we are always doing.

　　如果我們總是做事，有多少事能被做是奇妙的。