His bikes have been sold out的被动语态是什么

His bikes have been sold out的被动语态是什么 They have sold out the white sports shoes 被动语态 They have already sold out the computers.(被动语态) will have been sold out 是什么语法 must have been done是什么被动语态 Have been doing 的被动语态是? They have sold out the light green dresses.改为被动语态 The tickets for the game have sold out.这个话里为什么没有体现被动语态 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 have been dead…死要用被动语态吗?死的原形,过去式,过去分词,名词是什么 have/has been done 是现在完成的被动语态 I have been to America three times 的被动语态