要一些can+be+done被动语态的句子

要一些can+be+done被动语态的句子 must have been done是什么被动语态如will be done是一般将来时被动语态,can be done是情态动词被动语态 is done,was done的被动语态是?is being done,was being done,has been done,had been done,will be done的被动语态是? He is one of those people who promise more than can be done.为什么用被动语态（can be done),而不是主动的(can do) 几个英语时态1.Will be doing 是被动语态的进行式吗?2.Will be done / Can be done / to be done 是被动语态的完成式吗.3.I have been living here for 3 years.这是主动还是被动 .但HAVE BEEN DONE 被动呀.因为我写邮件 写出五个被动语态be being done 的句子(及原句和改之后的句子） 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?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 have done还是be done是被动语态, 含有be动词的被动语态怎么变,have been done一定指被动吗 英语被动语态中,be 是作为句中什么成分,done 又是什么成分? 被动语态be done中 be是什么词性?还有现在完成时的被动语态have been done 中have been是什么词性?是助动词系动词还是…… 初三英语--各种时态的被动语态例如--1.一般现在时：be done2.一般将来时：will be done 被动语态 be done 能省略be的情况可以举例子.能说清最好啊~ BE BEING DOING/BE BEING DONE/HAVE BEEN DONE哪个是进行时的被动语态啊求详解 Rome wan't built in a day.这话句怎么看出来是被动高语态的?翻译是,罗马不是一天建成的.哪来的被动语态?我知道是Be done 英语 现在进行时的 被动语态 结构?好像是be+ being done 请问动词不定式被动语态的否定形式是什么?谢谢是not to be done? 主+would+be+done 是过去将来时的被动语态吗