用被动语态是will需要被变成would吗

用被动语态是will需要被变成would吗 请问动词变成被动语态,后面需要有介词吗? your early reply would be appreciated是被动语态吗 They will plant more trees nert month变成被动语态 请问一下一般将来时变成被动语态是不是will be done ,如果是的话那个“be”变不变is,am are 将下列主动语态变成被动语态：When will they hold the match? 主+would+be+done 是过去将来时的被动语态吗 过去将来进行时的被动语态是would being done吗 I will make a cake.变成被动语态,A cake will be made by ____? II.改变主动语态变成被动语态 英语句子、、能帮忙变成被动语态吗? 他们需要保护.用英语怎么说,需要用被动语态吗?