we have emptied the baskets的被动语态

we have emptied the baskets的被动语态 We have emptied the baskets.变成被动语态. litter baskets have been placed under the trees 这句话是被动语态 求变成 Someone asks you if the litter baskets have been emptied yet we have placed litter-baskets under the threes改成被动句 问下被动语态问题,have been done 是现在完成时的被动语态,那we have done this homew we were sweeping the floor.的被动语态 I have read the book的被动语态 将下列句子改为被动语态.SHALL WE WATER THE FLOWERS?have you posted your We have seen the movie twice.怎么翻译成被动语态 改为被动语态：1.He has worked out the problem.2.We have planted mor We have chosen him to be the host of a charity show.(改为被动语态）